Effective TiO2 supported Cu-Complex catalyst in NaBH4 hydrolysis reaction to hydrogen generation

被引:41
|
作者
Kilinc, Dilek [1 ]
Sahin, Omer [2 ]
机构
[1] Siirt Univ, Fac Sci & Letters, Dept Chem, Siirt, Turkey
[2] Siirt Univ, Dept Chem Engn, Fac Engn, Siirt, Turkey
关键词
Cu-complex; Catalyst; Schiff base; Hydrolysis; NaBH4; SODIUM-BOROHYDRIDE; HETEROGENEOUS CATALYST; REUSABLE CATALYST; STORAGE MATERIALS; H-2; PRODUCTION; IONIC LIQUID; LOW-COST; REGENERATION; HYDRIDES; NANOPARTICLES;
D O I
10.1016/j.ijhydene.2018.12.225
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
This paper reports the experimental results on using TiO2 based Cu(II)-Schiff Base complex catalyst for hydrolysis of NaBH4. In the presence of Cu-Schiff Base complex which we reported in advance [1] and with titanium dioxide supports a novel catalyst named TiO2 supported 4-4'-Methylenbis (2,6-diethyl)aniline-3,5-di-tert-buthylsalisylaldimine-Cu complex is prepared, successfully. The synthesized catalyst was characterized by means of X-Ray Diffraction (XRD), Scanning Electron Microscope (SEM), Brunauer-Emmett-Teller Surface Area Analysis (BET) and Fourier Transform Infrared Spectroscopy (FT-IR). The as prepared catalyst was employed to generate hydrogen through hydrolysis reaction of NaBH4. Effects of different parameters (e.g. amount of Cu-Schiff Base complex in all catalyst, percentage of NaBH4, percentage of NaOH, amount of TiO2 supported Cu-Schiff Base complex catalyst and different temperatures) are also investigated. A high apparent activation energy (Ea), 25,196 kJ.mol(-)1 is calculated for hydrolysis of NaBH4 at 20-50 degrees C. Hydrogen generation rate was 14,020 mL H-2/g(cat).min and 22,071 mL H-2/g(cat).min in order of 30 degrees C and 50 degrees C. (C) 2019 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码:18858 / 18865
页数:8
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