Effect of pretreatment on microstructure and photocatalytic activity of kaolinite/$ TiO_{2} $ composite
Abstract Kaolinite/$ TiO_{2} $ composites were prepared by using sol-gel method and raw kaolin, pretreated kaolinite and tetrabutyl titanate as the main raw materials. X-ray diffractometer, field-emission scanning electron microscope and infrared spectrometer analysis were carried out to characteriz...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Xu, Hongliang [verfasserIn] Sun, Shiping [verfasserIn] Jiang, Sanying [verfasserIn] Wang, Hailong [verfasserIn] Zhang, Rui [verfasserIn] Liu, Qinfu [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2018 |
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| Schlagwörter: |
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| Übergeordnetes Werk: |
Enthalten in: Journal of sol gel science and technology - Dordrecht [u.a.] : Springer Science + Business Media B.V, 1993, 87(2018), 3 vom: 30. Juli, Seite 676-684 |
|---|---|
| Übergeordnetes Werk: |
volume:87 ; year:2018 ; number:3 ; day:30 ; month:07 ; pages:676-684 |
| Links: |
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| DOI / URN: |
10.1007/s10971-018-4760-5 |
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| Katalog-ID: |
SPR015270165 |
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| 520 | |a Abstract Kaolinite/$ TiO_{2} $ composites were prepared by using sol-gel method and raw kaolin, pretreated kaolinite and tetrabutyl titanate as the main raw materials. X-ray diffractometer, field-emission scanning electron microscope and infrared spectrometer analysis were carried out to characterize the phase composition and microstructure of the samples. The photocatalytic performance of the kaolinite/$ TiO_{2} $ composites were evaluated by degrading the methylene blue (MB) and phenol aqueous solution, respectively. The results show that intercalation and exfoliation reduced the size and thickness of kaolinite particles. Acid treatment improved the distribution and the loading quantity of $ TiO_{2} $ grains. When the kaolinite/$ TiO_{2} $ composites were calcined at 500 °C, the tetragonal structure of anatase particles of 30–100 nm in size were obtained, but the exfoliated kaolinite crystals were damaged. The degradation rate of MB increased gradually with the extension of photocatalytic reaction time and the enhancement of photocatalyst dosage. The adsorption performance of acid-treated kaolinite/$ TiO_{2} $ composite (AKT) was nearly the same as that of raw kaolin/$ TiO_{2} $ composite (RKT), but that of the exfoliated kaolinite/$ TiO_{2} $ composite (EKT) was the most excellent. The photocatalytic performance of AKT and EKT were better than that of RKT, and AKT exhibited the optimum property. Under a certain photocatalyst dosage and photocatalysis time, the absorption rate and the degradation rate decreased gradually with the enhancement of initial concentration of MB. Similar result was also acquired for the degradation of phenol. Both the acid treating and the exfoliating to kaolinite enhanced the photocatalytic performance of the kaolinite/$ TiO_{2} $ composite photocatalysts, but acid treatment may be more helpful to the preparation of high performance kaolinite/$ TiO_{2} $ composite photocatalyst. | ||
| 520 | |a Highlights Natural kaolinite particles were pretreated by acid treating or intercalating-exfoliating.Kaolinite/$ TiO_{2} $ composites were prepared by sol-gel method.Pretreatment of kaolinite improved the photocatalytic performance of kaolinite/$ TiO_{2} $ composite. | ||
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| 700 | 1 | |a Zhang, Rui |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Qinfu |e verfasserin |4 aut | |
