NDLI: Wastewater purification of biogenic elements

Content Provider	Springer Nature Link
Author	Balakina, M. N. Kucheruk, D. D. Bilyk, Yu. S. Osipenko, V. O. Shkavro, Z. N. Aleksandrov, M. V. Goncharuk, V. V.
Copyright Year	2013
Abstract	The retention capacity of the ESPA-1 membrane for nitrates, nitrites, ammonium, and phosphates has been investigated. Its application was shown to be most effective for the removal of phosphates. In this case the membrane retention capacity amounts to ∼99.8%. Nitrates are removed on conditions of up to the 90% permeate conversion in case of their initial concentration of 400 mg/dm$^{3}$ and up to the 70% conversion in the interval of initial concentrations of 400–700 mg/dm$^{3}$. In the case of the initial concentration of ammonium ions equal to 300 mg/dm$^{3}$ and 400 mg/dm$^{3}$ their removal is possible up to the 70% and 60% permeate conversions, respectively. In relation to nitrites this membrane shows a low retention capacity; however the preliminary oxidation of the latter to nitrates makes it possible to ensure their sufficiently effective removal.
Starting Page	215
Ending Page	221
Page Count	7
File Format	PDF
ISSN	1063455X
Journal	Journal of Water Chemistry and Technology
Volume Number	35
Issue Number	5
e-ISSN	1934936X
Language	English
Publisher	Springer US
Publisher Date	2013-11-07
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Ammonium nitrates nitrites reverse osmosis phosphates Waste Water Technology Water Pollution Control Water Management Aquatic Pollution Water Industry/Water Technologies Industrial Chemistry/Chemical Engineering
Content Type	Text
Resource Type	Article
Subject	Chemistry Water Science and Technology

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