Removal of veterinary antibiotics in swine wastewater using microalgae-based process
Phycoremediation of swine wastewater is an attractive treatment to remove contaminants and simultaneously produce valuable feedstock biomass. However, there is a lack of information about the application of phycoremediation on veterinary antibiotic removal. Thus, this research investigated the degra...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Michelon, William [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2022transfer abstract |
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| Schlagwörter: |
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| Übergeordnetes Werk: |
Enthalten in: Simultaneous monitoring of each component on degradation of blended bioplastic using gas chromatography-mass spectrometry - Cho, Jang Yeon ELSEVIER, 2022, ER : a journal of environmental sciences, San Diego, Calif |
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| Übergeordnetes Werk: |
volume:207 ; year:2022 ; day:1 ; month:05 ; pages:0 |
| Links: |
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| DOI / URN: |
10.1016/j.envres.2021.112192 |
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ELV056643950 |
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| 245 | 1 | 0 | |a Removal of veterinary antibiotics in swine wastewater using microalgae-based process |
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| 520 | |a Phycoremediation of swine wastewater is an attractive treatment to remove contaminants and simultaneously produce valuable feedstock biomass. However, there is a lack of information about the application of phycoremediation on veterinary antibiotic removal. Thus, this research investigated the degradation of tetracycline, oxytetracycline, chlortetracycline and doxycycline in swine wastewater treated with phycoremediation. The tetracyclines degradation kinetics was adjusted to the pseudo-first-order kinetics model, with kinetic constant k 1 in the following: 0.36 > 0.27>0.19 > 0.18 (d−1) for tetracycline, doxycycline, oxytetracycline and chlortetracycline, respectively. The maximum concentration of microalgae biomass (342.4 ± 20.3 mg L−1) was obtained after 11 days of cultivation, when tetracycline was completely removed. Chlortetracycline concentration decreased, generating iso-chlortetracycline and 4-epi-iso-chlortetracycline. Microalgae biomass harvested after antibiotics removal presented a carbohydrate-rich content of 52.7 ± 8.1, 50.1 ± 3.3, 51.4 ± 5.4 and 57.4 ± 10.4 (%) when cultured with tetracycline, oxytetracycline, chlortetracycline and doxycycline, respectively, while the control culture without antibiotics presented a carbohydrate content of 40 ± 6.5%. These results indicate that could be a valuable source for bioenergy conversion. | ||
| 520 | |a Phycoremediation of swine wastewater is an attractive treatment to remove contaminants and simultaneously produce valuable feedstock biomass. However, there is a lack of information about the application of phycoremediation on veterinary antibiotic removal. Thus, this research investigated the degradation of tetracycline, oxytetracycline, chlortetracycline and doxycycline in swine wastewater treated with phycoremediation. The tetracyclines degradation kinetics was adjusted to the pseudo-first-order kinetics model, with kinetic constant k 1 in the following: 0.36 > 0.27>0.19 > 0.18 (d−1) for tetracycline, doxycycline, oxytetracycline and chlortetracycline, respectively. The maximum concentration of microalgae biomass (342.4 ± 20.3 mg L−1) was obtained after 11 days of cultivation, when tetracycline was completely removed. Chlortetracycline concentration decreased, generating iso-chlortetracycline and 4-epi-iso-chlortetracycline. Microalgae biomass harvested after antibiotics removal presented a carbohydrate-rich content of 52.7 ± 8.1, 50.1 ± 3.3, 51.4 ± 5.4 and 57.4 ± 10.4 (%) when cultured with tetracycline, oxytetracycline, chlortetracycline and doxycycline, respectively, while the control culture without antibiotics presented a carbohydrate content of 40 ± 6.5%. These results indicate that could be a valuable source for bioenergy conversion. | ||
