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北京石油化工学院2026年研究生招生接收调剂公告
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默默7777777

铜虫 (小有名气)

[求助] 序批式生物膜法处理含氮废水的影响因素研究

随着人们生活水平的提高和环境污染的严重,人们对工农业排水的水质的要求也相应提高。本文对处理含氮废水的影响因素进行了研究,以期能够提高SBBR法的处理效率,提高排水水质。结果表明进水COD浓度、C/N、溶解氧、温度在一定范围内的升高有利于含氮物质的去除,但超过一定范围便不利用含氮物质的去除,pH过高或过低均不利于含氮物质的去除。

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genhunter

至尊木虫 (著名写手)

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爱与雨下: 金币+1 2015-05-13 22:11:08
默默7777777(RXMCDM代发): 金币+5 2015-10-17 08:20:46
随着人们生活水平的提高和环境污染的严重,人们对工农业排水的水质的要求也相应提高。本文对处理含氮废水的影响因素进行了研究,以期能够提高SBBR法的处理效率,提高排水水质。结果表明进水COD浓度、C/N、溶解氧、温度在一定范围内的升高有利于含氮物质的去除,但超过一定范围便不利用含氮物质的去除,pH过高或过低均不利于含氮物质的去除。
Rising living standards and worsening environmental pollution have created tougher requirement for the quality of discharged water from industrial and agricultural sources. This work studied key factors involved in nitrogen-rich waste water treatment , in an attempt to improve the efficacy of SBBR water-treatment method and the quality of treated water.  The results indicated that the raising of the following parameters, such as the COD concentrations in the input, C/N ratio, dissolved oxygen and temperature, within a certain range was beneficial to the removal of nitrogen-containing substances, while it had an opposite effect when exceeded certain limits. Extreme pH, either too high or too low was not suitable for  the removal of nitrogen-containing substances.
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3楼2015-05-12 19:32:42
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