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首页> 外文期刊>Journal of Applied Electrochemistry >Direct electrochemical reduction of indigo: process optimization and scale-up in a flow cell
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Direct electrochemical reduction of indigo: process optimization and scale-up in a flow cell

机译:靛蓝直接电化学还原:工艺优化和流动池放大

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摘要

Reducing agents required in the dyeing process for vat and sulfur dyes cannot be recycled, and lead to problematic waste products. Therefore, modern economical and ecological requirements are not fulfilled. The industrial feasibility of the direct electrochemical reduction of indigo as a novel method has been determined and a preliminary optimization of electrolytic conditions was performed using a laboratory-scale flow-cell system. The role of current density, pH, temperature and the rate of mass transport are discussed. The influence of particle size reduction by the application of ultrasound is critically considered. [References: 15]
机译:还原过程中用于还原还原染料和还原染料的还原剂无法回收利用,并导致产生问题的废品。因此,不能满足现代的经济和生态要求。已确定了直接电化学还原靛蓝作为一种新方法的工业可行性,并使用实验室规模的流通池系统对电解条件进行了初步优化。讨论了电流密度,pH,温度和质量传输速率的作用。至关重要的是考虑到通过超声的应用来减小粒度的影响。 [参考:15]

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