不锈钢厂混酸废液不同处理方案对比分析

Comparative Analysis of Different Treatment Schemes for Mixed Acid Wastewater in Stainless Steel Plant

对不锈钢企业产生的混酸废液特点和国家对水污染物排放的要求做了阐述。在充分市场调研的基础上,对不锈钢生产过程中产生的混酸废液的各种处理方案进行了对比分析,比较了不同处理方案的优缺点,并对不同方案的一次投资、年运行成本及年度回收产品价值进行了计算和对比。

The characteristics of mixed acid waste liquid produced by stainless steel en⁃terprises and national requirements for water pollutant discharge are described.On the basis of full market research,various treatment schemes of mixed acid waste liquid produced in stainless steel production process are compared and analyzed.The advantages and disadvan⁃tages of different treatment schemes are compared.The primary investment,annual operation cost and annual recovery product value of different schemes are calculated and compared.