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化学物质对硝化细菌的选择性抑制

Keywords: 亚硝酸盐,短程硝化反硝化反应,化学物质,消毒剂,选择性抑制

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Abstract:

针对硝化反应中2类细菌对环境的敏感程度不同,可由此使硝化反应第2步受到抑制,产生亚硝酸盐的积聚,即短程硝化反应;将引起亚硝酸盐积聚的原因分为2种,相应地将化学物质对生物硝化反应的抑制作用分为2类,将这些可产生选择性抑制作用的化学物质进一步分为无机氮化合物、毒性物质和杀菌类物质.综合分析已有的研究结果,着重讨论了消毒剂作为选择性抑制剂的可行性.从安全性、投加剂量及投加频次等角度分析,认为消毒剂作为选择性抑制剂有很好的应用前景.

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