摘要:实验研究了Fenton氧化对剩余污泥的溶胞效果。结果表明:Fenton试剂能有效地破解污泥细胞,释放胞内物质,实现污泥减量。SS和VSS在反应90min时,分别减少22.31%和25.58%;污泥破解过程中,SCOD、TN、TP大量溶出,污泥液相中三者的变化规律与SS、VSS相呼应,均随反应时间的增加呈先快速增加而后缓慢增加,在反应90min时实现稳定,质量浓度分别为2487、103.68、2.36mg/L;反应过程中部分有机氮被氧化生成NH3-N、N02^- -N,进而被氧化生成N03-N;Fenton氧化能够改善污泥沉降性能,降低SVI,反应90min时,SVI由初始的34mL/g降为25.6mL/s。
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