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首页> 外文期刊>Journal of industrial and engineering chemistry >Consistent room temperature electrochemical reduction of gaseous chlorobenzene to value-added intermediates by electroscrubbing
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Consistent room temperature electrochemical reduction of gaseous chlorobenzene to value-added intermediates by electroscrubbing

机译：一致的室温电化学电化学氯苯的电化学减少通过电卷轴加入增值中间体

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摘要

The dehalogenation of gaseous chlorobenzene (CB) to useful intermediates at ambient temperature is desirable. In this study, gaseous CB was dehalogenated to useful intermediates using an electrochemically generated homogeneous low-valent electron mediator in an electroscrubbing column at ambient temperature. A homogenous electron mediator [Ni(I)(CN)(4)](3) (Ni(I) low-valent) was generated at the cathodic half-cell using a membrane-divided electrolytic cell and quantified by oxidation/reduction potential (ORP) variations with a potentiometric titration. CB removal according to a mediated electrocatalytic reduction (MER) process, was confirmed by the change in electrogenerated Ni(I) from 4.2 mM to 2.8 mM during the degradation of CB. A Fourier transform infrared gas analyzer and chlorine sensor showed that 100% of 15 ppm CB at a 0.2 L min(-1) flow rate had been removed by the MER process with CO2 as the gaseous product. At the same time, the phenoxide anion was found in the resulting solutions, which is a starting material in many pharmaceutical industries. The developed method and possible generation of a homogenous electron mediator on CB dehalogenation to useful intermediates at ambient temperature is a practical technology. (C) 2020 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
机译：期望气态氯苯（Cb）在环境温度下对有用的中间体的脱氢。在该研究中，使用电化学产生的均匀低度电子介体在环境温度下将气态CB脱卤代，以使用电化学产生的均匀低度电子介体使用的中间体。使用膜分开的电解电池在阴极半电池中产生均匀的电子介体[Ni（I）（CN）（4）（4）（4）（Ni（I）低），并通过氧化/降低电位量化（ORP）具有电位滴定的变化。 Cb根据介导的电催化还原（MER）方法去除，通过在CB的降解期间通过4.2mm至2.8mm的电流Ni（I）的变化来确认。傅里叶变换红外气体分析仪和氯传感器显示，通过CO 2作为气态产物，通过MER工艺除去100％的15ppm Cb。同时，在所得溶液中发现苯氧化物阴离子，这是许多制药行业中的起始材料。在环境温度下Cb脱卤对有用的中间体的均匀电子介质的显影方法和可能产生是实用的技术。 （c）2020朝鲜工业与工程化学学会。 elsevier b.v出版。保留所有权利。

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