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Abstract:
用硫酸改性污泥活性炭考察硫酸浓度及改性时间对活性炭吸附容量的影响,在最佳改性条件下研究了振荡时间、初始浓度、pH值对活性炭吸附Cr6+的影响.并对改性前后污泥活性炭吸附Cr6+的等温吸附特性、动力学模型进行分析.结果表明:采用体积比为1∶5的硫酸,改性2h,活性炭对Cr6吸附容量达9.44 mg/g,较原污泥活性炭提高了53%;改性前后污泥活性炭对Cr6的吸附均符合Langmuir等温吸附模型和准二级动力学模型.
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Source :
北京工业大学学报
ISSN: 0254-0037
Year: 2014
Issue: 6
Volume: 40
Page: 932-937
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: 12
Chinese Cited Count:
30 Days PV: 3
Affiliated Colleges: