Effect of Carrier Modification on Reforming to Produce Hydrogen of Ethanol Steam Catalyzed by Ni/La2O2CO3 AITranslate
Abstract AITranslate
Zn and Ca were respectively used to modify and compound La2O2CO3 carrier,and then the catalysts of Ni/La2O2CO3(NL),Ni/La2O2CO3-ZnO(NLZ)and Ni/La2O2CO3-CaO(NLC)were prepared to catalyze reforming of ethanol steam to produce hydrogen.The crystal phase,specific surface area and comprehensive performance of the catalysts were analyzed by XRD,BET and temperature programmed reduction(TPR).The results show that compared with NL,the ethanol conversion rates of NLC and NLZ at 300℃are increased by 24.3%and 20.8%,respectively.NLC has the best low-temperature catalytic activity.The H2 selectivity of NLC and NLZ is higher than that of NL,increased by 15.23%and 14.04%respectively at 600℃.In the range of 400~700℃,the H2 selectivity of NLC is higher than that of NLZ,while the selectivity of CO2,CO and CH4 is lower than that of NLZ.NLC can better inhibit Ni coalescence and deactivation at high temperature,thus improving the efficiency of Ni catalysis for hydrogen production.
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Basic Information:
DOI：
Chinese Library Classification Number:TQ426.65[化学工程]
Citation Information:
Zn and Ca were respectively used to modify and compound La2O2CO3 carrier,and then the catalysts of Ni/La2O2CO3(NL),Ni/La2O2CO3-ZnO(NLZ)and Ni/La2O2CO3-CaO(NLC)were prepared to catalyze reforming of ethanol steam to produce hydrogen.The crystal phase,specific surface area and comprehensive performance of the catalysts were analyzed by XRD,BET and temperature programmed reduction(TPR).The results show that compared with NL,the ethanol conversion rates of NLC and NLZ at 300℃are increased by 24.3%and 20.8%,respectively.NLC has the best low-temperature catalytic activity.The H2 selectivity of NLC and NLZ is higher than that of NL,increased by 15.23%and 14.04%respectively at 600℃.In the range of 400~700℃,the H2 selectivity of NLC is higher than that of NLZ,while the selectivity of CO2,CO and CH4 is lower than that of NLZ.NLC can better inhibit Ni coalescence and deactivation at high temperature,thus improving the efficiency of Ni catalysis for hydrogen production.
quote
| GB/T 7714-2015 | [1] LI Liang-rong, SUN Wu-chen, CHEN Zu-jie, et al. Effect of Carrier Modification on Reforming to Produce Hydrogen of Ethanol Steam Catalyzed by Ni/La2O2CO3[J]. Rare Metals and Cemented Carbides, 2021(4): 50-54. |
| MLA | [1] LI Liang-rong, et al., "Effect of Carrier Modification on Reforming to Produce Hydrogen of Ethanol Steam Catalyzed by Ni/La2O2CO3." Rare Metals and Cemented Carbides, no. 4, 2021, pp. 50-54. |
| APA | [1] LI Liang-rong, SUN Wu-chen, CHEN Zu-jie, & QI Hai-xia. (2021). Effect of Carrier Modification on Reforming to Produce Hydrogen of Ethanol Steam Catalyzed by Ni/La2O2CO3. Rare Metals and Cemented Carbides(4), 50-54. |
| IEEE | [1] LI Liang-rong, SUN Wu-chen, CHEN Zu-jie, and QI Hai-xia, "Effect of Carrier Modification on Reforming to Produce Hydrogen of Ethanol Steam Catalyzed by Ni/La2O2CO3," Rare Metals and Cemented Carbides, no. 4, pp. 50-54, 2021. keywords: {Ni catalyst;LaOCOcarrier;modification and compounding;ethanol steam;hydrogen production;ZnO;CaO} |