【摘要】 该文首先研究了臭氧-生物活性炭联用工艺对氯消毒副产物的前体物——腐殖酸的去除效果,并对影响臭氧-生物活性炭去除腐殖酸效果的因素进行了试验研究,具体研究了腐殖酸原液和臭氧-生物活性炭出水分子量分布;初始浓度对臭氧-生物活性炭活性炭联用工艺去除腐殖酸的影响;Mn2+离子、p H值、混凝和沉淀对臭氧-生物活性炭工艺去除腐殖酸的影响。研究结果表明,当腐殖酸初始浓度升高时,臭氧-生物活性炭对腐殖酸的去除率较好;当腐殖酸溶液中存在锰离子时,臭氧-生物活性炭对腐殖酸的去除率升高,并且随锰离子浓度的升高,对腐殖酸的去除率也逐渐升高;p H值的升高、混凝和沉淀都有利于臭氧-生物活性炭对腐殖酸的去除。更多还原

【Abstract】 Paper studied the ozone- biological activated carbon(O3-BAC) combination process removal humic acid, precursors of chlorine disinfection byproducts. O3-BAC for humic acid removal effect and influence factors was studied. Molecular weight distribution in the of humic acid liquid and O3-BAC effluent also studied. The effect of initial concentration of humic acid on removal efficiency ozone activated carbon combination process.The effect of Mn2+ions, p H, coagulation and sedimentation process on humic acids were removed by O3-BAC combination process. The results showed that when the initial concentration of humic acid concentration in the water is gradually increased, the removal efficiency of humic acid by O3-BAC is better; When humic acid solution in the presence of manganese ions, the removal efficiency of O3-BAC for humic acid increased, and increased with the concentration of manganese ions, removal of humic acid gradually increased; elevated p H values, coagulation and sedimentation are conducive to O3-BAC for humic acid removal.更多还原