γ-Al2O3催化臭氧氧化二沉池废水的研究  

Study on γ-Al2O3 Catalytic Ozonation of Secondary Sedimentation Tank Wastewater

作　　者：巫先坤 陈洋 赵选英 杨峰 周腾腾 Wu Xiankun;Chen Yang;Zhao Xuanying;Yang Feng;Zhou Tengteng(Jiangsu Nanda Huaxing Science and Technology of Environmental Protection Co.,Ltd.,Yancheng 224001;Yancheng Academy of Environmental Protection Technology and Engineering,Nanjing University,Yancheng 224001,China)

机构地区：[1]江苏南大华兴环保科技股份公司,江苏盐城224001 [2]南京大学盐城环保技术与工程研究院,江苏盐城224001

出　　处：《广东化工》2020年第20期65-66,75,共3页Guangdong Chemical Industry

基　　金：江苏省产学研合作项目,BY2019185。

摘　　要：采用γ-Al2O3催化臭氧氧化技术对化工园区二沉池废水深度处理进行研究,探讨了催化剂量、催化剂粒径、臭氧量、初始pH对COD去除率影响。在催化剂量80 g/L、催化剂粒径1.5~3.0 mm、臭氧量50.0 mg/L、初始pH值9的条件下,COD去除率达52.9%。γ-Al2O3在处理二沉池废水过程中高效、稳定,适合工程推广应用。The advanced treatment of secondary sedimentation tank wastewater in chemical industry park was studied by using γ-Al2O3 catalytic ozonation technology.The effects of catalyst amount,catalyst particle size,ozone amount and initial pH on COD removal rate were discussed.Under the experimental conditions of catalyst amount 80 g/L,catalyst particle size 1.5~3.0 mm,ozone dosage 46.1 mg/L,initial pH value 9,COD removal rate was 52.9%.γ-Al2O3 is efficient and stable in the treatment of secondary sedimentation tank wastewater,which is suitable for engineering application.

关 键 词：臭氧 二沉池废水 Γ-AL2O3 

分 类 号：X52[环境科学与工程—环境工程]