Various Rate Law Orders Through Hydrolysis of Sodium Borohydride Over Co-M-Zr-B (M= Cr, Mo and W) Nano Catalyst

Int. J. Chemoinformatics Chem. Eng. Pub Date : 2017-07-01 DOI:10.4018/IJCCE.2017070104

M. H. Loghmani

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引用次数: 6

Abstract

ThisarticledescribesaGroup(VI)modifiedCo-Zr-Bamorphousnanoalloyswerepreparedinsitu ultrasound-assistedreductionbysodiumborohydrideinanaqueoussolution.Co-Cr-Zr-B,Co-MoZr-BandCo-W-Zr-BpowderswerecharacterizedbyXRD,FESEM,BETandICPtechniques.No distinctpeakcouldbeobservedinXRDpatternsoftheobtainedcatalystsindicatingthatallsamples possessedamorphousstructure.Indeed,itwasnotseenanymetaloxidephase.Obtainedpowders arehighlyactivecatalystsforhydrogengenerationfromthehydrolysisofsodiumborohydride.The reportedworkalsoincludesthefullexperimentaldetailsforthecollectionofawealthofkinetic datatodeterminetheactivationenergyandeffectsofthecatalystdosage,amountofNaBH4,and temperatureontherateofthecatalytichydrolysisofsodiumborohydride.Ratelawordersofall catalystswerecalculatedfromanArrheniusplotofeachcatalyst. KEyWORdS Amorphous Materials, Hydrogen Generation, Kinetics, Nanostructures, Rate Law

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在Co-M-Zr-B (M= Cr, Mo和W)纳米催化剂上水解硼氢化钠的不同速率规律

ThisarticledescribesaGroup(六)modifiedCo-Zr-Bamorphousnanoalloyswerepreparedinsitu ultrasound-assistedreductionbysodiumborohydrideinanaqueoussolution.Co-Cr-Zr-B、Co-MoZr-BandCo-W-Zr-BpowderswerecharacterizedbyXRD、FESEM、BETandICPtechniques。No distinctpeakcouldbeobservedinXRDpatternsoftheobtainedcatalystsindicatingthatallsamples possessedamorphousstructure.Indeed，itwasnotseenanymetaloxidephase。Obtainedpowders arehighlyactivecatalystsforhydrogengenerationfromthehydrolysisofsodiumborohydride。The reportedworkalsoincludesthefullexperimentaldetailsforthecollectionofawealthofkinetic datatodeterminetheactivationenergyandeffectsofthecatalystdosage，amountofNaBH4，and temperatureontherateofthecatalytichydrolysisofsodiumborohydride。Ratelawordersofall catalystswerecalculatedfromanArrheniusplotofeachcatalyst。关键词:非晶材料，产氢，动力学，纳米结构，速率定律

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Int. J. Chemoinformatics Chem. Eng.

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