次亚磷酸钠在含钴硼氧化物催化剂上重整制氢

Green and Sustainable Chemistry Pub Date : 2017-01-26 DOI:10.4236/GSC.2017.71007

P. Nikoleishvili, G. Gorelishvili, V. Kveselava, G. Tsurtsumia, N. Nioradze, R. Kurtanidze, D. Dzanashvili

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引用次数: 0

摘要

以次亚磷酸钠(NaH2PO2)碱性溶液为催化剂，催化重整合成了含CoO·B2O3 (CoB2O4)的钴硼氧化物，并通过化学和x射线分析对其进行了鉴定。重整在30°C - 80°C的温度范围内进行。各温度值下的反应速率常数(k30℃= 8.53 × 10?4 s ? 1;k40°C = 1.62 × 10?4 s ? ?;k50°C = 3.06 × 10?3 s ? 1;k60°C = 5.06 × 10?3 s ? 1;k80°C = 1.39 × 10?2 s?1)，计算化学反应速率温度系数(γ = 0.917)和活化能(EA = 49.59 kJ·mol?1)。

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Hydrogen Generation by Reforming of Sodium Hypophosphite on Cobalt-Boron Oxides Containing Catalyst

Cobalt-Boron oxides containing catalyst CoO·B2O3 (CoB2O4) are synthesized for hydrogen generation by catalytic reforming of basic solution of sodium hypophosphite (NaH2PO2) and identified by chemical and X-ray analysis. Reforming is performed in temperature range of 30°C - 80°C. Reaction rate constants at each value of temperature (k30°C = 8.53 × 10?4 s?1; k40°C = 1.62 × 10?4 s??; k50°C = 3.06 × 10?3 s?1; k60°C = 5.06 × 10?3 s?1; k80°C = 1.39 × 10?2 s?1), temperature coefficient of rate of chemical reaction (γ = 0.917) and activation energy (EA = 49.59 kJ·mol?1) are calculated.

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Green and Sustainable Chemistry

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