厌氧颗粒污泥膨胀床(EGSB)反应器处理高硫酸盐有机废水的厌氧生物脱硫试验
EXPERIMENT STUDY ON ANAEROBIC BIODESULFURIZATION IN EGSB TREATING HIGH-SULFATE ORGANIC WASTEWATER
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摘要: 采用人工配制的高硫酸盐有机废水模拟青霉素废水,研究其经过EGSB反应器厌氧处理后的出水,在厌氧条件下采用生物法将其转化为单质硫的脱硫工艺.当保持S2-/NO3-在1.7—1.8时,S2-保持高去除率且不会进一步生成硫酸盐.脱硫反应器与EGSB反应器联合运行,处理系统运行参数为:进水COD浓度为6000 mg·L-1,硫酸盐浓度为2400 mg·L-1,有机负荷12 kgCOD·(m3·d)-1,COD/SO2-4值为2.5,水力上升流速2.2 m·h-1时,COD去除率达到90%以上,S2-去除率可达94%以上.试验表明此方法作为EGSB处理高浓度硫酸盐有机废水的后续脱硫单元是可行的.Abstract: Desulfurization of EGSB and biological methods was investigated for the simulative penicillin wastewater.The removal of S2- was high when the rate of S2-/NO3- was 1.7—1.8. In the mean time, S2- can not form sulfate further. Desulfurization reactor was started-up with EGSB at the same time with the removal of COD and S2- more than 90% and 94%, respectively. And the operation paramaters as follows: COD=6000 mg·L-1, SO2-4=2400 mg·L-1, OLR=12 kgCOD·(m3·d)-1,COD∶SO2-4=2.5,and Vup=2.2 m·h-1. It was suggested that EGSB is feasible treatment for high-sulfate organic wastewater.
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Key words:
- anaerobic /
- desulfurization /
- Penicillin wastewater /
- S2-
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[1] 刘鸿元.生物脱硫技术[J].中氮肥,2002,5:54-57 [2] 左剑恶,袁琳,胡纪萃,等.利用无色硫细菌氧化废水中硫化物的研究[J].环境科学,1995,16 (6):7-10 [3] 柯建明,王凯军.采用好氧气提反应器处理含硫化物废水[J].环境科学,1998,4:62-64 [4] Schonheit P. Kinetic mechanism for the ability of sulfate reducers to out compete met hanogens for acetate[J]. Arch Microbiol,1982,132:285-288 [5] Hen shaw P F,Bewtra J K,et al. Biological removal of hydrogen sulfide from refinery waster water and conversion to elemental sulfur[J]. Wat Sci Tech,1992,25 (3):265-270 [6] Robertson L A,Kuenen J G. Anaerobic and aerobic denituification by sulphide oxidizing bacteria from waster water[J]. Anaerobic waste water treatment, TNO Corp Comm Dept. Netherlands,1983:3-12 [7] 李巍,赵庆良,刘颢,等.兼养同步脱硫反硝化工艺及影响因素[J].中国环境科学, 2008,28(4):345-349. [8] 王爱杰,杜大仲,任南琪,等.一种同步脱氮脱硫并回收单质硫的新工艺初探[J].中国科技信息,2005,25(9):56-57 [9] 李军. 微生物与水处理工程[M]. 北京:化学工业出版社,2002 [10] [11] 苏静.硫化物生物氧化脱硫技术研究现状[J].环境技术,2006,1:27-28 [12] 王伟.EGSB反应器处理高浓度硫酸盐废水的研究.江南大学硕士学位论文,2006 [13] 贾璇.EGSB反应器处理青霉素生产废水工艺研究.河北大学工学硕士学位论文,2007 -

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