| 650 | 7 | |a Drugs |2 Elsevier | |
| 650 | 7 | |a Tetracyclines |2 Elsevier | |
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| 700 | 1 | |a Fongaro, Gislaine |4 oth | |
| 700 | 1 | |a Gressler, Vanessa |4 oth | |
| 700 | 1 | |a Soares, Hugo Moreira |4 oth | |
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10.1016/j.envres.2021.112192 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001826.pica (DE-627)ELV056643950 (ELSEVIER)S0013-9351(21)01493-6 DE-627 ger DE-627 rakwb eng 570 540 VZ 12 ssgn 35.71 bkl Michelon, William verfasserin aut Removal of veterinary antibiotics in swine wastewater using microalgae-based process 2022transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Phycoremediation of swine wastewater is an attractive treatment to remove contaminants and simultaneously produce valuable feedstock biomass. However, there is a lack of information about the application of phycoremediation on veterinary antibiotic removal. Thus, this research investigated the degradation of tetracycline, oxytetracycline, chlortetracycline and doxycycline in swine wastewater treated with phycoremediation. The tetracyclines degradation kinetics was adjusted to the pseudo-first-order kinetics model, with kinetic constant k 1 in the following: 0.36 > 0.27>0.19 > 0.18 (d−1) for tetracycline, doxycycline, oxytetracycline and chlortetracycline, respectively. The maximum concentration of microalgae biomass (342.4 ± 20.3 mg L−1) was obtained after 11 days of cultivation, when tetracycline was completely removed. Chlortetracycline concentration decreased, generating iso-chlortetracycline and 4-epi-iso-chlortetracycline. Microalgae biomass harvested after antibiotics removal presented a carbohydrate-rich content of 52.7 ± 8.1, 50.1 ± 3.3, 51.4 ± 5.4 and 57.4 ± 10.4 (%) when cultured with tetracycline, oxytetracycline, chlortetracycline and doxycycline, respectively, while the control culture without antibiotics presented a carbohydrate content of 40 ± 6.5%. These results indicate that could be a valuable source for bioenergy conversion. Phycoremediation of swine wastewater is an attractive treatment to remove contaminants and simultaneously produce valuable feedstock biomass. However, there is a lack of information about the application of phycoremediation on veterinary antibiotic removal. Thus, this research investigated the degradation of tetracycline, oxytetracycline, chlortetracycline and doxycycline in swine wastewater treated with phycoremediation. The tetracyclines degradation kinetics was adjusted to the pseudo-first-order kinetics model, with kinetic constant k 1 in the following: 0.36 > 0.27>0.19 > 0.18 (d−1) for tetracycline, doxycycline, oxytetracycline and chlortetracycline, respectively. The maximum concentration of microalgae biomass (342.4 ± 20.3 mg L−1) was obtained after 11 days of cultivation, when tetracycline was completely removed. Chlortetracycline concentration decreased, generating iso-chlortetracycline and 4-epi-iso-chlortetracycline. Microalgae biomass harvested after antibiotics removal presented a carbohydrate-rich content of 52.7 ± 8.1, 50.1 ± 3.3, 51.4 ± 5.4 and 57.4 ± 10.4 (%) when cultured with tetracycline, oxytetracycline, chlortetracycline and doxycycline, respectively, while the control culture without antibiotics presented a carbohydrate content of 40 ± 6.5%. These results indicate that could be a valuable source for bioenergy conversion. Drugs Elsevier Tetracyclines Elsevier Microalgae consortium Elsevier Carbohydrate Elsevier Phycoremediation Elsevier Matthiensen, Alexandre oth Viancelli, Aline oth Fongaro, Gislaine oth Gressler, Vanessa oth Soares, Hugo Moreira oth Enthalten in Elsevier Cho, Jang Yeon ELSEVIER Simultaneous monitoring of each component on degradation of blended bioplastic using gas chromatography-mass spectrometry 2022 ER : a journal of environmental sciences San Diego, Calif (DE-627)ELV00840027X volume:207 year:2022 day:1 month:05 pages:0 https://doi.org/10.1016/j.envres.2021.112192 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U 35.71 Biochemische Methoden VZ AR 207 2022 1 0501 0 |
