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为考察调节pH值对剩余污泥好氧消化效果的影响,采用2个反应器,在不调节pH值与加入NaHCO3调节pH≈7两种条件下进行好氧消化对比试验。监测消化过程中污泥TSS、TVSS、SOUR、沉降性及比阻的变化情况,结果表明:在两种条件下污泥均能达到稳定,消化30 d TVSS去除率分别为47.1%和49.2%。消化过程中调节pH≈7,TSS、TVSS去除率略有提高,上清液的浊度和COD降低,并且污泥的沉降、脱水性能改善,因而更有利于后续的处理。
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环境污染治理技术与设备
Year: 2006
Issue: 02
Page: 34-37
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30 Days PV: 2