【摘要】 研究了Fenton氧化技术在改善污泥脱水性能方面的效果,以污泥比阻和毛细吸水时间来表征污泥的脱水性能,探讨了体系的pH和反应时间对污泥脱水性能的影响以及Fenton氧化对污泥溶解性物质(SCOD+多聚糖+蛋白质)含量的影响研究表明,Fenton氧化能够明显改善污泥的脱水性能。在体系的pH=3时,反应1h后,Fenton氧化处理后污泥的CST从处理前的130.9s减少到19.7s,降幅85%;污泥SRF从处理前的3.58×108 s2/g降低到1.05×107 s2/g,降幅97%。同体系处理污泥SCOD、上清液中多聚糖和蛋白质的含量分别增加了3.7倍、2.6倍和1.5倍。更多还原

【Abstract】 Dehydration performance of Fenton oxidation was studied,wich was reflected by capillary suction time(CST) and sludge specific resistance(SRF).Effect of pH and reaction time on dehydration was evaluated;and the impact of Fenton oxidation on soluble substances in the sludge was also studied.Fenton oxidation significantly increased the dewatering performance of sludge.CST in the sludge was decreased by 85% from 130.9 s to 19.7 s and SRF by 97% from 3.58×108 s2/g to 1.05×107 s2/g after 1 h of Fenton treatment when the pH of the reaction system was 3.Concentration of SCOD,polysaccharide and protein in the supernatant was increased by 3.7,2.6 and 1.5 times respectively.更多还原