| spelling |
10.1016/j.envres.2021.112192 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001826.pica (DE-627)ELV056643950 (ELSEVIER)S0013-9351(21)01493-6 DE-627 ger DE-627 rakwb eng 570 540 VZ 12 ssgn 35.71 bkl Michelon, William verfasserin aut Removal of veterinary antibiotics in swine wastewater using microalgae-based process 2022transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Phycoremediation of swine wastewater is an attractive treatment to remove contaminants and simultaneously produce valuable feedstock biomass. However, there is a lack of information about the application of phycoremediation on veterinary antibiotic removal. Thus, this research investigated the degradation of tetracycline, oxytetracycline, chlortetracycline and doxycycline in swine wastewater treated with phycoremediation. The tetracyclines degradation kinetics was adjusted to the pseudo-first-order kinetics model, with kinetic constant k 1 in the following: 0.36 > 0.27>0.19 > 0.18 (d−1) for tetracycline, doxycycline, oxytetracycline and chlortetracycline, respectively. The maximum concentration of microalgae biomass (342.4 ± 20.3 mg L−1) was obtained after 11 days of cultivation, when tetracycline was completely removed. Chlortetracycline concentration decreased, generating iso-chlortetracycline and 4-epi-iso-chlortetracycline. Microalgae biomass harvested after antibiotics removal presented a carbohydrate-rich content of 52.7 ± 8.1, 50.1 ± 3.3, 51.4 ± 5.4 and 57.4 ± 10.4 (%) when cultured with tetracycline, oxytetracycline, chlortetracycline and doxycycline, respectively, while the control culture without antibiotics presented a carbohydrate content of 40 ± 6.5%. These results indicate that could be a valuable source for bioenergy conversion. Phycoremediation of swine wastewater is an attractive treatment to remove contaminants and simultaneously produce valuable feedstock biomass. However, there is a lack of information about the application of phycoremediation on veterinary antibiotic removal. Thus, this research investigated the degradation of tetracycline, oxytetracycline, chlortetracycline and doxycycline in swine wastewater treated with phycoremediation. The tetracyclines degradation kinetics was adjusted to the pseudo-first-order kinetics model, with kinetic constant k 1 in the following: 0.36 > 0.27>0.19 > 0.18 (d−1) for tetracycline, doxycycline, oxytetracycline and chlortetracycline, respectively. The maximum concentration of microalgae biomass (342.4 ± 20.3 mg L−1) was obtained after 11 days of cultivation, when tetracycline was completely removed. Chlortetracycline concentration decreased, generating iso-chlortetracycline and 4-epi-iso-chlortetracycline. Microalgae biomass harvested after antibiotics removal presented a carbohydrate-rich content of 52.7 ± 8.1, 50.1 ± 3.3, 51.4 ± 5.4 and 57.4 ± 10.4 (%) when cultured with tetracycline, oxytetracycline, chlortetracycline and doxycycline, respectively, while the control culture without antibiotics presented a carbohydrate content of 40 ± 6.5%. These results indicate that could be a valuable source for bioenergy conversion. Drugs Elsevier Tetracyclines Elsevier Microalgae consortium Elsevier Carbohydrate Elsevier Phycoremediation Elsevier Matthiensen, Alexandre oth Viancelli, Aline oth Fongaro, Gislaine oth Gressler, Vanessa oth Soares, Hugo Moreira oth Enthalten in Elsevier Cho, Jang Yeon ELSEVIER Simultaneous monitoring of each component on degradation of blended bioplastic using gas chromatography-mass spectrometry 2022 ER : a journal of environmental sciences San Diego, Calif (DE-627)ELV00840027X volume:207 year:2022 day:1 month:05 pages:0 https://doi.org/10.1016/j.envres.2021.112192 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U 35.71 Biochemische Methoden VZ AR 207 2022 1 0501 0 |
