CO oxidation over PdO

Efficient sulfur-tolerant catalysts for purification in sulfur-containing steel sintering flue gas remain a severe challenge. Herein, a series of Fe2O3 modified by WO3-supported PdOσ was fabricated to make progress in this issue. WO3 decoration decreases Pd dispersion but significantly enhances the...
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Autor*in:	Zhang, Jingyi [verfasserIn] Chen, Jinding [verfasserIn] Li, Zonglin [verfasserIn] Weng, Huiling [verfasserIn] Xie, Yu [verfasserIn] Wen, Junjie [verfasserIn] Duan, Wenbiao [verfasserIn] Zhang, Qiulin [verfasserIn] Chen, Jianjun [verfasserIn] Ning, Ping [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2023

Schlagwörter:	CO oxidation Sulfur resistance Surface acidity PdO

Übergeordnetes Werk:	Enthalten in: Fuel - New York, NY [u.a.] : Elsevier, 1970, 350
Übergeordnetes Werk:	volume:350

DOI / URN:	10.1016/j.fuel.2023.128802

Katalog-ID:	ELV010540741

Internformat


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520			\|a Efficient sulfur-tolerant catalysts for purification in sulfur-containing steel sintering flue gas remain a severe challenge. Herein, a series of Fe2O3 modified by WO3-supported PdOσ was fabricated to make progress in this issue. WO3 decoration decreases Pd dispersion but significantly enhances the sulfur resistance of PdOσ/Fe2O3 for CO catalytic oxidation. Typically, at an SO2 concentration as high as 1000 ppm, the optimal PdOσ/Fe0.6W0.4Oy can keep its activity with a CO conversion of 90% even at relatively low temperatures (175 °C) for 20 h, which was superior to most reported catalysts. As evidenced by systematical surface properties and kinetic analysis, this accepted sulfur tolerance was closely related to the enhanced amount of surface acid sites and the formation of a new phase of FeWO4 from the strong interaction of FeOx and WO3, which could suppress SO2 adsorption and decrease the deposition of the undesirable sulfate (S6+). Additionally, PdO2 (4+) appears to be more resistant to sulfur than PdO (2+), probably due to the latter palladium species being more likely to react with sulfur. Also, WO3 modification induced the chemical state of sulfur component changing from S6+ to S4+, thereby preserving PdO2 (4+) catalytic activity species and showing remarkable performance of sulfur tolerance.
650		4	\|a CO oxidation
650		4	\|a Sulfur resistance
650		4	\|a Surface acidity
650		4	\|a PdO
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700	1		\|a Wen, Junjie \|e verfasserin \|4 aut
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700	1		\|a Zhang, Qiulin \|e verfasserin \|0 (orcid)0000-0001-5550-0502 \|4 aut
700	1		\|a Chen, Jianjun \|e verfasserin \|4 aut
700	1		\|a Ning, Ping \|e verfasserin \|4 aut
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912			\|a GBV_ILN_2025
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936	b	k	\|a 58.21 \|j Brennstoffe \|j Kraftstoffe \|j Explosivstoffe \|q VZ
951			\|a AR
952			\|d 350

