【摘要】 采用二步氯化氧化法对煤气化过程中产生的含氰废水进行处理,控制反应温度在30℃以下,反应时间30~40min,通氯量是理论通氯量1.1~1.2倍,分步骤控制溶液pH值,可以使煤气化废水中总氰浓度小于0.5mg/L,达标排放。更多还原

【Abstract】 This article adopts two step chlorination oxidation process for coal gasification process of containing cyanide wastewater treatment,control of the reaction temperature at 30℃,reaction time 30~40 minutes,chlorine dosage is theory of chlorine dosage 1.1~1.2 times,step by step control the pH value of the solution,can make the coal gasification wastewater total cyanide concentration is less than 0.5mg/L,emission standard.更多还原