中国造纸2011，Vol.30Issue(z1)：16-19,4.
光催化-好氧活性污泥法处理漂白废水
Treatment of Bleaching Effluent of Pulp and Paper Mill by Combined Photocatalytic-aerobic Activated Sludge Processes
杨滨 1刘博 1孙蕾 2万顺刚 2王双飞1
作者信息
- 1. 广西大学轻工与食品工程学院,广西南宁,530004
- 2. 中国科学院广州地球化学研究所,广东广州,510640
- 折叠
摘要
Abstract
The treatment efficiency of bleaching effluent of bagasse pulp treated by photocatalytic-aerobic activated sludge was studied. Effects of pH value, TiO2 dosage and H2O2 concentration on the photocatalytic treatment were investigated by Response Surface Methodology (RSM). The change of intermediates was detected by using GC-MS. The treatment efficiency of bleaching effluent treated by the combined processes was investigated through BOD5/CODCr and biodegradation respiration curve. The results indicated that in the process of photocatal-ysis, pH value, TiO2 dosage and H2O2 concentration interacts in certain degree, and H2O2 has synergistic effect on UV/ TiO2 system. Dechlorination, transformation or degradation of the organic pollutants in the effluent improves its biodegradability, CODCr of the bleaching effluent decreases from 965 mg/L to 78 mg/L, the removal rates of color and UV254 are 91 % and 95% respectively after treating by the combined photocatalytic-aerobic activated sludge processes. The combined processes is proved an effective process for treating high concentration organic waste water which is difficult to be biodegraded.关键词
漂白废水/光催化/好氧活性污泥/响应面法Key words
bleaching effluent/ photocatalytic/ aerobic activated sludge/ Response Surface Methodology引用本文复制引用
杨滨,刘博,孙蕾,万顺刚,王双飞..光催化-好氧活性污泥法处理漂白废水[J].中国造纸,2011,30(z1):16-19,4.
