气浮/混凝/水解酸化/接触氧化工艺处理生物柴油废水  

Treatment of Wastewater from Biodiesel Production by Means of Flotation/Coagulation/Hydrolytic Acidification /Contact Oxidation

作　　者：檀俊利[1] 陈玉平[1] 鲁桃丽[1] 杨德琴[1] 

机构地区：[1]中国林业科学研究院林产化学工业研究所生物质化学利用国家工程实验室国家林业局林产化学工程重点开放性实验室江苏省生物质能源与材料重点实验室,江苏南京210042

出　　处：《林产化学与工业》2011年第3期94-98,共5页Chemistry and Industry of Forest Products

摘　　要：采用气浮/混凝/水解酸化/接触氧化的组合工艺对生物柴油废水进行处理。实际运行结果表明,该工艺处理效果良好,耐强冲击负荷,出水水质稳定。气浮对油脂的去除率达85%以上,经混凝/水解酸化/接触氧化工艺处理后的出水各项污染物指标化学耗氧量(CODCr)、悬浮物(SS)、氨氮(NH3-N)和总磷(TP)等的去除率不低于90%,CODCr在80 mg/L以下,达到《化学工业主要水污染物排放标准》(DB32/939-2006)一级标准。The flotation/coagulation/hydrolytic acidification/contact oxidation processes were used to treat biodiesel wastewater.The actual operation results showed that the system has good treatment efficiency,strong resistance to shock loading and stable water quality.The removal rate of oil is up to 85% by flotation method.After the flotation/coagulation/hydrolysis acidification/contact oxidation processes,the removal rates of pollutants in effluent,such as CODCr,SS,NH3-N and TP are not less than 90% and the amount of CODCr is less than 80mg/L.The efluent quality can meet the first grade requirement in Chinese standard for discharge of major water pollutants in chemical industry（DB 32/939-2006）.

关 键 词：生物柴油 气浮 混凝 水解酸化 接触氧化 

分 类 号：TQ517[化学工程] X703[环境科学与工程—环境工程]