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Zero-Valent Metallic Treatment System and its Application for Removal and Remediation of Polychlorinated Biphenyls (PCBs)

机译:零价金属处理系统及其在多氯联苯(PCB)去除和修复中的应用

摘要

PCBs are removed from contaminated media using a treatment system including zero-valent metal particles and an organic hydrogen donating solvent. The treatment system may include a weak acid in order to eliminate the need for a coating of catalytic noble metal on the zero-valent metal particles. If catalyzed zero-valent metal particles are used, the treatment system may include an organic hydrogen donating solvent that is a non-water solvent. The treatment system may be provided as a “paste-like” system that is preferably applied to natural media and ex-situ structures to eliminate PCBs.
机译:使用包括零价金属颗粒和有机氢捐赠溶剂的处理系统,从污染的介质中去除PCB。处理系统可以包括弱酸,以便消除在零价金属颗粒上涂覆催化贵金属的需要。如果使用催化的零价金属颗粒,则处理系统可包括有机供氢溶剂,其为非水溶剂。可以将处理系统提供为“糊状”系统,该系统优选应用于自然介质和易位结构以消除PCB。

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