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publishDate	2023
allfields	10.1016/j.fuel.2023.128802 doi (DE-627)ELV010540741 (ELSEVIER)S0016-2361(23)01415-1 DE-627 ger DE-627 rda eng 660 VZ 58.21 bkl Zhang, Jingyi verfasserin aut CO oxidation over PdO 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Efficient sulfur-tolerant catalysts for purification in sulfur-containing steel sintering flue gas remain a severe challenge. Herein, a series of Fe2O3 modified by WO3-supported PdOσ was fabricated to make progress in this issue. WO3 decoration decreases Pd dispersion but significantly enhances the sulfur resistance of PdOσ/Fe2O3 for CO catalytic oxidation. Typically, at an SO2 concentration as high as 1000 ppm, the optimal PdOσ/Fe0.6W0.4Oy can keep its activity with a CO conversion of 90% even at relatively low temperatures (175 °C) for 20 h, which was superior to most reported catalysts. As evidenced by systematical surface properties and kinetic analysis, this accepted sulfur tolerance was closely related to the enhanced amount of surface acid sites and the formation of a new phase of FeWO4 from the strong interaction of FeOx and WO3, which could suppress SO2 adsorption and decrease the deposition of the undesirable sulfate (S6+). Additionally, PdO2 (4+) appears to be more resistant to sulfur than PdO (2+), probably due to the latter palladium species being more likely to react with sulfur. Also, WO3 modification induced the chemical state of sulfur component changing from S6+ to S4+, thereby preserving PdO2 (4+) catalytic activity species and showing remarkable performance of sulfur tolerance. CO oxidation Sulfur resistance Surface acidity PdO Chen, Jinding verfasserin aut Li, Zonglin verfasserin aut Weng, Huiling verfasserin aut Xie, Yu verfasserin aut Wen, Junjie verfasserin aut Duan, Wenbiao verfasserin aut Zhang, Qiulin verfasserin (orcid)0000-0001-5550-0502 aut Chen, Jianjun verfasserin aut Ning, Ping verfasserin aut Enthalten in Fuel New York, NY [u.a.] : Elsevier, 1970 350 Online-Ressource (DE-627)300898584 (DE-600)1483656-7 (DE-576)09555176X 0016-2361 nnns volume:350 GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_65 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_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 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_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 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_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 58.21 Brennstoffe Kraftstoffe Explosivstoffe VZ AR 350
spelling	10.1016/j.fuel.2023.128802 doi (DE-627)ELV010540741 (ELSEVIER)S0016-2361(23)01415-1 DE-627 ger DE-627 rda eng 660 VZ 58.21 bkl Zhang, Jingyi verfasserin aut CO oxidation over PdO 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Efficient sulfur-tolerant catalysts for purification in sulfur-containing steel sintering flue gas remain a severe challenge. Herein, a series of Fe2O3 modified by WO3-supported PdOσ was fabricated to make progress in this issue. WO3 decoration decreases Pd dispersion but significantly enhances the sulfur resistance of PdOσ/Fe2O3 for CO catalytic oxidation. Typically, at an SO2 concentration as high as 1000 ppm, the optimal PdOσ/Fe0.6W0.4Oy can keep its activity with a CO conversion of 90% even at relatively low temperatures (175 °C) for 20 h, which was superior to most reported catalysts. As evidenced by systematical surface properties and kinetic analysis, this accepted sulfur tolerance was closely related to the enhanced amount of surface acid sites and the formation of a new phase of FeWO4 from the strong interaction of FeOx and WO3, which could suppress SO2 adsorption and decrease the deposition of the undesirable sulfate (S6+). Additionally, PdO2 (4+) appears to be more resistant to sulfur than PdO (2+), probably due to the latter palladium species being more likely to react with sulfur. Also, WO3 modification induced the chemical state of sulfur component changing from S6+ to S4+, thereby preserving PdO2 (4+) catalytic activity species and showing remarkable performance of sulfur tolerance. CO oxidation Sulfur resistance Surface acidity PdO Chen, Jinding verfasserin aut Li, Zonglin verfasserin aut Weng, Huiling verfasserin aut Xie, Yu verfasserin aut Wen, Junjie verfasserin aut Duan, Wenbiao verfasserin aut Zhang, Qiulin verfasserin (orcid)0000-0001-5550-0502 aut Chen, Jianjun verfasserin aut Ning, Ping verfasserin aut Enthalten in Fuel New York, NY [u.a.] : Elsevier, 1970 350 Online-Ressource (DE-627)300898584 (DE-600)1483656-7 (DE-576)09555176X 0016-2361 nnns volume:350 GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_65 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_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 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_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 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_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 58.21 Brennstoffe Kraftstoffe Explosivstoffe VZ AR 350
