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地下水同步除铁除锰生物滤层中漏锰现象研究

Keywords: 地下水,生物滤层,除铁除锰,漏锰

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Abstract:

针对生物滤层同步去除地下水中铁锰离子过程中"漏锰"现象进行了研究,明确了"漏锰"是由亚铁离子对锰化物氧化还原引起的,试验证明了影响反应的主要因素为MnOx质量、原水中Fe2+浓度及pH值等.Mn2+溶出的浓度与MnOx及Fe2+浓度均呈二次曲线关系,pH值小于5.0时促进反应发生,大于7.5时则抑制锰的析出.

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