在温和的温度和大气压力下催化 2, 4, 4' 三氯联苯的加氢脱氯反应。

IF 2.7 4区环境科学与生态学

Journal of the Air & Waste Management Association Pub Date : 2024-05-16 DOI:10.1080/10962247.2024.2353643

Kevin Johnson, Juan Xu, Alyssa Yerkeson, Mingming Lu

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引用次数: 0

摘要

意义说明多氯联苯（PCBs）在全世界被禁止生产后很长时间内，仍然需要采取补救措施。为响应《斯德哥尔摩公约》，开发低成本方法是非常可取的，尤其是对发展中国家而言。本研究采用催化加氢脱氯（HDC）方法，在低温（约 77 摄氏度）条件下对一种普遍存在的多氯联苯同系物进行了脱氯研究，结果表明，该方法可在 6 小时内实现接近 100% 的脱氯。结果表明，加氢脱氯过程可在温和的温度和大气条件下进行，是解决现实世界中多氯联苯污染问题的潜在办法。

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The catalytic hydro-dechlorination of 2, 4, 4' trichlorobiphenyl at mild temperatures and atmospheric pressure.

IMPLICATION STATEMENT The remediation need for polychlorinated biphenyls (PCBs) still remains long after their production ban around the world. The development of low cost methods is highly desirable, especially for developing countries, in response to the Stockholm Convention. In this study, the dechorination of a ubiquitously present PCB congener was studied using a catalytic hydro-dechlorination (HDC) method in low temperatures up to ~ 77°C and was able to achieve near 100% dechlorination in six hours. Results indicated that the HDC process can be performed under mild temperatures and atmospheric conditions and can be a potential solution to real world PCB contamination issues.

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来源期刊

Journal of the Air & Waste Management Association 环境科学-工程：环境

自引率

3.70%

发文量

审稿时长

6 months

期刊介绍： The Journal of the Air & Waste Management Association (J&AWMA) is one of the oldest continuously published, peer-reviewed, technical environmental journals in the world. First published in 1951 under the name Air Repair, J&AWMA is intended to serve those occupationally involved in air pollution control and waste management through the publication of timely and reliable information.