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10.1016/j.envres.2021.112192 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001826.pica (DE-627)ELV056643950 (ELSEVIER)S0013-9351(21)01493-6 DE-627 ger DE-627 rakwb eng 570 540 VZ 12 ssgn 35.71 bkl Michelon, William verfasserin aut Removal of veterinary antibiotics in swine wastewater using microalgae-based process 2022transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Phycoremediation of swine wastewater is an attractive treatment to remove contaminants and simultaneously produce valuable feedstock biomass. However, there is a lack of information about the application of phycoremediation on veterinary antibiotic removal. Thus, this research investigated the degradation of tetracycline, oxytetracycline, chlortetracycline and doxycycline in swine wastewater treated with phycoremediation. The tetracyclines degradation kinetics was adjusted to the pseudo-first-order kinetics model, with kinetic constant k 1 in the following: 0.36 > 0.27>0.19 > 0.18 (d−1) for tetracycline, doxycycline, oxytetracycline and chlortetracycline, respectively. The maximum concentration of microalgae biomass (342.4 ± 20.3 mg L−1) was obtained after 11 days of cultivation, when tetracycline was completely removed. Chlortetracycline concentration decreased, generating iso-chlortetracycline and 4-epi-iso-chlortetracycline. Microalgae biomass harvested after antibiotics removal presented a carbohydrate-rich content of 52.7 ± 8.1, 50.1 ± 3.3, 51.4 ± 5.4 and 57.4 ± 10.4 (%) when cultured with tetracycline, oxytetracycline, chlortetracycline and doxycycline, respectively, while the control culture without antibiotics presented a carbohydrate content of 40 ± 6.5%. These results indicate that could be a valuable source for bioenergy conversion. Phycoremediation of swine wastewater is an attractive treatment to remove contaminants and simultaneously produce valuable feedstock biomass. However, there is a lack of information about the application of phycoremediation on veterinary antibiotic removal. Thus, this research investigated the degradation of tetracycline, oxytetracycline, chlortetracycline and doxycycline in swine wastewater treated with phycoremediation. The tetracyclines degradation kinetics was adjusted to the pseudo-first-order kinetics model, with kinetic constant k 1 in the following: 0.36 > 0.27>0.19 > 0.18 (d−1) for tetracycline, doxycycline, oxytetracycline and chlortetracycline, respectively. The maximum concentration of microalgae biomass (342.4 ± 20.3 mg L−1) was obtained after 11 days of cultivation, when tetracycline was completely removed. Chlortetracycline concentration decreased, generating iso-chlortetracycline and 4-epi-iso-chlortetracycline. Microalgae biomass harvested after antibiotics removal presented a carbohydrate-rich content of 52.7 ± 8.1, 50.1 ± 3.3, 51.4 ± 5.4 and 57.4 ± 10.4 (%) when cultured with tetracycline, oxytetracycline, chlortetracycline and doxycycline, respectively, while the control culture without antibiotics presented a carbohydrate content of 40 ± 6.5%. These results indicate that could be a valuable source for bioenergy conversion. Drugs Elsevier Tetracyclines Elsevier Microalgae consortium Elsevier Carbohydrate Elsevier Phycoremediation Elsevier Matthiensen, Alexandre oth Viancelli, Aline oth Fongaro, Gislaine oth Gressler, Vanessa oth Soares, Hugo Moreira oth Enthalten in Elsevier Cho, Jang Yeon ELSEVIER Simultaneous monitoring of each component on degradation of blended bioplastic using gas chromatography-mass spectrometry 2022 ER : a journal of environmental sciences San Diego, Calif (DE-627)ELV00840027X volume:207 year:2022 day:1 month:05 pages:0 https://doi.org/10.1016/j.envres.2021.112192 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U 35.71 Biochemische Methoden VZ AR 207 2022 1 0501 0 |
