Abstract:
以煤矿地下水库中采集煤矸石为吸附剂,以溶解性有机质(dissolved organic matter,DOM)为目标污染物,探究煤矸石对DOM的吸附性能.采用SEM、BET、XRF对煤矸石进行表征,并研究了煤矸石吸附剂投加量、反应温度和初始DOM质量浓度等因素对去除率的影响.结果表明,煤矸石呈片层状结构,颗粒间孔隙较发达,且其BET比表面积为5.697 m~2/g.在DOM溶液质量浓度为20 mg/L、煤矸石投加量为20 g/L、温度为25℃和吸附时间为12 h的条件下,煤矸石对DOM的平衡吸附量为0.748 mg/g,DOM去除率可达74.78%.煤矸石吸附DOM的实验数据可以用Langmu...
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北京工业大学学报
Year: 2022
Issue: 09
Page: 1-10
Cited Count:
WoS CC Cited Count: 0
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ESI Highly Cited Papers on the List: 0 Unfold All
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30 Days PV: 7
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