摘要
采用兼氧接触氧化工艺预处理含高浓度SS的纺织印染废水,探究其应用于实际工程的可行性。当进水COD、SS平均浓度分别为956和1 450 mg/L、兼氧接触氧化反应器的水力停留时间为10 h、溶解氧维持在0.3 mg/L以下时,对COD的平均去除率为54.7%,对SS的平均去除率为93.7%。该工艺能耐受高pH值和有机负荷冲击,并具有降低pH值、降解部分有机物、减少污泥产量的作用。
The pretreatment of textile printing and dyeing wastewater with high suspended solids was conducted by a faeultative contact process to determine its engineering feasibility. When the average influent COD, SS, HRT and DO were 956 mg/L, 1 450 mg/L, 10 h, and less than 0.3 mg/L, respectively, the average removal rates of COD and SS were 54.7% and 93.7% , respectively. The process can tolerate high pH value and high organic load shocks, and is capable of reducing pH, degrading organic compounds, and decreasing sludge production.
出处
《中国给水排水》
CAS
CSCD
北大核心
2013年第11期30-32,39,共4页
China Water & Wastewater
基金
国家自然科学基金资助项目(51078149)
广州市科技计划项目
广州市民生科技重大专项
关键词
兼氧接触氧化工艺
悬浮物
预处理
纺织印染废水
水力停留时间
facuhative contact oxidation process
printing and dyeing wastewater
HRT suspended solids
pretreatment
textile
