煤渣吸附水中氟和砷的研究

doi:10.7523/j.issn.2095-6134.2014.04.005

中国科学院大学学报 ›› 2014, Vol. 31 ›› Issue (4): 471-476.DOI: 10.7523/j.issn.2095-6134.2014.04.005

煤渣吸附水中氟和砷的研究

李娟¹, 刘新春¹, 余志晟¹, 易鑫¹, 琚宜文²

1. 中国科学院大学资源与环境学院, 北京 100049;
2. 中国科学院大学地球科学学院, 北京 100049

收稿日期:2013-05-22 修回日期:2013-09-30 发布日期:2014-07-15
通讯作者: 刘新春，E-mail：xcliu@ucas.ac.cn
基金资助:
国家科技重大专项（2011ZX05060-005）资助

Study on adsorption of fluorine and arsenic in water by coal cinder

LI Juan¹, LIU Xinchun¹, YU Zhisheng¹, YI Xin¹, JU Yiwen²

1. College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China;
2. College of Earth Science, University of Chinese Academy of Sciences, Beijing 100049, China

Received:2013-05-22 Revised:2013-09-30 Published:2014-07-15

摘要/Abstract

摘要：

采用煤渣静态吸附水中氟和砷.考察煤渣投加量、震荡时间、进水浓度和pH值对煤渣吸附性能的影响.实验结果表明，每100 mL污水较为合适的煤渣用量为6 g；煤渣对氟和砷的最佳吸附时间为3 h；对高氟水的吸附效果较好，对低氟水的去除效果相对较差；对高浓度及低浓度的砷均具有较好的吸附效果，去除率均达到95%以上；pH值对氟和砷的吸附影响不大.

关键词: 煤渣, 氟, 砷

Abstract:

The adsorption characteristics of coal cinder to fluorine and arsenic were studied with static adsorption experiments, and the influences of oscillation time, sorbent dosage, initial concentration, and pH on the adsorption characteristics were investigated. The results show that in the optimal processes sorbent dosage is 6 g and adsorption time is 3 h. Adsorption of fluorine by coal cinder is more effective at higher concentration of fluorine than at lower concentration. However, adsorption rates of arsenic are always more than 95%,whatever the initial concentrations. The acidity has little influence on the adsorption characteristics of fluorine and arsenic.

Key words: coal cinder, fluorine, arsenic

中图分类号:

X52
TE992.2

李娟, 刘新春, 余志晟, 易鑫, 琚宜文. 煤渣吸附水中氟和砷的研究[J]. 中国科学院大学学报, 2014, 31(4): 471-476.

LI Juan, LIU Xinchun, YU Zhisheng, YI Xin, JU Yiwen. Study on adsorption of fluorine and arsenic in water by coal cinder[J]. , 2014, 31(4): 471-476.

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煤渣吸附水中氟和砷的研究

Study on adsorption of fluorine and arsenic in water by coal cinder

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