Ammonium nitrogen removal from wastewater by biochar adsorption

被引：3
|
作者：
Zhang, Tao [1 ]
Li, Ping [1 ]
Fang, Ci [1 ]
Jiang, Rongfeng [1 ]
Wu, Shubiao [2 ]
Nie, Haiyu [3 ]
机构：
[1] China Agr Univ, Coll Resources & Environm Sci, Beijing 100193, Peoples R China
[2] China Agr Univ, Engn Coll, Beijing 100083, Peoples R China
[3] China Agr Univ, Coll Sci, Beijing 100083, Peoples R China
来源：
ADVANCES IN ENVIRONMENTAL TECHNOLOGIES, PTS 1-6 | 2013年 / 726-731卷
关键词：
adsorption; ammonium nitrogen; biochar; wastewater; CHEMICAL PRECIPITATION; PHOSPHATE; NITRATE; SOIL;
D O I：
10.4028/www.scientific.net/AMR.726-731.1679
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Ammonium nitrogen pollution is a key factor related to water eutrophication. In our works, biochar adsorption for ammonium nitrogen removal from wastewater has been investigated. Transmission Electron Microscope with energy dispersive X-ray spectroscopy, X-ray diffraction, and Fourier Transform Infrared spectroscopy was performed to characterize the prepared biochar. The optimal solution pH, and coexisting ions effect for ammonium nitrogen removal from wastewater was examined. Surface characterization demonstrated the obtained biochar was coarse, unshaped, irregular, and contained a great deal of carbon. With an increase in solution pH, biochar adsorption amount of ammonium nitrogen was decrease. With an increase in coexisting ions concentration, biochar adsorption amount of ammonium nitrogen was decrease.
引用
收藏
页码：1679 / +
页数：2
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