Preparation of Catalase-immobilized and Palladium-impregnated Fibers for Rapid Decomposition of Hydroperoxide in Water

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  • 水中の過酸化水素を高速分解するためのカタラーゼ固定繊維とパラジウム担持繊維の作製
  • スイチュウ ノ カサンカスイソ オ コウソク ブンカイ スル タメ ノ カタラーゼ コテイ センイ ト パラジウムタンジセンイ ノ サクセイ

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Abstract

Catalase or palladium was immobilized to the polymer chain grafted onto a 6-nylon fiber to decompose hydroperoxide(H2O2) in ultrapure water. Catalase was adsorbed to a dimethylamino group of poly-dimethylaminoethylmethacrylate chain, followed by crosslinking with transglutaminase. Palladium complex ions were bound to the anion-exchange group and subsequent reduction with hydrazine. The density of immobilized catalase and impregnated palladium were 2.2×10－4 and 0.54mmol/g, respectively. The catalase-immobilized fiber quantitatively decomposed H2O2 in water up to a space velocity through the fiber‐packed bed of 400h－1. In contrast, almost 100% decomposition of H2O2 in water was attainable using the palladium-impregnated fiber above a space velocity of 3000h－1.

Journal

  • RADIOISOTOPES

    RADIOISOTOPES 64 (8), 501-507, 2015

    Japan Radioisotope Association

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