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垃圾焚烧炉渣对电镀废水中Cu的吸附特性

Keywords: 炉渣,电镀废水,吸附,Cu

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Abstract:

以垃圾焚烧炉渣作吸附剂,对电镀废水中Cu的吸附特性进行了研究,包括吸附速率、解吸速率、吸附等温线和连续柱吸附实验等。结果表明,炉渣对电镀废水中Cu的吸附平衡时间和解吸平衡时间均为8h。炉渣对Cu的吸附等温线为直线型,可用Henry型方程进行拟合。连续柱吸附实验结果表明,炉渣对电镀废水在连续吸附55h后吸附能力逐渐丧失,累计最大吸附量为921μg/g,而炉渣对人工配水在连续吸附80h后吸附能力完全丧失,累计最大吸附量为2687μg/g。

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