allfields_unstemmed	10.1016/j.fuel.2023.128802 doi (DE-627)ELV010540741 (ELSEVIER)S0016-2361(23)01415-1 DE-627 ger DE-627 rda eng 660 VZ 58.21 bkl Zhang, Jingyi verfasserin aut CO oxidation over PdO 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Efficient sulfur-tolerant catalysts for purification in sulfur-containing steel sintering flue gas remain a severe challenge. Herein, a series of Fe2O3 modified by WO3-supported PdOσ was fabricated to make progress in this issue. WO3 decoration decreases Pd dispersion but significantly enhances the sulfur resistance of PdOσ/Fe2O3 for CO catalytic oxidation. Typically, at an SO2 concentration as high as 1000 ppm, the optimal PdOσ/Fe0.6W0.4Oy can keep its activity with a CO conversion of 90% even at relatively low temperatures (175 °C) for 20 h, which was superior to most reported catalysts. As evidenced by systematical surface properties and kinetic analysis, this accepted sulfur tolerance was closely related to the enhanced amount of surface acid sites and the formation of a new phase of FeWO4 from the strong interaction of FeOx and WO3, which could suppress SO2 adsorption and decrease the deposition of the undesirable sulfate (S6+). Additionally, PdO2 (4+) appears to be more resistant to sulfur than PdO (2+), probably due to the latter palladium species being more likely to react with sulfur. Also, WO3 modification induced the chemical state of sulfur component changing from S6+ to S4+, thereby preserving PdO2 (4+) catalytic activity species and showing remarkable performance of sulfur tolerance. CO oxidation Sulfur resistance Surface acidity PdO Chen, Jinding verfasserin aut Li, Zonglin verfasserin aut Weng, Huiling verfasserin aut Xie, Yu verfasserin aut Wen, Junjie verfasserin aut Duan, Wenbiao verfasserin aut Zhang, Qiulin verfasserin (orcid)0000-0001-5550-0502 aut Chen, Jianjun verfasserin aut Ning, Ping verfasserin aut Enthalten in Fuel New York, NY [u.a.] : Elsevier, 1970 350 Online-Ressource (DE-627)300898584 (DE-600)1483656-7 (DE-576)09555176X 0016-2361 nnns volume:350 GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_65 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_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 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_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 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_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 58.21 Brennstoffe Kraftstoffe Explosivstoffe VZ AR 350
allfieldsGer	10.1016/j.fuel.2023.128802 doi (DE-627)ELV010540741 (ELSEVIER)S0016-2361(23)01415-1 DE-627 ger DE-627 rda eng 660 VZ 58.21 bkl Zhang, Jingyi verfasserin aut CO oxidation over PdO 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Efficient sulfur-tolerant catalysts for purification in sulfur-containing steel sintering flue gas remain a severe challenge. Herein, a series of Fe2O3 modified by WO3-supported PdOσ was fabricated to make progress in this issue. WO3 decoration decreases Pd dispersion but significantly enhances the sulfur resistance of PdOσ/Fe2O3 for CO catalytic oxidation. Typically, at an SO2 concentration as high as 1000 ppm, the optimal PdOσ/Fe0.6W0.4Oy can keep its activity with a CO conversion of 90% even at relatively low temperatures (175 °C) for 20 h, which was superior to most reported catalysts. As evidenced by systematical surface properties and kinetic analysis, this accepted sulfur tolerance was closely related to the enhanced amount of surface acid sites and the formation of a new phase of FeWO4 from the strong interaction of FeOx and WO3, which could suppress SO2 adsorption and decrease the deposition of the undesirable sulfate (S6+). Additionally, PdO2 (4+) appears to be more resistant to sulfur than PdO (2+), probably due to the latter palladium species being more likely to react with sulfur. Also, WO3 modification induced the chemical state of sulfur component changing from S6+ to S4+, thereby preserving PdO2 (4+) catalytic activity species and showing remarkable performance of sulfur tolerance. CO oxidation Sulfur resistance Surface acidity PdO Chen, Jinding verfasserin aut Li, Zonglin verfasserin aut Weng, Huiling verfasserin aut Xie, Yu verfasserin aut Wen, Junjie verfasserin aut Duan, Wenbiao verfasserin aut Zhang, Qiulin verfasserin (orcid)0000-0001-5550-0502 aut Chen, Jianjun verfasserin aut Ning, Ping verfasserin aut Enthalten in Fuel New York, NY [u.a.] : Elsevier, 1970 350 Online-Ressource (DE-627)300898584 (DE-600)1483656-7 (DE-576)09555176X 0016-2361 nnns volume:350 GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_65 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_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 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_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 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_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 58.21 Brennstoffe Kraftstoffe Explosivstoffe VZ AR 350
