某稀土厂生产废水处理工程设计-林伟仲

某稀土厂生产废水处理工程设计林伟仲1谌建宇2陈泽涛1林方敏2叶万生2(1.广东新大禹环境工程有限公司，广州510660;2.环境保护部华南环境科学研究所，广州510655)摘要:采用分类分质方法对稀土厂生产废水进行处理，将草沉废水及含氨废水分别进行预处理后再与其他生产废水混合。采用“反应沉淀+气浮+生化+吸附+湿地”工艺进行处理，出水各指标均能稳定达到GB26451—2011《稀土工业污染物排放标准》及DB44/26—2001《广东省水污染物排放限值》的要求。关键词:稀土;废水处理;工程设计ENGINEEＲINGDESIGNOFPＲODUCTIONWASTEWATEＲTＲEATMENTFＲOMAＲAＲEEAＲTHFACTOＲYLinWeizhong1ChenJianyu2ChenZetao1LinFangmin2YeWansheng2(1.GuangdongXindayuEnvironmentalEngineeringCo．，Ltd，Guangzhou510660，China;2.SouthChinaInstituteofEnvironmentalSciences，MinistryofEnvironmentalProtection，Guangzhou510655，China)Abstract:Thewastewaterfromrareearthfactorywasclassificationprocessedaccordingtothedifferentwaterquality．Depositedoxalicacidwastewaterandtheammonianitrogenwastewaterafterpretreqtmentwouldbemixedwithotherwastewater．Thecombinedprocessofprecipitation+flotationprocess+biologicalprocess+adsorption+wetlandwasusedforthetreatmentofrareearthwastewater．Eachindexcouldmeetthestandardof“EmissionStandardsofPollutantsformＲareEarthsIndustry”(GB26451—2001)and“Dischar