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Cleaner production of Niacin using bipolar membranes electrodialysis (BMED)

机译:使用双极膜电渗析(BMED)清洁生产烟酸

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Niacin is an important fine chemical with numerous of applications. To produce Niacin in an environmental friendly manner, bipolar membrane electrodialysis (BMED) was used to convert Niacin sodium salt into Niacin with 0.3 mol/L Na2SO4 as electrode rinse solution with the BP-C-BP cell configuration. The performance of BMED process was evaluated from energy consumption, current efficiency, voltage drop across the stack and product yield. Results indicated that the highest product yield rate is 73% under the optimum conditions. The highest current efficiency is 95.9%, and the energy consumption can be as low as 4.14 kW WIT. (C) 2015 Elsevier B.V. All rights reserved.
机译:烟酸是一种重要的精细化学品,具有许多应用。为了以环保的方式生产烟酸,使用双极膜电渗析(BMED)将烟酸钠盐转化为具有0.3 mol / L Na2SO4的烟酸,作为具有BP-C-BP电池配置的电极冲洗液。根据能量消耗,电流效率,电池组两端的电压降和产品良率评估了BMED工艺的性能。结果表明,在最佳条件下,最高产品收率为73%。最高的电流效率为95.9%,能耗可低至4.14 kW WIT。 (C)2015 Elsevier B.V.保留所有权利。

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