反硝化硫杆菌去除废水中硝酸盐和硫化物的研究

Q4 Agricultural and Biological Sciences

应用与环境生物学报 Pub Date : 2013-12-13 DOI:10.3724/SP.J.1145.2013.00175

Xin Wu, Jin-zhong Zhao

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引用次数: 0

摘要

通过测定驯化过程中反硝化硫杆菌的生长曲线和培养基的pH，确定了去除高浓度废水中硝酸盐和硫化物的最佳条件。然后考察了硫化物与硝酸盐的比值和no3的去除率。结果表明，当废水中s2的浓度为400 mg/L，硫化物与硝酸盐的比例为5:3时，no3的去除率可达63.19%，s2可同时转化为硫酸盐或元素硫。这些结果表明，反硝化硫杆菌在废水中硝酸盐和硫化物的污染控制中具有应用潜力。

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Removal of Nitrate and Sulfide from Wastewater by Thiobacillus denitrificans

The growth curve of Thiobacillus denitrificans and pH of the culture media during the domestication process were determined to make sure the optimum condition for the removal of nitrate and sulfide in highly-concentrated wastewater.Then the ratio of sulfide to nitrate and the removing rate of NO3-were also examined in this paper.The results showed that when the S2-concentration in wastewater was 400 mg/L and the ratio of sulfide to nitrate was 5:3,the removing rate of NO3-could reach 63.19%,and S2-could simultaneously be converted into sulfate or elementary sulfur.These results indicated that Thiobacillus denitrificans had application potential in pollution control for nitrate and sulfide in wastewater.

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来源期刊

应用与环境生物学报 Agricultural and Biological Sciences-Agronomy and Crop Science

CiteScore

1.20

自引率

0.00%

发文量

4458

期刊介绍： The “Chinese Journal of Applied and Environmental Biology” is a national scientific and technological journal published both at home and abroad. It was started in 1995 and became bimonthly in 1999, and now it is a core journal for applied and environmental biology in China. It aims to introduce and exchange the new achievements, new technologies, new methods and new progresses made from the research fields of biology and its related disciplines both in China and abroad; enhance scientific and technological research serving for the development and construction of national economy, and improvement of people’s living standards.