RADIOISOTOPES
Online ISSN : 1884-4111
Print ISSN : 0033-8303
ISSN-L : 0033-8303
Article
Preparation of Palladium-impregnated Fiber and Its Characteristics of Dechlorination of 2-chlorophenol
Masaki IwazakiTakayoshi HaraShogo ShimazuKunio FujiwaraTakanobu SugoShigeko Kawai-NomaDaisuke UmenoKyoichi Saito
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JOURNALS OPEN ACCESS

2019 Volume 68 Issue 7 Pages 443-449

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Abstract

To catalytically dechlorinate PCB-related substances, palladium (Pd) was impregnated onto a nylon6 fiber by radiation-induced graft polymerization and subsequent chemical modifications. Palladium anionic species (PdCl42−) were immobilized to dimethylaminoethyl methacrylategrafted fiber, followed by the reduction of palladium anionic species to palladium with hydrazine at temperatures ranging from −3 to 25°C. 2-Chlorophenol was dechlorinated quantitatively to phenol at a reaction time of 2 h with hydrazine as a hydrogen source using Pd-impregnated fiber prepared at a reduction temperature of −3°C.

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© 2019 Japan Radioisotope Association
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