固定在管状聚合物凝胶中用于脱氮的欧洲亚硝化单胞菌和反硝化副球菌的分布
Distribution of Nitrosomonas europaea and Paracoccus denitrificans immobilized in tubular polymeric gel for nitrogen removal.
作者信息
Uemoto H, Saiki H
机构信息
Bio-Science Department, Central Research Institute of Electric Power Industry, Abiko City, Chiba 270-1194, Japan.
出版信息
Appl Environ Microbiol. 2000 Feb;66(2):816-9. doi: 10.1128/AEM.66.2.816-819.2000.
Abstract
To improve the cooperative removal of nitrogen by Nitrosomonas europaea and Paracoccus denitrificans, we controlled their distribution in a tubular gel. When ethanol was supplied inside the tubular gel as an electron donor, their distributions overlapped in the external region of the gel. By changing the electron donor from ethanol to gaseous hydrogen, the distribution of P. denitrificans shifted to the inside of the tube and was separated from that of N. europaea. The separation resulted in an increase of the oxidation rate of ammonia by 25%.
摘要
为了提高欧洲亚硝化单胞菌和反硝化副球菌协同脱氮效果，我们控制了它们在管状凝胶中的分布。当在管状凝胶内部供应乙醇作为电子供体时，它们的分布在凝胶外部区域重叠。通过将电子供体从乙醇改为气态氢，反硝化副球菌的分布转移到管内，并与欧洲亚硝化单胞菌的分布分离。这种分离导致氨的氧化速率提高了25%。
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