Characterization of badinsk zeolite and its use for removal of phosphorus and nitrogen compounds from wastewater

被引：0
作者：
Novikova A. [1 ]
Nazarenko O. [1 ]
Vtorushina A. [1 ]
Zadorozhnaya T. [1 ]
机构：
[1] Tomsk Polytechnic University, 30 Lenin Avenue, Tomsk
来源：
Materials Science Forum | 2019年 / 970卷
关键词：
Characterization; Natural zeolite; Phosphorus and nitrogen compounds; Wastewater;
D O I：
10.4028/www.scientific.net/MSF.970.7
中图分类号：
学科分类号：
摘要：
The characterization of natural zeolite from Badinsk deposit was carried out by means of X-ray diffraction, scanning electronic microscopy, thermal analysis, Fourier transform infrared spectroscopy. The possibility of water purification from phosphates in dynamic conditions using of natural zeolite as a filtering bed was studied. The effect of the filtration rate of phosphates solution on purification efficiency is investigated. The mechanism of phosphates and ammonium removal with the participation of the zeolite is discussed: in case of phosphates it is the formation of insoluble compounds by reacting of calcium cations and phosphate anions; in case of ammonium ions it is ion exchange. © 2019 Trans Tech Publications Ltd, Switzerland.
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页码：7 / 16
页数：9
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