污泥干化冷凝液MBR出水深度处理方法和经济性研究Research on Advanced Treatment Methods & Economics of MBR Effluent from Sludge Drying Condensate
官章琴
摘要(Abstract):
某工程采用缺氧/好氧-膜生物反应器(A/O-MBR工艺)处理污泥干化冷凝液,由于进水水质、水量波动导致化学需氧量(COD)超标。针对该问题,文章分别采用紫外(UV)/过硫酸盐(PDS)、热/过硫酸盐、光热/过硫酸盐3种工艺对污泥干化冷凝液MBR出水进行深度处理,并对其经济适用性进行了全面评估。研究结果表明:3种工艺均可使污泥干化冷凝液MBR出水达到GB/T 31962—2015《污水排入城镇下水道水质标准》A级排放标准。对比3种工艺成本,光热活化过硫酸盐工艺运行成本相对较低,紫外活化次之,热活化工艺最为昂贵。研究成果可为相关污泥处理工程提供参考。
关键词(KeyWords): 污泥干化冷凝液;过硫酸盐;高级氧化
基金项目(Foundation):
作者(Author): 官章琴
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