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A novel fused iron catalyst for ammonia synthesis promoted with rare earth gangue俞秀金,林炳裕,林建新,王榕,魏可镁摘 要:Rare earth gangue, which mainly consists of mixtures of light rare earths such as lanthana, ceria, neodymium oxide and praseo- dymium oxide, was used as the promoter of fused iron catalysts for ammonia synthesis. The result showed that the activity......
Fe- and Co-doped lanthanum oxides catalysts for ammonia decomposition:Structure and catalytic performances寻燕然,何欣欣,严涵,高自旺,金钊,贾春江Key Laboratory for Colloid and Interface Chemistry,Key Laboratory...(as-prepared→calcination→ammonia decomposition reaction); as for Co-based catalysts, the phase transformation followed a sequence of Co(OH)2→Co3O4→metallic Co. It was revealed that Fe2N and metallic Co......
Effect of rare earth on the performance of Ru/MgAl-LDO catalysts for ammonia synthesisJun Ni,Baoqiang Jing,Jianxin Lin,Bingyu Lin,Ziqi Zhao,Lilong JiangNational Engineering Research Center... elements(Y, La, and Ce)were synthesized by the calcination of Mg-Al layered double hydroxides, and Ru, which were used to prepare ammonia synthesis catalysts. The as-obtained oxides and catalysts were......
Fe- and Co-doped lanthanum oxides catalysts for ammonia decomposition:Structure and catalytic performances寻燕然,何欣欣,严涵,高自旺,金钊,贾春江Key Laboratory for Colloid and Interface Chemistry,Key Laboratory...(as-prepared→calcination→ammonia decomposition reaction); as for Co-based catalysts, the phase transformation followed a sequence of Co(OH)2→Co3O4→metallic Co. It was revealed that Fe2N and metallic Co......
Effect of rare earth on the performance of Ru/MgAl-LDO catalysts for ammonia synthesisJun Ni,Baoqiang Jing,Jianxin Lin,Bingyu Lin,Ziqi Zhao,Lilong JiangNational Engineering Research Center... elements(Y, La, and Ce)were synthesized by the calcination of Mg-Al layered double hydroxides, and Ru, which were used to prepare ammonia synthesis catalysts. The as-obtained oxides and catalysts were......
Trans. Nonferrous Met. Soc. China 24(2014) 1587-1595 Characterization and kinetic study on ammonia leaching of complex copper ore A. A. BABA1, M. K. GHOSH2, S. R. PRADHAN2, D. S. RAO2, A. BARAL2, F... 6 September 2013; accepted 4 November 2013 Abstract: Ammonia leaching kinetics of a complex Cu-ore assaying 8.8% Cu and 36.1% Fe was examined. Mineralogical characterization indicated that the major......
Characteristics of the reduction behavior of zinc ferrite and ammonia leaching after roastingChao Wang,Yu-feng Guo,Shuai Wang,Feng Chen,Yu-jia Tan,Fu-qiang Zheng,Ling-zhi YangSchool of Minerals Processing and Bioengineering, Central South University摘 要:A novel method for recovering zinc from zinc ferrite by reduction roasting–ammonia leaching......
Fabrication of high nitrogen austenitic stainless steels with excellent mechanical and pitting corrosion propertiesHua-bing Li, Zhou-hua Jiang, Yang Cao, and Zu-rui Zhang School of Materials and Metallurgy, Northeastern University, Shenyang 110004, China摘 要:A series of high nitrogen austenitic stainless steels were successfully developed......
Recovery of valuable metals from waste diamond cutters through ammonia–ammonium sulfate leachingPing Xue1,2,Guang-qiang Li1,Yong-xiang Yang1,3,Qin-wei Qin1,Ming-xing Wei21. Key Laboratory for Ferrous... with an ammonia–ammonium sulfate system and air as an oxidant. The effects of experimental parameters on the leaching process were investigated, and the potential–pH(E–pH) diagrams of Cu–NH3–SO42-–H2O and Zn–NH3......
New insights into MnCe(Ba)Ox/TiO2 composite oxide catalyst:Barium additive accelerated ammonia conversionYouchun Pan1,2,3,Qijie Jin1,2,3,Bingxu Lu1,Yan Ding1,Xin Xu1,Yuesong Shen1,2,3,Yanwei Zeng11...-H mechanism.It is interesting that although Ba species weakens the NH3 adsorption,it induces the ammonia conversion to coordination ammonia,which in turn accelerates the catalytic reaction.关键词:......