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10.1007/s10971-018-4760-5 doi (DE-627)SPR015270165 (SPR)s10971-018-4760-5-e DE-627 ger DE-627 rakwb eng 600 670 ASE 35.18 bkl 51.60 bkl Xu, Hongliang verfasserin aut Effect of pretreatment on microstructure and photocatalytic activity of kaolinite/$ TiO_{2} $ composite 2018 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Kaolinite/$ TiO_{2} $ composites were prepared by using sol-gel method and raw kaolin, pretreated kaolinite and tetrabutyl titanate as the main raw materials. X-ray diffractometer, field-emission scanning electron microscope and infrared spectrometer analysis were carried out to characterize the phase composition and microstructure of the samples. The photocatalytic performance of the kaolinite/$ TiO_{2} $ composites were evaluated by degrading the methylene blue (MB) and phenol aqueous solution, respectively. The results show that intercalation and exfoliation reduced the size and thickness of kaolinite particles. Acid treatment improved the distribution and the loading quantity of $ TiO_{2} $ grains. When the kaolinite/$ TiO_{2} $ composites were calcined at 500 °C, the tetragonal structure of anatase particles of 30–100 nm in size were obtained, but the exfoliated kaolinite crystals were damaged. The degradation rate of MB increased gradually with the extension of photocatalytic reaction time and the enhancement of photocatalyst dosage. The adsorption performance of acid-treated kaolinite/$ TiO_{2} $ composite (AKT) was nearly the same as that of raw kaolin/$ TiO_{2} $ composite (RKT), but that of the exfoliated kaolinite/$ TiO_{2} $ composite (EKT) was the most excellent. The photocatalytic performance of AKT and EKT were better than that of RKT, and AKT exhibited the optimum property. Under a certain photocatalyst dosage and photocatalysis time, the absorption rate and the degradation rate decreased gradually with the enhancement of initial concentration of MB. Similar result was also acquired for the degradation of phenol. Both the acid treating and the exfoliating to kaolinite enhanced the photocatalytic performance of the kaolinite/$ TiO_{2} $ composite photocatalysts, but acid treatment may be more helpful to the preparation of high performance kaolinite/$ TiO_{2} $ composite photocatalyst. Highlights Natural kaolinite particles were pretreated by acid treating or intercalating-exfoliating.Kaolinite/$ TiO_{2} $ composites were prepared by sol-gel method.Pretreatment of kaolinite improved the photocatalytic performance of kaolinite/$ TiO_{2} $ composite. Kaolinite (dpeaa)DE-He213 Pretreatment (dpeaa)DE-He213 Kaolinite/TiO (dpeaa)DE-He213 composite (dpeaa)DE-He213 Photocatalytic activity (dpeaa)DE-He213 Sun, Shiping verfasserin aut Jiang, Sanying verfasserin aut Wang, Hailong verfasserin aut Zhang, Rui verfasserin aut Liu, Qinfu verfasserin aut Enthalten in Journal of sol gel science and technology Dordrecht [u.a.] : Springer Science + Business Media B.V, 1993 87(2018), 3 vom: 30. Juli, Seite 676-684 (DE-627)268757607 (DE-600)1472726-2 1573-4846 nnns volume:87 year:2018 number:3 day:30 month:07 pages:676-684 https://dx.doi.org/10.1007/s10971-018-4760-5 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 35.18 ASE 51.60 ASE AR 87 2018 3 30 07 676-684 |
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10.1007/s10971-018-4760-5 doi (DE-627)SPR015270165 (SPR)s10971-018-4760-5-e DE-627 ger DE-627 rakwb eng 600 670 ASE 35.18 bkl 51.60 bkl Xu, Hongliang verfasserin aut Effect of pretreatment on microstructure and photocatalytic activity of kaolinite/$ TiO_{2} $ composite 2018 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Kaolinite/$ TiO_{2} $ composites were prepared by using sol-gel method and raw kaolin, pretreated kaolinite and tetrabutyl titanate as the main raw materials. X-ray diffractometer, field-emission scanning electron microscope and infrared spectrometer analysis were carried out to characterize the phase composition and microstructure of the samples. The photocatalytic performance of the kaolinite/$ TiO_{2} $ composites were evaluated by degrading the methylene blue (MB) and phenol aqueous solution, respectively. The results show that intercalation and exfoliation reduced the size and thickness of kaolinite particles. Acid treatment improved the distribution and the loading quantity of $ TiO_{2} $ grains. When the