发酵行业废水处理工艺恶臭处理技术及工程应用
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摘要
针对某发酵废水处理厂恶臭气体的产生及组成特点,在比较分析常用除臭技术的基础上,结合国内外同类废水处理厂恶臭气体处理工程案例和本工程的特点,提出该厂各废水处理构筑物、厌氧罐溢流出水处和蛋白浓缩车间3类不同区域产生的恶臭气体分别采用组合式生物工艺、碱洗—次氯酸喷淋洗涤工艺和喷淋洗涤—电除雾—低温等离子组合工艺进行处理,并介绍了除臭工艺的选择及除臭系统的工程设计参数。工程运行结果表明:厂界硫化氢、氨和臭气浓度符合《恶臭污染物排放标准》(GB 14554-93)规定的恶臭污染物厂界标准的要求。
In view of the generation and composition characteristics of odor gas in a fermentation wastewater treatment plant,on the basis of comparative analysis of commonly used deodorization technologies,combined with the odor gas treatment engineering cases of similar wastewater treatment plants at home and abroad and the characteristics of this project,the combination of odor gases produced in three different areas of wastewater treatment structure,overflow of anaerobic tank and protein concentrating workshop was proposed.The selection of deodorization process and engineering design parameters of deodorization system were introduced.The results of engineering operation showed that the concentration of hydrogen sulfide,ammonia and odor in the factory boundary can meet the requirements of odorous pollutant factory boundary standard stipulated in Standard for discharge of odorous pollutants(GB 14554-93).
In view of the generation and composition characteristics of odor gas in a fermentation wastewater treatment plant,on the basis of comparative analysis of commonly used deodorization technologies,combined with the odor gas treatment engineering cases of similar wastewater treatment plants at home and abroad and the characteristics of this project,the combination of odor gases produced in three different areas of wastewater treatment structure,overflow of anaerobic tank and protein concentrating workshop was proposed.The selection of deodorization process and engineering design parameters of deodorization system were introduced.The results of engineering operation showed that the concentration of hydrogen sulfide,ammonia and odor in the factory boundary can meet the requirements of odorous pollutant factory boundary standard stipulated in Standard for discharge of odorous pollutants(GB 14554-93).
引文
[1]王东升，朱新梦，杨晓芳，等．生物发酵制药行业VOCs和异味污染特征与防控技术的现状与展望[J]．环境科学，2019,(4):1-12.
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[11]叶楷，李茂刚，李沪萍，等．低温等离子体技术处理废气的研究进展[J]．化工新型材料，2018,46(5):44-47.
[12]肖静，范建国．对除雾技术及装置的探讨[J]．化工管理，2018,(34):48-49.
[13]刘建伟，段粹．组合式生物反应器处理多组分恶臭气体性能[J]．科学技术与工程，2017,17(34):154-158
[14]刘美林，纪传伟．低温等离子体在废气处理中的应用研究[J]．节能，2018,37(7):72-73.
[2] Carrera C F,Donoso B A,Souto J A.Modeling the odor generation in WWTP:an integrated approach review[J].Water Air Soil Pollut,2014,225(6):1-15.
[3] Garcia C A,Yap P S,Park H Y,et al.Association of longterm PM2.5exposure with mortality using different air pollution exposure models:impacts in rural and urban California[J].Environment Health Res,2015,26(2):1-13.
[4] Li H,Huang S B,Wei Z D,et al.Performance of a new suspended filler biofilter for removal of nitrogen oxides under thermophilic conditions and microbial community analysis[J].Science Total Environment,2016,562:533-541.
[5] Ruth M F,Radoslaw J B,I H “Mel”S,et al.Framework for the use of odour wheels to manage odours throughout wastewater biosolids processing[J].Science of the Total Environment,2018,634:214-223.
[6]王宸．城市污水处理厂恶臭排放特征及污染源强研究[J]．环境与发展，2017,29(6):17-20.
[7] Bindra N,Dubey B,Dutta A.Technological and life cycle assessment of organics processing odour control technologies[J].Sci Total Environ,2015,527-528,401-412.
[8] Krzysztof B,Katarzyna K,Damian K.Biological methods for odor treatmente A review[J].Journal of Cleaner Production,2017,152:223-241.
[9] Schnelle J K B,Dunn R F,Ternes M E.Air Pollution Control Technology Handbook[M].seconded.CRC Press,2015:239-258.
[10] Amirreza T,Marzieh B,Amin G.An overview of principles of odor production,emission,and control methods in wastewater collection and treatment systems[J].Journal of Environmental Management,2016,170:186-206.
[11]叶楷，李茂刚，李沪萍，等．低温等离子体技术处理废气的研究进展[J]．化工新型材料，2018,46(5):44-47.
[12]肖静，范建国．对除雾技术及装置的探讨[J]．化工管理，2018,(34):48-49.
[13]刘建伟，段粹．组合式生物反应器处理多组分恶臭气体性能[J]．科学技术与工程，2017,17(34):154-158
[14]刘美林，纪传伟．低温等离子体在废气处理中的应用研究[J]．节能，2018,37(7):72-73.
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