苯胺对氨氮硝化反应抑制作用的实证研究
发布时间:2018-11-25 09:13
【摘要】:某污水处理厂出水氨氮不达标,经调查发现该厂进水中含有苯胺。围绕苯胺对活性污泥硝化作用的影响,开展了相关研究。结果表明,苯胺可抑制活性污泥的硝化作用,且其浓度越高抑制作用越强;当系统中苯胺浓度超过3 mg/L时,可使污泥丧失硝化能力;适当提高活性污泥浓度可使抑制作用减弱;对于短时间受抑制的活性污泥,若苯胺不再进入,其硝化能力将逐渐恢复。
[Abstract]:Ammonia nitrogen in effluent of a sewage treatment plant is not up to standard, and aniline is found in the influent of the plant. The effect of aniline on nitrification of activated sludge was studied. The results showed that aniline could inhibit the nitrification of activated sludge, and the higher the concentration of aniline was, the stronger the inhibition was, and when the concentration of aniline in the system was more than 3 mg/L, the nitrification ability of activated sludge could be lost. Increasing the concentration of activated sludge could weaken the inhibition effect, and if aniline no longer entered, the nitrification ability of activated sludge would gradually recover.
【作者单位】: 浦华环保股份有限公司;
【分类号】:X703
[Abstract]:Ammonia nitrogen in effluent of a sewage treatment plant is not up to standard, and aniline is found in the influent of the plant. The effect of aniline on nitrification of activated sludge was studied. The results showed that aniline could inhibit the nitrification of activated sludge, and the higher the concentration of aniline was, the stronger the inhibition was, and when the concentration of aniline in the system was more than 3 mg/L, the nitrification ability of activated sludge could be lost. Increasing the concentration of activated sludge could weaken the inhibition effect, and if aniline no longer entered, the nitrification ability of activated sludge would gradually recover.
【作者单位】: 浦华环保股份有限公司;
【分类号】:X703
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