鉄多孔体製脱臭フィルターのメチルカプタン除去性能と除去機構

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書誌事項

タイトル別名
  • CH3SH Adsorption Properties and Mechanism of Deodorant Filter Made of Iron Hydroxide on Porous Iron Frame.
  • テツ タコウ タイセイ ダッシュウ フィルター ノ メチルメルカプタン ジョキ
公開日
1998
DOI
  • 10.1252/kakoronbunshu.24.413
公開者
公益社団法人 化学工学会

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説明

It is suggested that methyl mercaptan is decomposed to methyl sulfide and hydrogen by reaction with the α-iron hydroxide, and then the methyl sulfide combines with sulfur crystal and the hydrogen changes into water by the chemical reaction with theα-iron hydroxide. A deodorant filter was made by treating porous metallic iron with an aqueous solution of L-ascorbic acid, iron (II) sulfate and calcium hydroxide aqueous solution to deposit the iron ascorbate and thea-iron hydroxide on it. Then the deodorant filter was exposed to the hydrogen sulfide to yield the sulfur crystals on the surface of the deodorant filter. The methyl mercaptan removal capacity of the deodorant filter was studied with repetition of removal tests. Results show that the methyl mercaptan removal capacity of the deodorant filter is a little smaller than that of conventional granular activated carbon.

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