Removal Effect of Fluoride Ions by Aluminum Salt in Wastewater
作者机构：Inner Mongolia Jiuke Kangrui Environmental Protection and Technology Co.Ltd.Erdos 017000China
出 版 物：《Meteorological and Environmental Research》 (气象与环境研究（英文版）)
年 卷 期：2022年第13卷第6期
页 面：55-59页
学科分类：083002[工学-环境工程] 0830[工学-环境科学与工程（可授工学、理学、农学学位）] 08[工学]
基 金：Supported by the Science and Technology Achievements Transformation Project of Ordos City—Synthesis and Technology Development of Targeted Agents for the Treatment of Wastewater Containing Fluorine and Silica(2021CG Society2-4) Special Project for Science and Technology Achievements Transformation of Inner Mongolia Autonomous Region—Recycling Project of 15000 m^(3)/d+15000 m^(3)/d Reclaimed Water in Dongsheng District
主 题：Industrial wastewater Fluoride ion Influencing factors Theoretical study
摘 要：To study a kind of high-efficiency fluoride removal agent based on aluminum salt,through theoretical and experimental research,the influence of different factors(dosage of agent,concentration of fluoride ions,pH,TDS,hardness and alkalinity,etc.)on the removal effect of fluoride ions by fluoride removal agent in industrial wastewater,especially mine water was *** results show that the fluoride ion removal agent based on aluminum salt could achieve efficient removal of fluoride ions,and the optimal mass ratio of fluoride ion concentration and compound reagent was 1∶*** concentration of fluoride ions in the water produced after precipitation was≤1 mg/L under the optimal pH *** the pH of the solution was 6.5-7.5,the effect of fluoride removal by the agent was the *** the pH of the solution was10.5 or5,there was no effect of fluoride *** the conditions of optimal pH and reagent dosage,the removal rate of fluoride ions rose with the increase of fluoride ion concentration in wastewater,up to 87.4%.It is also verified that TDS had no obvious effect on fluoride removal,and the smaller the hardness and alkalinity,the better the effect of fluoride removal.
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