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新型活性污泥的培养及其处理高盐有机废水

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谭淞文, 李维国, 公天齐, 刘伟, 杨慧茹, 徐爱琴, 刘君虎, 徐海滨. 新型活性污泥的培养及其处理高盐有机废水[J]. 环境工程学报, 2012, 6(11): 4059-4064.
引用本文: 谭淞文, 李维国, 公天齐, 刘伟, 杨慧茹, 徐爱琴, 刘君虎, 徐海滨. 新型活性污泥的培养及其处理高盐有机废水[J]. 环境工程学报, 2012, 6(11): 4059-4064.
shu
Tan Songwen, Li Weiguo, Gong Tianqi, Liu Wei, Yang Huiru, Xu Aiqin, Liu Junhu, Xu Haibin. Cultivation of novel activated sludge and saline wastewater treatment[J]. Chinese Journal of Environmental Engineering, 2012, 6(11): 4059-4064.
Citation: Tan Songwen, Li Weiguo, Gong Tianqi, Liu Wei, Yang Huiru, Xu Aiqin, Liu Junhu, Xu Haibin. Cultivation of novel activated sludge and saline wastewater treatment[J]. Chinese Journal of Environmental Engineering, 2012, 6(11): 4059-4064.
shu

新型活性污泥的培养及其处理高盐有机废水

  • 1.

    哈尔滨工业大学(威海)海洋学院,威海 264209

  • 2.

    中联重科环境产业分公司,长沙 410000

  • 基金项目:

    城市水资源和环境国家重点实验室开放研究基金(QA201016)

  • 中图分类号: X703.1

Cultivation of novel activated sludge and saline wastewater treatment

  • 1.

    Marine College, Harbin Institute of Technology at Weihai, Weihai 264209, China

  • 2.

    Environmental & Sanitation Branch Comany, Zoomlion Heavy Industkry Science & Technology Development Co. Ltd., Changsha 410000,China

  • Fund Project:

摘要

  • 摘要: 在好氧反应器中,将海泥通过海水和营养物质培养成新型的活性污泥,在处理含盐废水时有较好的活性和沉降性能,对这种新型的活性污泥我们称其为海洋活性污泥。通过10周的培养,海泥的污泥体积指数(SVI)从最初的19 mL/g升高到70 mL/g,对有机废水处理12 h后高锰酸盐指数(CODMn)降解率达到90%,氨氮降解率达到45%。在污泥培养时,营养物质投加频率为一日一次最有利于污泥的培养,又葡萄糖比淀粉更有利于污泥的培养。对于含盐有机废水的处理,海洋活性污泥也比传统活性污泥有优势,甚至对于含盐量6%的高盐有机废水,处理12 h后能达到CODMn降解率达为70%,氨氮降解率达到30%。当NaCl浓度高于6%,海洋活性污泥仍具有一定的活性,但仍能观察到明显的抑制作用。此外,海洋活性污泥具有比传统活性污泥更强的盐度变化抗性,甚至在低盐度下盐浓度变化时,海洋活性污泥的氨氮降解稳定性也优于传统活性污泥。
    Abstract: Some sea mud can be filled in aerobic reactor with natural seawater and nutrients to become activated sludge. It performs good activity in treating saline wastewater and it was named marine activated sludge. After a ten-weeks long cultivation, the sludge volume index (SVI) increased from 19 mL/g to 70 mL/g, while CODMn degradation rate peaks 90% and degradation rate of ammonia nitrogen reached 45% after 12-hour reaction. Furthermore, feeding sludge once a day has the highest biodegrability. And dextrose is better than starch as a carbon source for cultivation. Also, marine activated sludge has a stronger biodegrability in treating saline wastewater and a better stability against salinity shift than the conventional activated sludge. The CODMn degradation rate is over 70% and degradation rate of ammonia nitrogen is over 30% after 12-hour reaction in the case that the salinity is under 6%, both of which present applied values of saline wastewater treatment. However, an obvious biological activity inhibition is observed in the case that the salinity rate is above 6%. The marine activated sludge has a higher resistance to salinity variation. Even in low salinity, the marine activated sludge’s stability of the degradation rate of ammonia nitrogen overmatches conventional activated sludge.
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    [2] 程宏伟,林里,刘德明. 香港应用海水冲厕工程综述. 福建建筑, 2010, (8): 1-3 Cheng Hongwei, Lin Li, Liu Deming. The use of sea water for toilet flushing in Hong Kong. Fujian Architecture & Construction, 2010, (8): 1-3 (in Chinese)
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出版历程
  • 收稿日期:  2011-12-14
  • 刊出日期:  2012-11-09
谭淞文, 李维国, 公天齐, 刘伟, 杨慧茹, 徐爱琴, 刘君虎, 徐海滨. 新型活性污泥的培养及其处理高盐有机废水[J]. 环境工程学报, 2012, 6(11): 4059-4064.
引用本文: 谭淞文, 李维国, 公天齐, 刘伟, 杨慧茹, 徐爱琴, 刘君虎, 徐海滨. 新型活性污泥的培养及其处理高盐有机废水[J]. 环境工程学报, 2012, 6(11): 4059-4064.
shu
Tan Songwen, Li Weiguo, Gong Tianqi, Liu Wei, Yang Huiru, Xu Aiqin, Liu Junhu, Xu Haibin. Cultivation of novel activated sludge and saline wastewater treatment[J]. Chinese Journal of Environmental Engineering, 2012, 6(11): 4059-4064.
Citation: Tan Songwen, Li Weiguo, Gong Tianqi, Liu Wei, Yang Huiru, Xu Aiqin, Liu Junhu, Xu Haibin. Cultivation of novel activated sludge and saline wastewater treatment[J]. Chinese Journal of Environmental Engineering, 2012, 6(11): 4059-4064.
shu

新型活性污泥的培养及其处理高盐有机废水

  • 1. 哈尔滨工业大学(威海)海洋学院,威海 264209
  • 2. 中联重科环境产业分公司,长沙 410000
  • 收稿日期:  2011-12-14
基金项目:

城市水资源和环境国家重点实验室开放研究基金(QA201016)

摘要: 在好氧反应器中,将海泥通过海水和营养物质培养成新型的活性污泥,在处理含盐废水时有较好的活性和沉降性能,对这种新型的活性污泥我们称其为海洋活性污泥。通过10周的培养,海泥的污泥体积指数(SVI)从最初的19 mL/g升高到70 mL/g,对有机废水处理12 h后高锰酸盐指数(CODMn)降解率达到90%,氨氮降解率达到45%。在污泥培养时,营养物质投加频率为一日一次最有利于污泥的培养,又葡萄糖比淀粉更有利于污泥的培养。对于含盐有机废水的处理,海洋活性污泥也比传统活性污泥有优势,甚至对于含盐量6%的高盐有机废水,处理12 h后能达到CODMn降解率达为70%,氨氮降解率达到30%。当NaCl浓度高于6%,海洋活性污泥仍具有一定的活性,但仍能观察到明显的抑制作用。此外,海洋活性污泥具有比传统活性污泥更强的盐度变化抗性,甚至在低盐度下盐浓度变化时,海洋活性污泥的氨氮降解稳定性也优于传统活性污泥。

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