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10.1016/j.envres.2021.112192 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001826.pica (DE-627)ELV056643950 (ELSEVIER)S0013-9351(21)01493-6 DE-627 ger DE-627 rakwb eng 570 540 VZ 12 ssgn 35.71 bkl Michelon, William verfasserin aut Removal of veterinary antibiotics in swine wastewater using microalgae-based process 2022transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Phycoremediation of swine wastewater is an attractive treatment to remove contaminants and simultaneously produce valuable feedstock biomass. However, there is a lack of information about the application of phycoremediation on veterinary antibiotic removal. Thus, this research investigated the degradation of tetracycline, oxytetracycline, chlortetracycline and doxycycline in swine wastewater treated with phycoremediation. The tetracyclines degradation kinetics was adjusted to the pseudo-first-order kinetics model, with kinetic constant k 1 in the following: 0.36 > 0.27>0.19 > 0.18 (d−1) for tetracycline, doxycycline, oxytetracycline and chlortetracycline, respectively. The maximum concentration of microalgae biomass (342.4 ± 20.3 mg L−1) was obtained after 11 days of cultivation, when tetracycline was completely removed. Chlortetracycline concentration decreased, generating iso-chlortetracycline and 4-epi-iso-chlortetracycline. Microalgae biomass harvested after antibiotics removal presented a carbohydrate-rich content of 52.7 ± 8.1, 50.1 ± 3.3, 51.4 ± 5.4 and 57.4 ± 10.4 (%) when cultured with tetracycline, oxytetracycline, chlortetracycline and doxycycline, respectively, while the control culture without antibiotics presented a carbohydrate content of 40 ± 6.5%. These results indicate that could be a valuable source for bioenergy conversion. Phycoremediation of swine wastewater is an attractive treatment to remove contaminants and simultaneously produce valuable feedstock biomass. However, there is a lack of information about the application of phycoremediation on veterinary antibiotic removal. Thus, this research investigated the degradation of tetracycline, oxytetracycline, chlortetracycline and doxycycline in swine wastewater treated with phycoremediation. The tetracyclines degradation kinetics was adjusted to the pseudo-first-order kinetics model, with kinetic constant k 1 in the following: 0.36 > 0.27>0.19 > 0.18 (d−1) for tetracycline, doxycycline, oxytetracycline and chlortetracycline, respectively. The maximum concentration of microalgae biomass (342.4 ± 20.3 mg L−1) was obtained after 11 days of cultivation, when tetracycline was completely removed. Chlortetracycline concentration decreased, generating iso-chlortetracycline and 4-epi-iso-chlortetracycline. Microalgae biomass harvested after antibiotics removal presented a carbohydrate-rich content of 52.7 ± 8.1, 50.1 ± 3.3, 51.4 ± 5.4 and 57.4 ± 10.4 (%) when cultured with tetracycline, oxytetracycline, chlortetracycline and doxycycline, respectively, while the control culture without antibiotics presented a carbohydrate content of 40 ± 6.5%. These results indicate that could be a valuable source for bioenergy conversion. Drugs Elsevier Tetracyclines Elsevier Microalgae consortium Elsevier Carbohydrate Elsevier Phycoremediation Elsevier Matthiensen, Alexandre oth Viancelli, Aline oth Fongaro, Gislaine oth Gressler, Vanessa oth Soares, Hugo Moreira oth Enthalten in Elsevier Cho, Jang Yeon ELSEVIER Simultaneous monitoring of each component on degradation of blended bioplastic using gas chromatography-mass spectrometry 2022 ER : a journal of environmental sciences San Diego, Calif (DE-627)ELV00840027X volume:207 year:2022 day:1 month:05 pages:0 https://doi.org/10.1016/j.envres.2021.112192 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U 35.71 Biochemische Methoden VZ AR 207 2022 1 0501 0 |
