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Spanting

新虫 (初入文坛)

[求助] 吸附处理微量镉污染水

pH对人造沸石、斜发沸石重金属镉去除率的影响。调节pH为7~8时,原水浓度为17μg/L降为0.8μg/L,而用人造沸石,斜发沸石处理后浓度为1.0μg/L左右,这可以解释吗?

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美国ADG

捐助贵宾 (正式写手)

抽样样品是过滤时的,还是反冲洗时的?

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2楼2017-05-29 08:04:43
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美国ADG

捐助贵宾 (正式写手)

两种情况,第一种是抽样抽的反冲洗时的样品。第二种是过滤罐板结了,三是PH值偏酸性,调节到8.0-8.5,长期未进行反冲洗。我遇到的只有这3种情况,当然不排除有其他可能。

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3楼2017-05-29 08:11:02
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