Glycerol steam reforming over hydrothermal synthetic Ni-Ca/attapulgite for green hydrogen generation

查看全文 作　　者：Yishuang [1]Wang;Na [1]Li;Mingqiang [1]Chen;Defang [1]Liang;Chang [2]Li;Quan [2]Liu;Zhonglian [1]Yang;Jun [1]Wang

机构地区：[1]School of Chemical Engineering,Anhui University of Science and Technology,Huainan 232001,China;[2]Analytical and Testing Center,Anhui University of Science and Technology,Huainan 232001,China

出　　处：《Chinese Journal of Chemical Engineering》索引2022年第35卷第8期,共15页

基　　金：the financial assistance from the National Natural Science Foundation of China (51906001 and 51876001);University Natural Science Research Project of Anhui Province (KJ2020ZD31);Key Research and Development Projects of Anhui Province (202004a06020053);Doctoral Fund project of Anhui University of Science and Technology 摘　　要：Glycerol steam reforming(GSR)is one of the promising technologies that can realize renewable hydrogen production and efficient utilization of crude glycerol.To illuminate the functions of Ca content(3%,6%,9%,and 12%,by mass)and preparation method for Ni/ATP catalyst structure and its catalytic behaviors,the Ni-xCa/ATP(x=3%,6%,9%,and 12%,by mass)catalysts are prepared by co-impregnation(ci)and hydrothermal synthesis(hs)method and then tested in GSR.Characterization results of XRD,N_(2) adsorption–desorption,H_(2)-TPR,HRTEM,XPS,and NH_(3)/CO_(2)-TPD demonstrate that the combined effect between appropriate Ca additive(6%,by mass)and hs enhance catalyst reducibility,uniform distribution of Ca additive and nickel species over ATP,and adsorption for CO_(2).This attributes to hs method protects the ATP framework through suppressing the interaction of Ca with ATP and promotes the formation of NiCaOx interface sites.Therefore,Ni-6Ca/ATP-hs exhibits the highest conversion(86.77%)of glycerol to gas product and H_(2) yield(76.17%)and selectivity(58.56%)during GSR.Furthermore,XRD,HRTEM,TGDTG and Raman analyses confirm that Ni-6Ca/ATP-hs also reveals outstanding anti-sintering and coke resistance.In addition,the structural evolution process of Ni/ATP catalyst with Ca introduction and hs method is presented.Considering the high performance,simple preparation process and low cost,the as-prepared catalyst providing new opportunities for utilization of glycerol derived from biodiesel industry. 关键词：Hydrogen production CATALYSIS Renewable energy Steam reforming of glycerol ATTAPULGITE Nickel catalyst

相关文献

参考文献（79）
引证文献（2）
耦合文献（17）

参考文献(79)

引证文献(2)

耦合文献(17)

互联网出版许可证新出网证(渝)字10号全国400电话 - 免长途话费

Glycerol steam reforming over hydrothermal synthetic Ni-Ca/attapulgite for green hydrogen generation

参考文献(79)

引证文献(2)

耦合文献(17)

用户提示