化工废水除硅系统运行工艺参数优化研究
Study on Optimization of Operation Process Parameters of Silicon Removal System for Chemical Wastewater
郭采君1
作者信息
- 1. 国家能源集团宁夏煤业有限责任公司水务分公司,宁夏 银川 754011
- 折叠
摘要
针对废水除硅系统除硅效果不佳、出水沉淀池频繁翻泥严重制约生产装置稳定运行的实际问题,开展了工艺参数优化相关研究.实验结果表明,当调节反应 pH 值为 7,控制偏铝酸钠加药量与进水中含硅量比例为1∶1,且絮凝剂PAC投加质量浓度为30 mg/L时,出水硅质量浓度为 17 mg/L、浊度为 8 NTU,均可满足除硅系统出水水质指标要求.
Abstract
In view of the practical problems that the silicon removal effect of the wastewater silicon removal system is not good,and the frequent mud turning of the effluent sedimentation tank seriously restricts the stable operation of the production device,this paper carries out related research on process parameter optimization.The experimental results show that when the pH value of the reaction is adjusted to 7,the ratio of the dosage of sodium metaaluminate to the silicon content in the influent is controlled to be 1:1,and the concentration of the flocculant PAC is 30 mg/L,the effluent silicon content is 17 mg/L and the turbidity is 8 NTU,which can meet the requirements of the effluent water quality index of the silicon removal system.
关键词
除硅系统/pH值/偏铝酸钠/PACKey words
Silicon removal system/pH value/Sodium metaaluminate/PAC引用本文复制引用
出版年
2024
国家科技期刊平台
NSTL
万方数据