The Preparation of D-glucitol in A Multi-tube Airlift Loop Reactor with Low H/D Ratio

Chemical and biochemical engineering quarterly

J. Wen¹  W. Changlin¹  L. Yanxin¹ 

关键词: D-glucose;    hydrogenation;    D-glucitol;    Multi-tube airlift loop reactor with low H/D ratio;   

DOI  :  

来源: Croatian Society of Chemical Engineers

【 摘 要 】

Abstract The preparation of D-glucitol from D-glucose aqueous solution by hydrogenation over Raney Nickel catalysts was carried out in a 0.06 m3 multi-tube airlift loop reactor (MALR) with low H/D ratio. Five main affecting factors on reaction time and molar yield to D-glucitol including reaction temperature, reaction pressure, pH, hydrogen gas flowrate and content of active hydrogen were investigated and optimized. Under the optimum operating conditions, the average reaction time and molar yield were 65 min and 98.8 %, respectively. In addition, the comparison of efficiency for the preparation of D-glucitol between the MALR with low H/D ratio and stirred tank reactor (STR) under the same operating conditions was conducted.

【 授权许可】

Unknown