摘要
采用碱沉淀与铁氧体沉淀相结合的工艺对含铍废水进行处理,考察了碱沉淀剂、铁氧体、沉淀反应pH、聚铝等对铍去除效果的影响。结果表明,在氢氧化钙投加量3.6kg/m3、铁氧体投加量0.05kg/m3、沉淀反应pH=8～9、聚铝投加量0.1kg/m^3的条件下,处理铍浓度为2 438μg/L的工业废水,出水铍浓度稳定低于2.7μg/L,铍去除率达到99.9%,出水满足国家污水综合排放标准要求。
Industrial beryllium-bearing wastewater was treated by alkali precipitation and ferrite precipitation process.Effects of alkali precipitant,ferrite,reaction pH,and poly aluminum dosage on beryllium removal were investigated.The results show that beryllium concentration in effluent drops from2 438μg/L to 2.7μg/L below with beryllium removal efficiency of 99.9% under the optimum conditions including calcium hydroxide dosage of 3.6 kg/m3,ferrite dosage of 0.05 kg/m3,reaction pH of 8～9,and poly aluminum dosage of 0.1 kg/m3.The beryllium concentration of effluent met the national wastewater discharge standard.
作者
姜科
周康根
杨有才
JIANG Ke;ZHOU Kang-gen;YANG You-cai(Department of Environmental Engineering, Changsha Environmental Protection College, Changsha 410004, China;School of Metallurgy and Environment, Central South University, Changsha 410083, China;Hunan Zhongjin Lingnan Komeng Environmental Protection Technology Co. , Ltd. , Changsha 410013, China)
出处
《有色金属（冶炼部分）》
CAS
北大核心
2018年第6期83-86,共4页
Nonferrous Metals（Extractive Metallurgy)
基金
水体污染控制与治理科技重大专项(2010ZX07212-008)
关键词
铁氧体沉淀法
含铍工业废水
热力学
深度处理
ferrite precipitation process
beryllium-bearing industrial wastewater
thermodynamic
advanced treatment
