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[Nitrite denitrification characteristics with redox mediator].
Huan Jing Ke Xue. 2013 Sep; 34(9):3520-5.HJ

Abstract

This study optimized the nitrite degradation conditions and explored the characteristics of nitrite degradation with redox mediators and nitrite denitrifying bacteria. The results suggested that the optimal condition of nitrite denitrification was 35 degrees C, pH = 8.0, sodium succinate as the carbon source, the C/N rate of 4 and the initial nitrite concentration of 100 mg x L(-1); the optimal AQS concentration was 0. 16 mmol x L(-1); ORP values stabilized around -400 mV to -500 mV with AQS, which were lower than that of controls during the denitrification process; the pH changed with nitrite removal and stabilized at 9 to 10; through the analysis of denitrifying intermediate metabolites, the impact of AQS on nitrite denitrifying process presumably not only played a coenzyme CoQ role but also accelerated the cytochrome transfer electronic process. This study provides the optimal parameters for practical application of the nitrite biodegradation with redox mediator.

Authors+Show Affiliations

School of Environmental Science and Engineering, Hebei University of Science and Technology, Shijiashuang 050018, China. zlj2009good@163.comNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article

Language

chi

PubMed ID

24288999

Citation

Zhao, Li-jun, et al. "[Nitrite Denitrification Characteristics With Redox Mediator]." Huan Jing Ke Xue= Huanjing Kexue, vol. 34, no. 9, 2013, pp. 3520-5.
Zhao LJ, Ma ZY, Guo YK, et al. [Nitrite denitrification characteristics with redox mediator]. Huan Jing Ke Xue. 2013;34(9):3520-5.
Zhao, L. J., Ma, Z. Y., Guo, Y. K., Xi, Z. H., Du, H. F., Liu, X. Y., & Guo, J. B. (2013). [Nitrite denitrification characteristics with redox mediator]. Huan Jing Ke Xue= Huanjing Kexue, 34(9), 3520-5.
Zhao LJ, et al. [Nitrite Denitrification Characteristics With Redox Mediator]. Huan Jing Ke Xue. 2013;34(9):3520-5. PubMed PMID: 24288999.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - [Nitrite denitrification characteristics with redox mediator]. AU - Zhao,Li-jun, AU - Ma,Zhi-yuan, AU - Guo,Yan-kai, AU - Xi,Zhen-hua, AU - Du,Hai-feng, AU - Liu,Xiao-yu, AU - Guo,Jian-bo, PY - 2013/12/3/entrez PY - 2013/12/3/pubmed PY - 2015/5/30/medline SP - 3520 EP - 5 JF - Huan jing ke xue= Huanjing kexue JO - Huan Jing Ke Xue VL - 34 IS - 9 N2 - This study optimized the nitrite degradation conditions and explored the characteristics of nitrite degradation with redox mediators and nitrite denitrifying bacteria. The results suggested that the optimal condition of nitrite denitrification was 35 degrees C, pH = 8.0, sodium succinate as the carbon source, the C/N rate of 4 and the initial nitrite concentration of 100 mg x L(-1); the optimal AQS concentration was 0. 16 mmol x L(-1); ORP values stabilized around -400 mV to -500 mV with AQS, which were lower than that of controls during the denitrification process; the pH changed with nitrite removal and stabilized at 9 to 10; through the analysis of denitrifying intermediate metabolites, the impact of AQS on nitrite denitrifying process presumably not only played a coenzyme CoQ role but also accelerated the cytochrome transfer electronic process. This study provides the optimal parameters for practical application of the nitrite biodegradation with redox mediator. SN - 0250-3301 UR - https://www.unboundmedicine.com/medline/citation/24288999/[Nitrite_denitrification_characteristics_with_redox_mediator]_ DB - PRIME DP - Unbound Medicine ER -
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