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前置回流式反硝化-硝化组合反应器(UBF-BAF)处理高氨氮制药废水

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张文艺, 姚立荣, 闫刚, 赵婷婷, 陆丽巧, 李定龙. 前置回流式反硝化-硝化组合反应器(UBF-BAF)处理高氨氮制药废水[J]. 环境化学, 2011, 30(6): 1168-1174.
引用本文: 张文艺, 姚立荣, 闫刚, 赵婷婷, 陆丽巧, 李定龙. 前置回流式反硝化-硝化组合反应器(UBF-BAF)处理高氨氮制药废水[J]. 环境化学, 2011, 30(6): 1168-1174.
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ZHANG Wenyi, YAO Lirong, YAN Gang, ZHAO Tingting, LU Liqiao, LI Dinglong. TREATMENT OF PHARMACEUTICAL WASTEWATER OF HIGH NH3-N CONCENTRATION WITH PRE-BACKFLOW TYPE DENITRIFICATION AND NITRIFICATION COMBINED REACTOR (UBF/BAF)[J]. Environmental Chemistry, 2011, 30(6): 1168-1174.
Citation: ZHANG Wenyi, YAO Lirong, YAN Gang, ZHAO Tingting, LU Liqiao, LI Dinglong. TREATMENT OF PHARMACEUTICAL WASTEWATER OF HIGH NH3-N CONCENTRATION WITH PRE-BACKFLOW TYPE DENITRIFICATION AND NITRIFICATION COMBINED REACTOR (UBF/BAF)[J]. Environmental Chemistry, 2011, 30(6): 1168-1174.
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前置回流式反硝化-硝化组合反应器(UBF-BAF)处理高氨氮制药废水

  • 1.

    常州大学环境与安全工程学院, 常州, 213164

  • 基金项目:

    江苏省自然科学基金项目(SBK200930405)

    "十一五"国家科技重大专项(2008ZX07101-007-01)资助.

TREATMENT OF PHARMACEUTICAL WASTEWATER OF HIGH NH3-N CONCENTRATION WITH PRE-BACKFLOW TYPE DENITRIFICATION AND NITRIFICATION COMBINED REACTOR (UBF/BAF)

  • 1.

    School of Environmental and Safety Engineering, Changzhou University, Changzhou, 213164, China

  • Fund Project:

  • 摘要: 针对常州市某生化制药公司高浓度氨氮制药废水SBR处理工艺,改用前置回流式UBF-BAF组合工艺进行了试验研究.结果表明,在厌氧生物膜的作用下,前置式UBF反应器内不仅依次发生了有机物分解的水解酸化和产甲烷的碳化反应,而且还同步发生了含氮化合物的反硝化和厌氧氨氧化反应,表现出COD、氨氮、亚硝酸盐氮和总氮浓度同步降低.BAF承接经UBF厌氧处理后的出水,与SBR相比具有较高的同步脱碳、脱氮性能,其对氨氮和总氮去除率分别高达84.08%和68.15%.从UBF-BAF反应器中分离出了厌氧氨化细菌和好氧反硝化细菌,从微生物角度进一步表明了UBF-BAF组合反应器具有较强的脱氮能力.UBF-BAF适宜的运行参数:pH值为6.4—7.0,水力负荷为0.16—0.39 m3·m-2·h-1.当进水TKN、NH3-N和COD浓度分别为61.18—91.34 mg·L-1、37.9—56.05 mg·L-1和379.04—802.4 mg·L-1时,COD和NH3-N的去除率均高于80%,各项指标均达到了生物工程类制药工业新建企业水污染物排放限值(GB21907—2008).
    Abstract: SBR(Sequencing Batch Reactor Activated Sludge Process) was employed to treat the wastewater of high NH3-N concentration from a pharmaceutical company in Changzhou City, but the effluent water did not meet the discharge standards. So UBF/BAF combined reactor was used to replace SBR to treat the wastewater. The results showed that the UBF reactor not only had the carbonation reaction, but also had ANAMMOX and denitrification reaction simultaneously under the action of anaerobic biomembrane. Compared with SBR, BAF had a higher performance of decarbonization and denitrification simultaneously. The removal rate of NH3-N reached 84.08%, the removal rate of TN reached 68.15%. Two strains were isolated from UBF/BAF combined reactor, and were identified as Proteus and Pseudomonas by morphological observations and physiological test. The best treatment parameters of UBF/BAF: pH=6.4—7.0, and hydraulic loading=0.16—0.39 m3·m-2·h-1. When the concentration of TKN, NH3-N were 61.18—91.34 mg·L-1, 37.9—56.05 mg·L-1 , respectively in the influent water, the removal rate of COD and NH3-N both exceeded 80%. The effluent water met discharge standards of water pollutants for pharmaceutical industry Bio-pharmaceutical category (GB21907—2008).
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  • 收稿日期:  2010-06-07
张文艺, 姚立荣, 闫刚, 赵婷婷, 陆丽巧, 李定龙. 前置回流式反硝化-硝化组合反应器(UBF-BAF)处理高氨氮制药废水[J]. 环境化学, 2011, 30(6): 1168-1174.
引用本文: 张文艺, 姚立荣, 闫刚, 赵婷婷, 陆丽巧, 李定龙. 前置回流式反硝化-硝化组合反应器(UBF-BAF)处理高氨氮制药废水[J]. 环境化学, 2011, 30(6): 1168-1174.
shu
ZHANG Wenyi, YAO Lirong, YAN Gang, ZHAO Tingting, LU Liqiao, LI Dinglong. TREATMENT OF PHARMACEUTICAL WASTEWATER OF HIGH NH3-N CONCENTRATION WITH PRE-BACKFLOW TYPE DENITRIFICATION AND NITRIFICATION COMBINED REACTOR (UBF/BAF)[J]. Environmental Chemistry, 2011, 30(6): 1168-1174.
Citation: ZHANG Wenyi, YAO Lirong, YAN Gang, ZHAO Tingting, LU Liqiao, LI Dinglong. TREATMENT OF PHARMACEUTICAL WASTEWATER OF HIGH NH3-N CONCENTRATION WITH PRE-BACKFLOW TYPE DENITRIFICATION AND NITRIFICATION COMBINED REACTOR (UBF/BAF)[J]. Environmental Chemistry, 2011, 30(6): 1168-1174.
shu

前置回流式反硝化-硝化组合反应器(UBF-BAF)处理高氨氮制药废水

  • 1. 常州大学环境与安全工程学院, 常州, 213164
  • 收稿日期:  2010-06-07
基金项目:

江苏省自然科学基金项目(SBK200930405)

"十一五"国家科技重大专项(2008ZX07101-007-01)资助.

摘要: 针对常州市某生化制药公司高浓度氨氮制药废水SBR处理工艺,改用前置回流式UBF-BAF组合工艺进行了试验研究.结果表明,在厌氧生物膜的作用下,前置式UBF反应器内不仅依次发生了有机物分解的水解酸化和产甲烷的碳化反应,而且还同步发生了含氮化合物的反硝化和厌氧氨氧化反应,表现出COD、氨氮、亚硝酸盐氮和总氮浓度同步降低.BAF承接经UBF厌氧处理后的出水,与SBR相比具有较高的同步脱碳、脱氮性能,其对氨氮和总氮去除率分别高达84.08%和68.15%.从UBF-BAF反应器中分离出了厌氧氨化细菌和好氧反硝化细菌,从微生物角度进一步表明了UBF-BAF组合反应器具有较强的脱氮能力.UBF-BAF适宜的运行参数:pH值为6.4—7.0,水力负荷为0.16—0.39 m3·m-2·h-1.当进水TKN、NH3-N和COD浓度分别为61.18—91.34 mg·L-1、37.9—56.05 mg·L-1和379.04—802.4 mg·L-1时,COD和NH3-N的去除率均高于80%,各项指标均达到了生物工程类制药工业新建企业水污染物排放限值(GB21907—2008).

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