具有污泥源减量特性的改良好氧-沉淀-厌氧(MOSA)工艺中试研究

来源 :中国城镇供水排水协会科学技术委员会2013年年会暨城镇供水设施建设与改造技术交流会 | 被引量 : 0次 | 上传用户:CIA007
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在120m3/d的中试规模下,先后运行了UNITANK和UNITANK-MOSA工艺,通过对比两套工艺出水水质和产泥率等指标,研究MOSA工艺的污泥减量化效果以及相关的减量化机理.研究结果表明,对比单独运行的UNITANK工艺,UNITANK-MOSA工艺在不考虑出水悬浮物累计的情况下,取得了48%的污泥减量化效果,同时出水水质COD、氨氮、总氮等指标均无明显变化,表明了MOSA系统良好的稳定性和减量化效果.厌氧污泥中的镁离子得到了大量的释放,与镁结合的胞外聚合物离解释放在一定程度解释了本研究的减量化机理.
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