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次亜塩素酸類と１，２−ジクロロエタンとを含有する排水に還元剤を作用せしめて該排水中の酸化還元電位を４００ｍＶ以下とした後、１，２−ジクロロエタンを蒸留により分離することを特徴とする１，２−ジクロロエタンの回収方法。After reducing the oxidation-reduction potential of the wastewater containing hypochlorous acid and 1,2-dichloroethane to 400 mV or less by applying a reducing agent to the wastewater, 1,2-dichloroethane is separated by distillation. To recover 1,2-dichloroethane.還元剤添加後の次亜塩素酸類の濃度が１００ｐｐｍｗ以下である請求項１記載の回収方法。The method according to claim 1, wherein the concentration of hypochlorous acid after the addition of the reducing agent is 100 ppmw or less.
JP2002010418A2002-01-182002-01-18
Method for recovering 1,2-dichloroethane
Expired - LifetimeJP3949457B2
(en)
Substituted 2-aminoimidazoles, method for the production thereof, their use as a medicament or as a diagnostic reagent, and medicament containing these compounds
Methods of detection of conformational change in a nucleic acid duplex by treatment with oxidising or reactive agent as a result of exposure to environmental or chemical conditions