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10.1016/j.envres.2021.112192 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001826.pica (DE-627)ELV056643950 (ELSEVIER)S0013-9351(21)01493-6 DE-627 ger DE-627 rakwb eng 570 540 VZ 12 ssgn 35.71 bkl Michelon, William verfasserin aut Removal of veterinary antibiotics in swine wastewater using microalgae-based process 2022transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Phycoremediation of swine wastewater is an attractive treatment to remove contaminants and simultaneously produce valuable feedstock biomass. However, there is a lack of information about the application of phycoremediation on veterinary antibiotic removal. Thus, this research investigated the degradation of tetracycline, oxytetracycline, chlortetracycline and doxycycline in swine wastewater treated with phycoremediation. The tetracyclines degradation kinetics was adjusted to the pseudo-first-order kinetics model, with kinetic constant k 1 in the following: 0.36 > 0.27>0.19 > 0.18 (d−1) for tetracycline, doxycycline, oxytetracycline and chlortetracycline, respectively. The maximum concentration of microalgae biomass (342.4 ± 20.3 mg L−1) was obtained after 11 days of cultivation, when tetracycline was completely removed. Chlortetracycline concentration decreased, generating iso-chlortetracycline and 4-epi-iso-chlortetracycline. Microalgae biomass harvested after antibiotics removal presented a carbohydrate-rich content of 52.7 ± 8.1, 50.1 ± 3.3, 51.4 ± 5.4 and 57.4 ± 10.4 (%) when cultured with tetracycline, oxytetracycline, chlortetracycline and doxycycline, respectively, while the control culture without antibiotics presented a carbohydrate content of 40 ± 6.5%. These results indicate that could be a valuable source for bioenergy conversion. Phycoremediation of swine wastewater is an attractive treatment to remove contaminants and simultaneously produce valuable feedstock biomass. However, there is a lack of information about the application of phycoremediation on veterinary antibiotic removal. Thus, this research investigated the degradation of tetracycline, oxytetracycline, chlortetracycline and doxycycline in swine wastewater treated with phycoremediation. The tetracyclines degradation kinetics was adjusted to the pseudo-first-order kinetics model, with kinetic constant k 1 in the following: 0.36 > 0.27>0.19 > 0.18 (d−1) for tetracycline, doxycycline, oxytetracycline and chlortetracycline, respectively. The maximum concentration of microalgae biomass (342.4 ± 20.3 mg L−1) was obtained after 11 days of cultivation, when tetracycline was completely removed. Chlortetracycline concentration decreased, generating iso-chlortetracycline and 4-epi-iso-chlortetracycline. Microalgae biomass harvested after antibiotics removal presented a carbohydrate-rich content of 52.7 ± 8.1, 50.1 ± 3.3, 51.4 ± 5.4 and 57.4 ± 10.4 (%) when cultured with tetracycline, oxytetracycline, chlortetracycline and doxycycline, respectively, while the control culture without antibiotics presented a carbohydrate content of 40 ± 6.5%. These results indicate that could be a valuable source for bioenergy conversion. Drugs Elsevier Tetracyclines Elsevier Microalgae consortium Elsevier Carbohydrate Elsevier Phycoremediation Elsevier Matthiensen, Alexandre oth Viancelli, Aline oth Fongaro, Gislaine oth Gressler, Vanessa oth Soares, Hugo Moreira oth Enthalten in Elsevier Cho, Jang Yeon ELSEVIER Simultaneous monitoring of each component on degradation of blended bioplastic using gas chromatography-mass spectrometry 2022 ER : a journal of environmental sciences San Diego, Calif (DE-627)ELV00840027X volume:207 year:2022 day:1 month:05 pages:0 https://doi.org/10.1016/j.envres.2021.112192 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U 35.71 Biochemische Methoden VZ AR 207 2022 1 0501 0 |
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Removal of veterinary antibiotics in swine wastewater using microalgae-based process |
