DEVELOPMENT OF Co - B / MAGNESITE CATALYST FOR HYDROGEN GENERATION BY HYDROLYSIS OF SODIUM BOROHYDRIDE

Authors : Seda Erol, Mine Özdemir

Pages : 69-76

View : 13 | Download : 6

Publication Date : 2017-11-23

Article Type : Research Paper

Abstract :800x600 Normal 0 21 false false false TR X-NONE X-NONE MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:`Table Normal`; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-parent:``; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin:0cm; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:`Times New Roman`,serif;} The Co-B supported on magnesite catalyst was developed by impregnation-reduction method. The catalyst was characterized by XRD, SEM, EDS and XRF. The effects of catalyst amount, NaBH 4 concentration and reaction temperature on the hydrogen generation rate were investigated. The hydrogen generation rate was obtained as 29000 mL/ min g Co at 50 ºC. The activation energy of hydrolysis reaction was estimated be 68.56 kJ/mol. The Co-B/magnesite is a promising catalyst for the hydrolysis of sodium borohydride.
Keywords : generation of hydrogen, sodium borohydride hydrolysis, magnesite catalyst