allfieldsSound	10.1016/j.fuel.2023.128802 doi (DE-627)ELV010540741 (ELSEVIER)S0016-2361(23)01415-1 DE-627 ger DE-627 rda eng 660 VZ 58.21 bkl Zhang, Jingyi verfasserin aut CO oxidation over PdO 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Efficient sulfur-tolerant catalysts for purification in sulfur-containing steel sintering flue gas remain a severe challenge. Herein, a series of Fe2O3 modified by WO3-supported PdOσ was fabricated to make progress in this issue. WO3 decoration decreases Pd dispersion but significantly enhances the sulfur resistance of PdOσ/Fe2O3 for CO catalytic oxidation. Typically, at an SO2 concentration as high as 1000 ppm, the optimal PdOσ/Fe0.6W0.4Oy can keep its activity with a CO conversion of 90% even at relatively low temperatures (175 °C) for 20 h, which was superior to most reported catalysts. As evidenced by systematical surface properties and kinetic analysis, this accepted sulfur tolerance was closely related to the enhanced amount of surface acid sites and the formation of a new phase of FeWO4 from the strong interaction of FeOx and WO3, which could suppress SO2 adsorption and decrease the deposition of the undesirable sulfate (S6+). Additionally, PdO2 (4+) appears to be more resistant to sulfur than PdO (2+), probably due to the latter palladium species being more likely to react with sulfur. Also, WO3 modification induced the chemical state of sulfur component changing from S6+ to S4+, thereby preserving PdO2 (4+) catalytic activity species and showing remarkable performance of sulfur tolerance. CO oxidation Sulfur resistance Surface acidity PdO Chen, Jinding verfasserin aut Li, Zonglin verfasserin aut Weng, Huiling verfasserin aut Xie, Yu verfasserin aut Wen, Junjie verfasserin aut Duan, Wenbiao verfasserin aut Zhang, Qiulin verfasserin (orcid)0000-0001-5550-0502 aut Chen, Jianjun verfasserin aut Ning, Ping verfasserin aut Enthalten in Fuel New York, NY [u.a.] : Elsevier, 1970 350 Online-Ressource (DE-627)300898584 (DE-600)1483656-7 (DE-576)09555176X 0016-2361 nnns volume:350 GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_65 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_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 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_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 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_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 58.21 Brennstoffe Kraftstoffe Explosivstoffe VZ AR 350
language	English
source	Enthalten in Fuel 350 volume:350
sourceStr	Enthalten in Fuel 350 volume:350
format_phy_str_mv	Article
bklname	Brennstoffe Kraftstoffe Explosivstoffe
institution	findex.gbv.de
topic_facet	CO oxidation Sulfur resistance Surface acidity PdO
dewey-raw	660
isfreeaccess_bool	false
container_title	Fuel
authorswithroles_txt_mv	Zhang, Jingyi @@aut@@ Chen, Jinding @@aut@@ Li, Zonglin @@aut@@ Weng, Huiling @@aut@@ Xie, Yu @@aut@@ Wen, Junjie @@aut@@ Duan, Wenbiao @@aut@@ Zhang, Qiulin @@aut@@ Chen, Jianjun @@aut@@ Ning, Ping @@aut@@
publishDateDaySort_date	2023-01-01T00:00:00Z
hierarchy_top_id	300898584
dewey-sort	3660
id	ELV010540741
language_de	englisch
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author	Zhang, Jingyi
spellingShingle	Zhang, Jingyi ddc 660 bkl 58.21 misc CO oxidation misc Sulfur resistance misc Surface acidity misc PdO CO oxidation over PdO
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topic_title	660 VZ 58.21 bkl CO oxidation over PdO CO oxidation Sulfur resistance Surface acidity PdO
topic	ddc 660 bkl 58.21 misc CO oxidation misc Sulfur resistance misc Surface acidity misc PdO
topic_unstemmed	ddc 660 bkl 58.21 misc CO oxidation misc Sulfur resistance misc Surface acidity misc PdO
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title	CO oxidation over PdO
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title_full	CO oxidation over PdO
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author_browse	Zhang, Jingyi Chen, Jinding Li, Zonglin Weng, Huiling Xie, Yu Wen, Junjie Duan, Wenbiao Zhang, Qiulin Chen, Jianjun Ning, Ping