kaolinite/$ TiO_{2} $ composites were calcined at 500 °C, the tetragonal structure of anatase particles of 30–100 nm in size were obtained, but the exfoliated kaolinite crystals were damaged. The degradation rate of MB increased gradually with the extension of photocatalytic reaction time and the enhancement of photocatalyst dosage. The adsorption performance of acid-treated kaolinite/$ TiO_{2} $ composite (AKT) was nearly the same as that of raw kaolin/$ TiO_{2} $ composite (RKT), but that of the exfoliated kaolinite/$ TiO_{2} $ composite (EKT) was the most excellent. The photocatalytic performance of AKT and EKT were better than that of RKT, and AKT exhibited the optimum property. Under a certain photocatalyst dosage and photocatalysis time, the absorption rate and the degradation rate decreased gradually with the enhancement of initial concentration of MB. Similar result was also acquired for the degradation of phenol. Both the acid treating and the exfoliating to kaolinite enhanced the photocatalytic performance of the kaolinite/$ TiO_{2} $ composite photocatalysts, but acid treatment may be more helpful to the preparation of high performance kaolinite/$ TiO_{2} $ composite photocatalyst. Highlights Natural kaolinite particles were pretreated by acid treating or intercalating-exfoliating.Kaolinite/$ TiO_{2} $ composites were prepared by sol-gel method.Pretreatment of kaolinite improved the photocatalytic performance of kaolinite/$ TiO_{2} $ composite. Kaolinite (dpeaa)DE-He213 Pretreatment (dpeaa)DE-He213 Kaolinite/TiO (dpeaa)DE-He213 composite (dpeaa)DE-He213 Photocatalytic activity (dpeaa)DE-He213 Sun, Shiping verfasserin aut Jiang, Sanying verfasserin aut Wang, Hailong verfasserin aut Zhang, Rui verfasserin aut Liu, Qinfu verfasserin aut Enthalten in Journal of sol gel science and technology Dordrecht [u.a.] : Springer Science + Business Media B.V, 1993 87(2018), 3 vom: 30. Juli, Seite 676-684 (DE-627)268757607 (DE-600)1472726-2 1573-4846 nnns volume:87 year:2018 number:3 day:30 month:07 pages:676-684 https://dx.doi.org/10.1007/s10971-018-4760-5 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 35.18 ASE 51.60 ASE AR 87 2018 3 30 07 676-684 |
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10.1007/s10971-018-4760-5 doi (DE-627)SPR015270165 (SPR)s10971-018-4760-5-e DE-627 ger DE-627 rakwb eng 600 670 ASE 35.18 bkl 51.60 bkl Xu, Hongliang verfasserin aut Effect of pretreatment on microstructure and photocatalytic activity of kaolinite/$ TiO_{2} $ composite 2018 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Kaolinite/$ TiO_{2} $ composites were prepared by using sol-gel method and raw kaolin, pretreated kaolinite and tetrabutyl titanate as the main raw materials. X-ray diffractometer, field-emission scanning electron microscope and infrared spectrometer analysis were carried out to characterize the phase composition and microstructure of the samples. The photocatalytic performance of the kaolinite/$ TiO_{2} $ composites were evaluated by degrading the methylene blue (MB) and phenol aqueous solution, respectively. The results show that intercalation and exfoliation reduced the size and thickness of kaolinite particles. Acid treatment improved the distribution and the loading quantity of $ TiO_{2} $ grains. When the kaolinite/$ TiO_{2} $ composites were calcined at 500 °C, the tetragonal structure of anatase particles of 30–100 nm in size were obtained, but the exfoliated kaolinite crystals were damaged. The degradation rate of MB increased gradually with the extension of photocatalytic reaction time and the enhancement of photocatalyst dosage. The adsorption performance of acid-treated kaolinite/$ TiO_{2} $ composite (AKT) was nearly the same as that of raw kaolin/$ TiO_{2} $ composite (RKT), but that of the exfoliated kaolinite/$ TiO_{2} $ composite (EKT) was the most excellent. The photocatalytic performance of AKT and EKT were better than that of RKT, and AKT exhibited the optimum property. Under a certain photocatalyst dosage and photocatalysis time, the absorption rate