某氟化工生产废水处理工程设计实例  

An example of fluorine chemical production wastewater treatment project design

作　　者：穆文华 MU Wenhua(Shandong Qingyuan Environmental Protection Engineering Co.,Ltd.,Binzhou 256500,China)

机构地区：[1]山东清远环保工程有限公司,山东滨州256500

出　　处：《工业用水与废水》2024年第4期91-95,共5页Industrial Water & Wastewater

摘　　要：针对某氟化工生产废水的水质特点,采用分质处理的方法,对高氟废水采用钙盐沉淀-铝盐沉淀-三效蒸发预处理,对其他低氟废水采用钙盐沉淀-铝盐沉淀预处理,采用好氧生化-臭氧催化氧化-絮凝沉淀组合工艺处理经过预处理后的混合废水,介绍了该工程的处理工艺、设计参数、运行效果、投资及运行成本等。工程运行结果表明,pH值、COD及氟离子指标达到GB 3838—2002《地表水环境质量标准》中V类水标准,全盐量达到山东省DB37/3416.3—2018《流域水污染物综合排放标准第3部分:小清河流域》要求,满足下游污水厂纳管标准。In view of the characteristics,different methods are used to treat fluorine chemical production wastewater according to their compositions.For high fluorine-containing wastewater,calcium salt precipitation-aluminum salt precipitation-triple effect evaporation was adopted as the pretreatment process,for low fluorine-containing wastewater,calcium salt precipitation-aluminum salt precipitation was adopted as the pretreatment process.Using aerobic biochemical-ozone catalytic oxidation-flocculation precipitation combined process to treat the pretreated mixed wastewater,the treatment process,design parameters,operation effect,investment and operation cost of the said project were introduced.The engineering operation results indicated that,through the treatment,the indicators of pH value,COD and fluorine ions in the effluent water all met the requirement of class V water standard in GB 3838—2002 Surface water environmental quality standard,the total salt content satisfied the requirement of part 3 of DB 37/3416.3—2018 Shandong xiaoqing river basin water pollutant comprehensive discharge standard,which also met the downstream water plant management standard.

关 键 词：氟化工 高氟废水 低氟废水 絮凝沉淀 三效蒸发 臭氧催化氧化 好氧处理 

分 类 号：X703.1[环境科学与工程—环境工程]