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首页> 外文期刊>Environmental Science & Technology >Electrochemical Hydrodehalogenation of 2,4-Dibromophenolin Paraffin Oil Using a Solid Polymer Electrolyte Reactor
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Electrochemical Hydrodehalogenation of 2,4-Dibromophenolin Paraffin Oil Using a Solid Polymer Electrolyte Reactor

机译：固体聚合物电解质反应器对2,4-二溴苯酚石蜡油的电化学加氢脱卤

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摘要

A new technology for remediation of halogenated organics-oil systems, which can cause serious environmental problems, has been demonstrated using the electrochemical hydrodehalogenation of 2,4-dibromophenol (DBP) in paraffin oil in a solid polymer electrolyte reactor. The reactor has been evaluated in terms of cathode materials and structure and the ratio of the cathode surface area to the solution volume. A cathode of titanium minimesh with a palladium electro catalyst produced by electrode position was particularly effective. Current efficiencies of up to 85% and percentage of DBP removal of up to 62%, space-time yields of up to 7.6 kg DBP m{sup}(-3)h{sup}(-1), and energy consumption as low as 1.6 kW h (kg of DBP){sup}(-1) were achieved. The reactor showed stable operation for periods of up to 170 h. The results demonstrated that electroreduction could be an alternative technology to electrooxidation for the treatment of wastes and toxic halogenated compounds, making the process simpler in comparison to electrooxidation.
机译：在固体聚合物电解质反应器中，使用石蜡油中的2,4-二溴苯酚（DBP）进行电化学加氢脱卤，已证明了一种新的修复卤代有机物-油系统的技术，该技术会引起严重的环境问题。已经根据阴极材料和结构以及阴极表面积与溶液体积的比率对反应器进行了评估。由电极位置产生的具有钯电催化剂的钛微网状阴极特别有效。当前效率高达85％，去除DBP的百分比高达62％，时空产量高达7.6 kg DBP m {sup}（-3）h {sup}（-1），能耗低达到1.6 kWh（kg DBP）{sup}（-1）。反应器在长达170小时的时间内表现出稳定的运行。结果表明，电还原可以作为电氧化的替代技术，用于处理废物和有毒的卤代化合物，与电氧化相比，该工艺更简单。

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