and the degradation rate decreased gradually with the enhancement of initial concentration of MB. Similar result was also acquired for the degradation of phenol. Both the acid treating and the exfoliating to kaolinite enhanced the photocatalytic performance of the kaolinite/$ TiO_{2} $ composite photocatalysts, but acid treatment may be more helpful to the preparation of high performance kaolinite/$ TiO_{2} $ composite photocatalyst. Highlights Natural kaolinite particles were pretreated by acid treating or intercalating-exfoliating.Kaolinite/$ TiO_{2} $ composites were prepared by sol-gel method.Pretreatment of kaolinite improved the photocatalytic performance of kaolinite/$ TiO_{2} $ composite. Kaolinite (dpeaa)DE-He213 Pretreatment (dpeaa)DE-He213 Kaolinite/TiO (dpeaa)DE-He213 composite (dpeaa)DE-He213 Photocatalytic activity (dpeaa)DE-He213 Sun, Shiping verfasserin aut Jiang, Sanying verfasserin aut Wang, Hailong verfasserin aut Zhang, Rui verfasserin aut Liu, Qinfu verfasserin aut Enthalten in Journal of sol gel science and technology Dordrecht [u.a.] : Springer Science + Business Media B.V, 1993 87(2018), 3 vom: 30. Juli, Seite 676-684 (DE-627)268757607 (DE-600)1472726-2 1573-4846 nnns volume:87 year:2018 number:3 day:30 month:07 pages:676-684 https://dx.doi.org/10.1007/s10971-018-4760-5 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 35.18 ASE 51.60 ASE AR 87 2018 3 30 07 676-684 |
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10.1007/s10971-018-4760-5 doi (DE-627)SPR015270165 (SPR)s10971-018-4760-5-e DE-627 ger DE-627 rakwb eng 600 670 ASE 35.18 bkl 51.60 bkl Xu, Hongliang verfasserin aut Effect of pretreatment on microstructure and photocatalytic activity of kaolinite/$ TiO_{2} $ composite 2018 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Kaolinite/$ TiO_{2} $ composites were prepared by using sol-gel method and raw kaolin, pretreated kaolinite and tetrabutyl titanate as the main raw materials. X-ray diffractometer, field-emission scanning electron microscope and infrared spectrometer analysis were carried out to characterize the phase composition and microstructure of the samples. The photocatalytic performance of the kaolinite/$ TiO_{2} $ composites were evaluated by degrading the methylene blue (MB) and phenol aqueous solution, respectively. The results show that intercalation and exfoliation reduced the size and thickness of kaolinite particles. Acid treatment improved the distribution and the loading quantity of $ TiO_{2} $ grains. When the kaolinite/$ TiO_{2} $ composites were calcined at 500 °C, the tetragonal structure of anatase particles of 30–100 nm in size were obtained, but the exfoliated kaolinite crystals were damaged. The degradation rate of MB increased gradually with the extension of photocatalytic reaction time and the enhancement of photocatalyst dosage. The adsorption performance of acid-treated kaolinite/$ TiO_{2} $ composite (AKT) was nearly the same as that of raw kaolin/$ TiO_{2} $ composite (RKT), but that of the exfoliated kaolinite/$ TiO_{2} $ composite (EKT) was the most excellent. The photocatalytic performance of AKT and EKT were better than that of RKT, and AKT exhibited the optimum property. Under a certain photocatalyst dosage and photocatalysis time, the absorption rate and the degradation rate decreased gradually with the enhancement of initial concentration of MB. Similar result was also acquired for the degradation of phenol. Both the acid treating and the exfoliating to kaolinite enhanced the photocatalytic performance of the kaolinite/$ TiO_{2} $ composite photocatalysts, but acid treatment may be more helpful to the preparation of high performance kaolinite/$ TiO_{2} $ composite photocatalyst. Highlights Natural kaolinite particles were pretreated by acid treating or intercalating-exfoliating.Kaolinite/$ TiO_{2} $ composites were prepared by sol-gel method.Pretreatment of kaolinite improved the photocatalytic performance of kaolinite/$ TiO_{2} $ composite. Kaolinite (dpeaa)DE-He213 Pretreatment (dpeaa)DE-He213 Kaolinite/TiO (dpeaa)DE-He213 composite (dpeaa)DE-He213 Photocatalytic activity (dpeaa)DE-He213 Sun, Shiping verfasserin aut Jiang, Sanying verfasserin aut Wang, Hailong verfasserin aut Zhang, Rui verfasserin aut Liu, Qinfu verfasserin aut Enthalten in Journal of sol gel science and technology Dordrecht [u.a.] : Springer Science + Business Media B.V, 1993 87(2018), 3 vom: 30. Juli, Seite 676-684 (DE-627)268757607 (DE-600)1472726-2 1573-4846 nnns volume:87 year:2018 number:3 day:30 month:07 pages:676-684 https://dx.doi.org/10.1007/s10971-018-4760-5 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 35.18 ASE 51.60 ASE AR 87 2018 3 30 07 676-684 |
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10.1007/s10971-018-4760-5 doi (DE-627)SPR015270165 (SPR)s10971-018-4760-5-e DE-627 ger DE-627 rakwb eng 600 670 ASE 35.18 bkl 51.60 bkl Xu, Hongliang verfasserin aut Effect of pretreatment on microstructure and photocatalytic activity of kaolinite/$ TiO_{2} $ composite 2018 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Kaolinite/$ TiO_{2} $ composites were prepared by using sol-gel method and raw kaolin, pretreated kaolinite and tetrabutyl titanate as the main raw materials. X-ray diffractometer, field-emission scanning electron microscope and infrared spectrometer analysis were carried out to characterize the phase composition and microstructure of the samples. The photocatalytic performance of the kaolinite/$ TiO_{2} $ composites were evaluated by degrading the methylene blue (MB) and phenol aqueous solution, respectively. The results show that intercalation and exfoliation reduced the size and thickness of kaolinite particles. Acid treatment improved the distribution and the loading quantity of $ TiO_{2} $ grains. When the kaolinite/$ TiO_{2} $ composites were calcined at 500 °C, the tetragonal structure of anatase particles of 30–100 nm in size were obtained, but the exfoliated kaolinite crystals were damaged. The degradation rate of MB increased gradually with the extension of photocatalytic reaction time and the enhancement of photocatalyst dosage. The adsorption performance of acid-treated kaolinite/$ TiO_{2} $ composite (AKT) was nearly the same as that of raw kaolin/$ TiO_{2} $ composite (RKT), but that of the exfoliated kaolinite/$ TiO_{2} $ composite (EKT) was the most excellent. The photocatalytic performance of AKT and EKT were better than that of RKT, and AKT exhibited the optimum property. Under a certain photocatalyst dosage and photocatalysis time, the absorption rate and the degradation rate decreased gradually with the enhancement of initial concentration of MB. Similar result was also acquired for the degradation of phenol. Both the acid treating and the exfoliating to kaolinite enhanced the photocatalytic performance of the kaolinite/$ TiO_{2} $ composite photocatalysts, but acid treatment may be more helpful to the preparation of high performance kaolinite/$ TiO_{2} $ composite photocatalyst. Highlights Natural kaolinite particles were pretreated by acid treating or intercalating-exfoliating.Kaolinite/$ TiO_{2} $ composites were prepared by sol-gel method.Pretreatment of kaolinite improved the photocatalytic performance of kaolinite/$ TiO_{2} $ composite. Kaolinite (dpeaa)DE-He213 Pretreatment (dpeaa)DE-He213 Kaolinite/TiO (dpeaa)DE-He213 composite (dpeaa)DE-He213 Photocatalytic activity (dpeaa)DE-He213 Sun, Shiping verfasserin aut Jiang, Sanying verfasserin aut Wang, Hailong verfasserin aut Zhang, Rui verfasserin aut Liu, Qinfu verfasserin aut Enthalten in Journal of sol gel science and technology Dordrecht [u.a.] : Springer Science + Business Media B.V, 1993 87(2018), 3 vom: 30. Juli, Seite 676-684 (DE-627)268757607 (DE-600)1472726-2 1573-4846 nnns volume:87 year:2018 number:3 day:30 month:07 pages:676-684 https://dx.doi.org/10.1007/s10971-018-4760-5 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 35.18 ASE 51.60 ASE AR 87 2018 3 30 07 676-684 |
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Enthalten in Journal of sol gel science and technology 87(2018), 3 vom: 30. Juli, Seite 676-684 volume:87 year:2018 number:3 day:30 month:07 pages:676-684 |
