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Abstract:
地下水除铁除锰滤池反冲洗铁锰泥具有良好的除砷效果,但因其粉末形态不易固液分离,本文采用高温烘焙法和包埋法以铁锰泥为原料制备颗粒吸附剂,其中包埋法采用烘干和冻干两种干燥方法制粒.结果表明,3种颗粒吸附剂:高温烘焙颗粒吸附剂(GA)、包埋烘干吸附剂(H-GA)和包埋冻干吸附剂(D-GA),表面粗糙,比表面积分别为43. 830、110. 30和129. 18 m~2·g~(-1).吸附实验表明,H-GA和D-GA对砷的吸附远大于GA,GA、H-GA和D-GA最大吸附量分别为5. 05、14. 95和13. 45 mg·g~(-1). Langmuir模型能更好地拟合H-GA和D-GA对砷的吸附,F...
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环境科学
Year: 2019
Issue: 11
Volume: 40
Page: 5002-5008
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 8
Affiliated Colleges: