摘要：
烟草废水中含有香精香料、生物碱、酚类、醇类等多种难降解有机物, 成分复杂, 浓度较高。采用气浮+水解酸化+接触氧化+斜管沉淀+砂滤活性炭组合工艺处理此类废水。运行结果表明, 当进水COD为550 mg/L左右时, 二级出水COD<70 mg/L,中水出水COD<38 mg/L,出水水质分别达到《污水综合排放标准》(GB 8978-1996)的一级排放标准和《城市污水再生利用 城市杂用水水质》(GB/T 18920-2002)的再生水回用水质标准。该工艺运行稳定可靠, 可操作性强, 具有良好的经济效益和环境效益。
关键词:
烟草废水,
气浮,
水解酸化,
接触氧化,
斜管沉淀,
中水回用
Abstract:
Tobacco wastewater contains a large quantity of organic substances, such as essence and spice, alkaloid, phenols, alcohols, etc., which are characterized by refractory degradation, complex components, and high concentra- tion. The combined process, air flotation+hydrolysis acidification+contact oxidation+inclined tube sedimentation+sand filtration activated carbon, has been used for treating this kind of wastewater. The running results show that when the influent COD is about 550 mg/L, the secondary effluent COD is less than 70 mg/L, and the reclaimed water effluent COD less than 38 mg/L. The effluent water quality meets the requirements of the first level criteria specified in the Integrated Wastewater Discharge Standard(GB 8978-1996) and the reclaimed and recycling water quality standard specified in the City Miscellaneous Water Quality of City Sewage Regeneration and Recycling(GB/T 18920-2002). The practice shows that the combined process runs stably and reliably with high operability and great economic and environmental benefits.
Key words:
tobacco wastewater,
air flotation,
hydrolysis acidification,
contact oxidation,
inclined tube sedimentation,
reclaimed water reuse
中图分类号:
蒋岸, 倪宁, 高中方, 宋士娟, 李亮. 气浮+水解酸化+接触氧化等组合工艺处理卷烟厂废水[J]. 工业水处理, 2015, 35(6): 89-92.
Jiang An, Ni Ning, Gao Zhongfang, Song Shijuan, Li Liang. Combined process of air flotation+hydrolysis acidification+contact oxidation,etc. for the treatment of wastewater from cigarette factories[J]. INDUSTRIAL WATER TREATMENT, 2015, 35(6): 89-92.