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title_sort	co oxidation over pdo
title_auth	CO oxidation over PdO
abstract	Efficient sulfur-tolerant catalysts for purification in sulfur-containing steel sintering flue gas remain a severe challenge. Herein, a series of Fe2O3 modified by WO3-supported PdOσ was fabricated to make progress in this issue. WO3 decoration decreases Pd dispersion but significantly enhances the sulfur resistance of PdOσ/Fe2O3 for CO catalytic oxidation. Typically, at an SO2 concentration as high as 1000 ppm, the optimal PdOσ/Fe0.6W0.4Oy can keep its activity with a CO conversion of 90% even at relatively low temperatures (175 °C) for 20 h, which was superior to most reported catalysts. As evidenced by systematical surface properties and kinetic analysis, this accepted sulfur tolerance was closely related to the enhanced amount of surface acid sites and the formation of a new phase of FeWO4 from the strong interaction of FeOx and WO3, which could suppress SO2 adsorption and decrease the deposition of the undesirable sulfate (S6+). Additionally, PdO2 (4+) appears to be more resistant to sulfur than PdO (2+), probably due to the latter palladium species being more likely to react with sulfur. Also, WO3 modification induced the chemical state of sulfur component changing from S6+ to S4+, thereby preserving PdO2 (4+) catalytic activity species and showing remarkable performance of sulfur tolerance.
abstractGer	Efficient sulfur-tolerant catalysts for purification in sulfur-containing steel sintering flue gas remain a severe challenge. Herein, a series of Fe2O3 modified by WO3-supported PdOσ was fabricated to make progress in this issue. WO3 decoration decreases Pd dispersion but significantly enhances the sulfur resistance of PdOσ/Fe2O3 for CO catalytic oxidation. Typically, at an SO2 concentration as high as 1000 ppm, the optimal PdOσ/Fe0.6W0.4Oy can keep its activity with a CO conversion of 90% even at relatively low temperatures (175 °C) for 20 h, which was superior to most reported catalysts. As evidenced by systematical surface properties and kinetic analysis, this accepted sulfur tolerance was closely related to the enhanced amount of surface acid sites and the formation of a new phase of FeWO4 from the strong interaction of FeOx and WO3, which could suppress SO2 adsorption and decrease the deposition of the undesirable sulfate (S6+). Additionally, PdO2 (4+) appears to be more resistant to sulfur than PdO (2+), probably due to the latter palladium species being more likely to react with sulfur. Also, WO3 modification induced the chemical state of sulfur component changing from S6+ to S4+, thereby preserving PdO2 (4+) catalytic activity species and showing remarkable performance of sulfur tolerance.
abstract_unstemmed	Efficient sulfur-tolerant catalysts for purification in sulfur-containing steel sintering flue gas remain a severe challenge. Herein, a series of Fe2O3 modified by WO3-supported PdOσ was fabricated to make progress in this issue. WO3 decoration decreases Pd dispersion but significantly enhances the sulfur resistance of PdOσ/Fe2O3 for CO catalytic oxidation. Typically, at an SO2 concentration as high as 1000 ppm, the optimal PdOσ/Fe0.6W0.4Oy can keep its activity with a CO conversion of 90% even at relatively low temperatures (175 °C) for 20 h, which was superior to most reported catalysts. As evidenced by systematical surface properties and kinetic analysis, this accepted sulfur tolerance was closely related to the enhanced amount of surface acid sites and the formation of a new phase of FeWO4 from the strong interaction of FeOx and WO3, which could suppress SO2 adsorption and decrease the deposition of the undesirable sulfate (S6+). Additionally, PdO2 (4+) appears to be more resistant to sulfur than PdO (2+), probably due to the latter palladium species being more likely to react with sulfur. Also, WO3 modification induced the chemical state of sulfur component changing from S6+ to S4+, thereby preserving PdO2 (4+) catalytic activity species and showing remarkable performance of sulfur tolerance.
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title_short	CO oxidation over PdO
remote_bool	true
author2	Chen, Jinding Li, Zonglin Weng, Huiling Xie, Yu Wen, Junjie Duan, Wenbiao Zhang, Qiulin Chen, Jianjun Ning, Ping
author2Str	Chen, Jinding Li, Zonglin Weng, Huiling Xie, Yu Wen, Junjie Duan, Wenbiao Zhang, Qiulin Chen, Jianjun Ning, Ping
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doi_str	10.1016/j.fuel.2023.128802
up_date	2024-07-06T18:21:10.757Z
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score	7.400014

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