摘要:GB 21900-2008《电镀污染物排放标准》规定了电镀企业水和大气污染物的排放控制、监测等要求。本文对该标准中的单位产品基准排水量进行了讨论,指出企业采用稀释法排放电镀废水是不可行的,并对工艺及装备的选择提出了一些建议。 关键词:电镀;废水;废气;排放;标准;治理 中图分类号:TGl78;X781.1 文献标志码:B 文章编号:1004—227X(2009)05—0044—03 Discussion on the Emission Standard of Pollutants for Electroplating//SHI Lei*,SHI Jin—sheng,SHI Yong Abstract:The Emission Standard of Pollutants f0,.Electroplating(GB 2 1 900-2008)stipulates the requirements of discharge limits and determination methods of air and water pollutants from electroplating industry.The discharge amount reference per unit product was discussed.It is pointed out that the dilution of discharged wastewater is impracticable.Some suggestions on the selection of process and equipments were presented. Keywords:electroplating;wastewater;exhaust gas; emission;standard;treatment First-author’S address:College of Material Science and Technology,Shandong Architecture University,Jinan250101,China 1 前言 国标GB 21900-2008《电镀污染物排放标准》已于 新标准中水体污染规定了20项,再加上控制用水的限量值,共21项。新标准之下,电镀企业应从以下4个方面进行考虑: (1)新建或改造企业,必须用清洁生产、循环经济的思想为指导,树立系统设计的观念,全方位、全过程地考虑实现标准的措施。 |