折点氯化法处理化工皂化污水中氨氮的实验研究  

Experimental Study on the Treatment of Ammonia Nitrogen in Saponification Wastewater by Break Point Chlorination

作　　者：宁方敏 Ning Fang-min

机构地区：[1]滨化集团股份有限公司,山东滨州256600

出　　处：《化工设计通讯》2020年第5期227-227,257,共2页Chemical Engineering Design Communications

摘　　要：采用折点氯化法处理环氧丙烷皂化污水,通过实验探究影响氨氮去除率的主要影响因素。结果表明:在pH=7、反应温度为30℃,反应时间控制在30min内,10%次氯酸钠溶液投加量为0.35mL/100mL的条件下,折点氯化法的氨氮去除效果最佳,经济成本为0.87元/m^3。This paper deals with the saponification wastewater of propylene oxide by break point chlorination,and explores the main factors influencing the removal rate of ammonia nitrogen through experiments.The results showed that under the condition of pH=7,reaction temperature 30℃,reaction time 30min,10%sodium hypochlorite solution dosage 0.35ml/100ml,the removal effect of ammonia nitrogen was the best,and the economic cost was 0.87 yuan/m^3.

关 键 词：折点氯化法 氨氮 污水 

分 类 号：X703[环境科学与工程—环境工程]