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Phycoremediation of swine wastewater is an attractive treatment to remove contaminants and simultaneously produce valuable feedstock biomass. However, there is a lack of information about the application of phycoremediation on veterinary antibiotic removal. Thus, this research investigated the degradation of tetracycline, oxytetracycline, chlortetracycline and doxycycline in swine wastewater treated with phycoremediation. The tetracyclines degradation kinetics was adjusted to the pseudo-first-order kinetics model, with kinetic constant k 1 in the following: 0.36 > 0.27>0.19 > 0.18 (d−1) for tetracycline, doxycycline, oxytetracycline and chlortetracycline, respectively. The maximum concentration of microalgae biomass (342.4 ± 20.3 mg L−1) was obtained after 11 days of cultivation, when tetracycline was completely removed. Chlortetracycline concentration decreased, generating iso-chlortetracycline and 4-epi-iso-chlortetracycline. Microalgae biomass harvested after antibiotics removal presented a carbohydrate-rich content of 52.7 ± 8.1, 50.1 ± 3.3, 51.4 ± 5.4 and 57.4 ± 10.4 (%) when cultured with tetracycline, oxytetracycline, chlortetracycline and doxycycline, respectively, while the control culture without antibiotics presented a carbohydrate content of 40 ± 6.5%. These results indicate that could be a valuable source for bioenergy conversion. |
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Phycoremediation of swine wastewater is an attractive treatment to remove contaminants and simultaneously produce valuable feedstock biomass. However, there is a lack of information about the application of phycoremediation on veterinary antibiotic removal. Thus, this research investigated the degradation of tetracycline, oxytetracycline, chlortetracycline and doxycycline in swine wastewater treated with phycoremediation. The tetracyclines degradation kinetics was adjusted to the pseudo-first-order kinetics model, with kinetic constant k 1 in the following: 0.36 > 0.27>0.19 > 0.18 (d−1) for tetracycline, doxycycline, oxytetracycline and chlortetracycline, respectively. The maximum concentration of microalgae biomass (342.4 ± 20.3 mg L−1) was obtained after 11 days of cultivation, when tetracycline was completely removed. Chlortetracycline concentration decreased, generating iso-chlortetracycline and 4-epi-iso-chlortetracycline. Microalgae biomass harvested after antibiotics removal presented a carbohydrate-rich content of 52.7 ± 8.1, 50.1 ± 3.3, 51.4 ± 5.4 and 57.4 ± 10.4 (%) when cultured with tetracycline, oxytetracycline, chlortetracycline and doxycycline, respectively, while the control culture without antibiotics presented a carbohydrate content of 40 ± 6.5%. These results indicate that could be a valuable source for bioenergy conversion. |
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Phycoremediation of swine wastewater is an attractive treatment to remove contaminants and simultaneously produce valuable feedstock biomass. However, there is a lack of information about the application of phycoremediation on veterinary antibiotic removal. Thus, this research investigated the degradation of tetracycline, oxytetracycline, chlortetracycline and doxycycline in swine wastewater treated with phycoremediation. The tetracyclines degradation kinetics was adjusted to the pseudo-first-order kinetics model, with kinetic constant k 1 in the following: 0.36 > 0.27>0.19 > 0.18 (d−1) for tetracycline, doxycycline, oxytetracycline and chlortetracycline, respectively. The maximum concentration of microalgae biomass (342.4 ± 20.3 mg L−1) was obtained after 11 days of cultivation, when tetracycline was completely removed. Chlortetracycline concentration decreased, generating iso-chlortetracycline and 4-epi-iso-chlortetracycline. Microalgae biomass harvested after antibiotics removal presented a carbohydrate-rich content of 52.7 ± 8.1, 50.1 ± 3.3, 51.4 ± 5.4 and 57.4 ± 10.4 (%) when cultured with tetracycline, oxytetracycline, chlortetracycline and doxycycline, respectively, while the control culture without antibiotics presented a carbohydrate content of 40 ± 6.5%. These results indicate that could be a valuable source for bioenergy conversion. |
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