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光-Fenton氧化破解剩余污泥和改善污泥脱水性能

Keywords: 光-Fenton,胞外聚合物,SCOD,多聚糖,蛋白质,污泥过滤比阻,滤饼含水率

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Abstract:

利用紫外光-Fenton(光Fenton)氧化处理城市剩余污泥,通过上清液的SCOD、多聚糖以及蛋白质浓度表征污泥胞外聚合物(EPS)的破解情况,通过污泥过滤比阻(SRF)和滤饼含水率表征污泥脱水性能的变化。结果表明,光-Fenton氧化破解污泥EPS和改善污泥脱水性能的效能明显优于单独Fenton反应和单独紫外光照射处理。pH为3、反应时间为2h,H2O2投加量为4g/L和Fe2+投加量为0.6mg/L是光-Fenton氧化处理供

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