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Kaolinite Pretreatment Kaolinite/TiO composite Photocatalytic activity |
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Xu, Hongliang @@aut@@ Sun, Shiping @@aut@@ Jiang, Sanying @@aut@@ Wang, Hailong @@aut@@ Zhang, Rui @@aut@@ Liu, Qinfu @@aut@@ |
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X-ray diffractometer, field-emission scanning electron microscope and infrared spectrometer analysis were carried out to characterize the phase composition and microstructure of the samples. The photocatalytic performance of the kaolinite/$ TiO_{2} $ composites were evaluated by degrading the methylene blue (MB) and phenol aqueous solution, respectively. The results show that intercalation and exfoliation reduced the size and thickness of kaolinite particles. Acid treatment improved the distribution and the loading quantity of $ TiO_{2} $ grains. When the kaolinite/$ TiO_{2} $ composites were calcined at 500 °C, the tetragonal structure of anatase particles of 30–100 nm in size were obtained, but the exfoliated kaolinite crystals were damaged. The degradation rate of MB increased gradually with the extension of photocatalytic reaction time and the enhancement of photocatalyst dosage. The adsorption performance of acid-treated kaolinite/$ TiO_{2} $ composite (AKT) was nearly the same as that of raw kaolin/$ TiO_{2} $ composite (RKT), but that of the exfoliated kaolinite/$ TiO_{2} $ composite (EKT) was the most excellent. The photocatalytic performance of AKT and EKT were better than that of RKT, and AKT exhibited the optimum property. Under a certain photocatalyst dosage and photocatalysis time, the absorption rate and the degradation rate decreased gradually with the enhancement of initial concentration of MB. Similar result was also acquired for the degradation of phenol. Both the acid treating and the exfoliating to kaolinite enhanced the photocatalytic performance of the kaolinite/$ TiO_{2} $ composite photocatalysts, but acid treatment may be more helpful to the preparation of high performance kaolinite/$ TiO_{2} $ composite photocatalyst.</subfield></datafield><datafield tag="520" ind1=" " ind2=" "><subfield code="a">Highlights Natural kaolinite particles were pretreated by acid treating or intercalating-exfoliating.Kaolinite/$ TiO_{2} $ composites were prepared by sol-gel method.Pretreatment of kaolinite improved the photocatalytic performance of kaolinite/$ TiO_{2} $ composite.</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Kaolinite</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Pretreatment</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Kaolinite/TiO</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">composite</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Photocatalytic activity</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Sun, Shiping</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Jiang, Sanying</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Wang, Hailong</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Zhang, Rui</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Liu, Qinfu</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="773" ind1="0" ind2="8"><subfield code="i">Enthalten in</subfield><subfield code="t">Journal of sol gel science and technology</subfield><subfield code="d">Dordrecht [u.a.] : Springer Science + Business Media B.V, 1993</subfield><subfield code="g">87(2018), 3 vom: 30. 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|
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Xu, Hongliang |
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Xu, Hongliang ddc 600 bkl 35.18 bkl 51.60 misc Kaolinite misc Pretreatment misc Kaolinite/TiO misc composite misc Photocatalytic activity Effect of pretreatment on microstructure and photocatalytic activity of kaolinite/$ TiO_{2} $ composite |
