Biological treatment of high NH<sub>4</sub><sup>+</sup>-N wastewater using an ammonia-tolerant photosynthetic bacteria strain (ISASWR2014)

Qin Zhou; Guangming Zhang; Xiang Zheng; Guohua Liu

doi:10.1016/j.cjche.2015.08.018

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Biological treatment of high NH₄⁺-N wastewater using an ammonia-tolerant photosynthetic bacteria strain (ISASWR2014)

能源、资源与环境技术 | Updated：2026-01-06

- Biological treatment of high NH₄⁺-N wastewater using an ammonia-tolerant photosynthetic bacteria strain (ISASWR2014)
- Biological treatment of high NH₄⁺-N wastewater using an ammonia-tolerant photosynthetic bacteria strain (ISASWR2014)
- 中国化学工程学报（英文版） 2015年23卷第10期页码：1712-1715
- Affiliations：
  
  School of Environment & Natural Resource, Renmin University of China,Beijing,China,100872
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2015.08.018
  中图分类号：
- 纸质出版：2015
- Accepted：
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Qin Zhou, Guangming Zhang, Xiang Zheng, 等. Biological treatment of high NH₄⁺-N wastewater using an ammonia-tolerant photosynthetic bacteria strain (ISASWR2014)[J]. 中国化学工程学报（英文版）, 2015,23(10):1712-1715. DOI: 10.1016/j.cjche.2015.08.018.

-N wastewater using an ammonia-tolerant photosynthetic bacteria strain (ISASWR2014)[J]. Chinese Journal of Chemical Engineering, 2015, 23(10): 1712-1715.
Qin Zhou, Guangming Zhang, Xiang Zheng, 等. Biological treatment of high NH₄⁺-N wastewater using an ammonia-tolerant photosynthetic bacteria strain (ISASWR2014)[J]. 中国化学工程学报（英文版）, 2015,23(10):1712-1715. DOI: 10.1016/j.cjche.2015.08.018. DOI：

-N wastewater using an ammonia-tolerant photosynthetic bacteria strain (ISASWR2014)[J]. Chinese Journal of Chemical Engineering, 2015, 23(10): 1712-1715. DOI： 10.1016/j.cjche.2015.08.018.

摘要

Abstract

Wastewaterwith high NH

-N is difficult to treat by traditional methods. So in this paper

a wild strain of photosynthetic bacteria was used for high NH

-N wastewater treatment together with biomass recovery. Isolation

identification

and characterization of the microorganism were carried out. The strain was inoculated to the biological wastewater treatment unit. The impacts of important factorswere examined

including temperature

dissolved oxygen

and light intensity. Results showed that photosynthetic bacteria could effectively treat high NH

- Nwastewater. Forwastewaterwith NH

-N of 2300 mg · L

-1

COD/N=1.0

98.3% of COD was removed

and cell concentration increased by 43 times. The optimal conditions for the strain's cell growth and wastewater treatment were 30 ℃

dissolved oxygen of 0.5-1.5 mg · L

-1

and a light intensity of 4000 lx. Photosynthetic bacteria could bear a lower C/N ratio than bacteria in a traditionalwastewater treatment process

but the NH

-N removal was only 20%-40% because small molecule carbon source was used prior to NH

-N. Also

the use of photosynthetic bacteria in chickenmanurewastewater containingNH

-Nabout 7000mg· L

-1

proved that photosynthetic bacteria could remove NH

-N in a real case

finally

83.2% of NH

-N was removed and 66.3% of COD was removed.

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Biological treatment of high NH4+-N wastewater using an ammonia-tolerant photosynthetic bacteria strain (ISASWR2014)

Biological treatment of high NH4+-N wastewater using an ammonia-tolerant photosynthetic bacteria strain (ISASWR2014)

DOI：10.1016/j.cjche.2015.08.018

摘要

Abstract

关键词

Keywords

references

Biological treatment of high NH₄⁺-N wastewater using an ammonia-tolerant photosynthetic bacteria strain (ISASWR2014)

Biological treatment of high NH₄⁺-N wastewater using an ammonia-tolerant photosynthetic bacteria strain (ISASWR2014)