pH值对诱导结晶流化床技术用于水质软化的影响  

Effect of pH Value on the Application of Induced Crystallization Fluidized Bed Technology for Water Softening

作　　者：朱来松 高雅 袁劲梅 李靖梅 Zhu Laisong;Gao Ya;Yuan Jinmei;Li Jingmei(CEC Environmental Protection Co.,Ltd.,Nanjing 211102,China)

机构地区：[1]中电环保股份有限公司,江苏南京211102

出　　处：《山东化工》2024年第15期247-249,共3页Shandong Chemical Industry

摘　　要：近些年来,诱导结晶流化床技术因其操作简便、产物可回收利用而受到越来越多的关注。本试验通过探究pH值对诱导结晶流化床技术用于水质软化的影响,发现在低钙处理介质中,钙脱除率随着pH值的升高而升高,在n(Ca^(2+))∶n(CO_(3)^(2-))=1∶0.5条件下,出水pH值在10.2~10.5范围内,Ca^(2+)的脱除率可以达到85%左右;在高钙处理介质中,n(Ca^(2+))∶n(CO_(3)^(2-))=1∶0.8条件下,出水pH值在10.6~11.6范围内,钙脱除率维持在94%左右,镁脱除率随pH值的升高而升高,但会造成出水的浊度增加;诱导结晶后的颗粒物,经分析可被资源化利用。In recent years,induced crystallization fluidized bed technology has attracted more and more attention due to its simple operation and recyclable products.In this study,by exploring the effect of pH value on the application of induced crystallization fluidized bed technology for water softening,it was found that the calcium removal rate increased with the increase of pH value in the low-calcium treatment medium,and the removal rate of Ca^(2+)could reach about 85%in the range of 10.2~10.5 under the n(Ca^(2+))∶n(CO_(3)^(2-))=1∶0.5.In the high-calcium treatment medium,under the condition of n(Ca^(2+))∶n(CO_(3)^(2-))=1∶0.8,the pH value of the effluent is in the range of 10.6~11.6,the calcium removal rate is maintained at about 94%.The magnesium removal rate increases with the increase of pH value,but the turbidity of the effluent increases.After inducing crystallization,the particulate matter can be used as a resource.

关 键 词：诱导结晶 钙镁脱除率 PH值 水质软化 资源化利用 

分 类 号：X703[环境科学与工程—环境工程]