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600 670 ASE 35.18 bkl 51.60 bkl Effect of pretreatment on microstructure and photocatalytic activity of kaolinite/$ TiO_{2} $ composite Kaolinite (dpeaa)DE-He213 Pretreatment (dpeaa)DE-He213 Kaolinite/TiO (dpeaa)DE-He213 composite (dpeaa)DE-He213 Photocatalytic activity (dpeaa)DE-He213 |
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ddc 600 bkl 35.18 bkl 51.60 misc Kaolinite misc Pretreatment misc Kaolinite/TiO misc composite misc Photocatalytic activity |
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ddc 600 bkl 35.18 bkl 51.60 misc Kaolinite misc Pretreatment misc Kaolinite/TiO misc composite misc Photocatalytic activity |
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Effect of pretreatment on microstructure and photocatalytic activity of kaolinite/$ TiO_{2} $ composite |
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Effect of pretreatment on microstructure and photocatalytic activity of kaolinite/$ TiO_{2} $ composite |
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effect of pretreatment on microstructure and photocatalytic activity of kaolinite/$ tio_{2} $ composite |
| title_auth |
Effect of pretreatment on microstructure and photocatalytic activity of kaolinite/$ TiO_{2} $ composite |
| abstract |
Abstract Kaolinite/$ TiO_{2} $ composites were prepared by using sol-gel method and raw kaolin, pretreated kaolinite and tetrabutyl titanate as the main raw materials. X-ray diffractometer, field-emission scanning electron microscope and infrared spectrometer analysis were carried out to characterize the phase composition and microstructure of the samples. The photocatalytic performance of the kaolinite/$ TiO_{2} $ composites were evaluated by degrading the methylene blue (MB) and phenol aqueous solution, respectively. The results show that intercalation and exfoliation reduced the size and thickness of kaolinite particles. Acid treatment improved the distribution and the loading quantity of $ TiO_{2} $ grains. When the kaolinite/$ TiO_{2} $ composites were calcined at 500 °C, the tetragonal structure of anatase particles of 30–100 nm in size were obtained, but the exfoliated kaolinite crystals were damaged. The degradation rate of MB increased gradually with the extension of photocatalytic reaction time and the enhancement of photocatalyst dosage. The adsorption performance of acid-treated kaolinite/$ TiO_{2} $ composite (AKT) was nearly the same as that of raw kaolin/$ TiO_{2} $ composite (RKT), but that of the exfoliated kaolinite/$ TiO_{2} $ composite (EKT) was the most excellent. The photocatalytic performance of AKT and EKT were better than that of RKT, and AKT exhibited the optimum property. Under a certain photocatalyst dosage and photocatalysis time, the absorption rate and the degradation rate decreased gradually with the enhancement of initial concentration of MB. Similar result was also acquired for the degradation of phenol. Both the acid treating and the exfoliating to kaolinite enhanced the photocatalytic performance of the kaolinite/$ TiO_{2} $ composite photocatalysts, but acid treatment may be more helpful to the preparation of high performance kaolinite/$ TiO_{2} $ composite photocatalyst. Highlights Natural kaolinite particles were pretreated by acid treating or intercalating-exfoliating.Kaolinite/$ TiO_{2} $ composites were prepared by sol-gel method.Pretreatment of kaolinite improved the photocatalytic performance of kaolinite/$ TiO_{2} $ composite. |
| abstractGer |
Abstract Kaolinite/$ TiO_{2} $ composites were prepared by using sol-gel method and raw kaolin, pretreated kaolinite and tetrabutyl titanate as the main raw materials. X-ray diffractometer, field-emission scanning electron microscope and infrared spectrometer analysis were carried out to characterize the phase composition and microstructure of the samples. The photocatalytic performance of the kaolinite/$ TiO_{2} $ composites were evaluated by degrading the methylene blue (MB) and phenol aqueous solution, respectively. The results show that intercalation and exfoliation reduced the size and thickness of