[1]周作明,荆国华.微生物降解对硝基苯酚的特性分析[J].华侨大学学报(自然科学版),2006,27(4):418-421.[doi:10.3969/j.issn.1000-5013.2006.04.023]
　Zhou Zuoming,Jing Guohua.Study on the Properties of Microbial Degradation of p-Nitrophenol[J].Journal of Huaqiao University(Natural Science),2006,27(4):418-421.[doi:10.3969/j.issn.1000-5013.2006.04.023]
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微生物降解对硝基苯酚的特性分析()
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《华侨大学学报（自然科学版）》[ISSN:1000-5013/CN:35-1079/N]

卷:
第27卷
期数:
2006年第4期
页码:
418-421
栏目:
出版日期:
2006-10-20

文章信息/Info

Title:
Study on the Properties of Microbial Degradation of p-Nitrophenol
文章编号:
1000-5013(2006)04-0418-04
作者:
周作明; 荆国华
华侨大学材料科学与工程学院; 华侨大学材料科学与工程学院 福建泉州362021; 福建泉州362021
Author(s):
Zhou Zuoming;  Jing Guohua
College of Material Science and Engineering, Huaqiao University, 362021, Quanzhou, China
关键词:
对硝基苯酚;  废水处理;  生物降解;  驯化微生物
Keywords:
p-nitrophenol;  wastewater treatment;  bio-degradation;  cultivated microorganism
分类号:
X703.1
DOI:
10.3969/j.issn.1000-5013.2006.04.023
文献标志码:
A
摘要:
对驯化微生物处理对硝基苯酚(p-NP)模拟废水进行研究,考察p-NP初始浓度、菌种投加量、葡萄糖添加量、溶液pH值、反应温度等因素对p-NP降解效果的影响.结果表明,当p-NP浓度大于125 mg.L-1时,开始表现出对微生物的抑制作用; 当p-NP浓度增高到200 mg.L-1后,微生物降解效果不理想; 而当p-NP浓度为150 mg.L-1时,微生物接种量大于2.75 g.L-1,可获得最大平均降解速率.此外,适量添加葡萄糖,可促进微生物对p-NP的降解,但葡萄糖浓度超过0.55 g.L-1以后,底物竞争会对p-NP的降解形成抑制.实验最后得出,生物降解p-NP的适宜pH值为7.0~8.0,适宜温度范围为25~35℃.
Abstract:
The effect of the initial concentration of p-nitrophenol,biomass inoculation,the adding amount of glucose,pH and temperature on the degradation of p-nitrophenol by the cultivated microorganisms were investigated in the flask culture experiments.The results showed that substrate inhibition appeared when the concentration of p-nitrobenzopheol was higher than 125 mg·L-1,and the bio-degradation was suppressed when p-nitrophenol concentration reached 200 mg·L1.The maximal degradation rate was achieved when the biomass inoculation was more than 2.75 g·L-1 with an initial p-nitrophenol concentration of 150 mg·L-1.The bio-degradation of p-nitrophenol could be accelerated with the addition of certain amount of glucose(less than 0.55 g·L-1).The bio-reduction could be achieved efficiently in the temperature range of 2535 ℃ and a pH range of 7.08.0.

参考文献/References:

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更新日期/Last Update: 2014-03-23