摘要
建立了一体化生物处理反应器,采用自然富集挂膜方式培养微生物处理含油污水。实验考察了主要影响因素温度、HRT、有机负荷、生物填料性能等对反应器处理效能的影响。结果表明,通过此种方式挂膜、驯化成功的微生物可以适应含油污水高温高含盐的水质特点。纤维球填料体系在水温45～65℃、HRT为10h、含盐量为15000mg/L、CODCr有机负荷介于0.38～0.49kg/(m^3·d)之间、油含量介于22.1～78.3mg/L之间时处理效果较为理想,出水CODCr及油含量均值分别达到67.9mg/L、3.6mg/L,满足国家《污水综合排放标准》(GB8978-1996)一级排放标准。
Integrative reactor filled with bio-membrane cultured and enriched spontaneously was employed to dispose oily wastewater in this paper.The main influencing factors are investigated in experiments,which can affect the treatment effects such as temperature,HRT,mineralization, CODCr volumetric load and packing material.Experiments results show that the microorganisms cultured and enriched using this method can endure high temperature and high mineralization.Best outlet water can be achieved under the temperature 45~65℃,HRT 10h,CODCr volumetric load 0.38 ~0.49kg/（m^3·d）,oil concentration 22.1~78.3mg/L and mineralization 15000 mg/L,respectively. Study shows the average concentration of CODCr and oil in disposed wastewater are reduced to 67.9mg/L、3.6mg/L respectively,which could meet the Integrated wastewater discharge standard （GB8978-1996） first level.
关键词
含油污水
生物膜
水解酸化
曝气生物滤池
Oily-wastewater
Bio-membrane
Hydrolysis-acidification
Biological Aerated Filter（BAF）