kaolinite particles. Acid treatment improved the distribution and the loading quantity of $ TiO_{2} $ grains. When the kaolinite/$ TiO_{2} $ composites were calcined at 500 °C, the tetragonal structure of anatase particles of 30–100 nm in size were obtained, but the exfoliated kaolinite crystals were damaged. The degradation rate of MB increased gradually with the extension of photocatalytic reaction time and the enhancement of photocatalyst dosage. The adsorption performance of acid-treated kaolinite/$ TiO_{2} $ composite (AKT) was nearly the same as that of raw kaolin/$ TiO_{2} $ composite (RKT), but that of the exfoliated kaolinite/$ TiO_{2} $ composite (EKT) was the most excellent. The photocatalytic performance of AKT and EKT were better than that of RKT, and AKT exhibited the optimum property. Under a certain photocatalyst dosage and photocatalysis time, the absorption rate and the degradation rate decreased gradually with the enhancement of initial concentration of MB. Similar result was also acquired for the degradation of phenol. Both the acid treating and the exfoliating to kaolinite enhanced the photocatalytic performance of the kaolinite/$ TiO_{2} $ composite photocatalysts, but acid treatment may be more helpful to the preparation of high performance kaolinite/$ TiO_{2} $ composite photocatalyst. Highlights Natural kaolinite particles were pretreated by acid treating or intercalating-exfoliating.Kaolinite/$ TiO_{2} $ composites were prepared by sol-gel method.Pretreatment of kaolinite improved the photocatalytic performance of kaolinite/$ TiO_{2} $ composite. |
| abstract_unstemmed |
Abstract Kaolinite/$ TiO_{2} $ composites were prepared by using sol-gel method and raw kaolin, pretreated kaolinite and tetrabutyl titanate as the main raw materials. X-ray diffractometer, field-emission scanning electron microscope and infrared spectrometer analysis were carried out to characterize the phase composition and microstructure of the samples. The photocatalytic performance of the kaolinite/$ TiO_{2} $ composites were evaluated by degrading the methylene blue (MB) and phenol aqueous solution, respectively. The results show that intercalation and exfoliation reduced the size and thickness of kaolinite particles. Acid treatment improved the distribution and the loading quantity of $ TiO_{2} $ grains. When the kaolinite/$ TiO_{2} $ composites were calcined at 500 °C, the tetragonal structure of anatase particles of 30–100 nm in size were obtained, but the exfoliated kaolinite crystals were damaged. The degradation rate of MB increased gradually with the extension of photocatalytic reaction time and the enhancement of photocatalyst dosage. The adsorption performance of acid-treated kaolinite/$ TiO_{2} $ composite (AKT) was nearly the same as that of raw kaolin/$ TiO_{2} $ composite (RKT), but that of the exfoliated kaolinite/$ TiO_{2} $ composite (EKT) was the most excellent. The photocatalytic performance of AKT and EKT were better than that of RKT, and AKT exhibited the optimum property. Under a certain photocatalyst dosage and photocatalysis time, the absorption rate and the degradation rate decreased gradually with the enhancement of initial concentration of MB. Similar result was also acquired for the degradation of phenol. Both the acid treating and the exfoliating to kaolinite enhanced the photocatalytic performance of the kaolinite/$ TiO_{2} $ composite photocatalysts, but acid treatment may be more helpful to the preparation of high performance kaolinite/$ TiO_{2} $ composite photocatalyst. Highlights Natural kaolinite particles were pretreated by acid treating or intercalating-exfoliating.Kaolinite/$ TiO_{2} $ composites were prepared by sol-gel method.Pretreatment of kaolinite improved the photocatalytic performance of kaolinite/$ TiO_{2} $ composite. |
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Effect of pretreatment on microstructure and photocatalytic activity of kaolinite/$ TiO_{2} $ composite |
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| score |
7.400505 |