高效破乳剂混凝剂去除兰炭废水中COD的研究  

Study on removal of COD from blue carbon wastewater by high efficiency demulsifier coagulant

作　　者：马子昂 张安龙 王先宝 赵萌 刘欣东 MA Zi-ang;ZHANG An-long;WANG Xian-bao;ZHAO Meng;LIU Xin-dong(School of Environmental Science and Engineering,Shaanxi University of Science and Technology,Xi’an 710000,China)

机构地区：[1]陕西科技大学环境科学与工程学院,陕西西安710000

出　　处：《应用化工》2024年第2期319-321,331,共4页Applied Chemical Industry

基　　金：陕西省重点研发计划项目(2017ZDXM-SF-096)。

摘　　要：考察破乳剂种类、投加量、pH值以及混凝剂种类、投加量、pH值对兰炭废水COD去除率的影响。结果表明,破乳剂采用脂肪氨聚氧乙烯醚类破乳剂,最佳投加量为3 g/L,pH值为6,COD去除率为34.2%,含油量去除率为62.3%,混凝剂为有机胺混凝剂,最佳投加量为5 mg/L,pH值为6,COD去除率为52%。The removal effect of an organic polymer demulsifier and coagulant on COD in the wastewater was studied.The effects of demulsifier type,dosage and pH value,coagulant type,dosage and pH value on COD removal rate of wastewater were systematically investigated.The result showed that the demulsifier is fatty amine polyoxyethylene ether demulsifier,the optimal dosage is 3 g/L,pH value is 6,COD removal rate is 34.2%,oil content removal rate is 62.3%,coagulant is organic amine coagulant,the optimal dosage is 5 mg/L,pH value is 6,and COD removal rate is 52%.

关 键 词：兰炭废水 高分子有机破乳剂 絮凝剂 COD去除率 

分 类 号：TQ02[化学工程] X703[环境科学与工程—环境工程]