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改性粉煤灰和高铁酸钾联合处理矿井水的研究

Keywords: 粉煤灰,高铁酸钾,矿井水,混凝

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Abstract:

利用高铁酸钾处理经过改性粉煤灰混凝后的矿井水,形成改性粉煤灰和高铁酸钾联合处理矿井水工艺。研究表明,粉煤灰在使用硫酸改性前后,在投加量为50g/L,对去除矿井水中浊度的变化是53.18~25.42NTU,对CODMn的去除效率也由29%升高到50%;在改性粉煤灰中混入高铁酸钾5mg/L时,矿井水中浊度和悬浮物分别降到18.3NTU和10mg/L,CODMn去除率为53.23%;此后,上清液中投加高铁酸钾10mg/L时,水中的浊度由18.3NTU降到5.1NTU,悬浮物

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