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Biological denitrification in drinking water using Glycyrrhiza glabra and Arunda donax as the carbon source

Paper ID Volume ID Publish Year Pages File Format Full-Text
36413 45132 2006 6 PDF Available
Title
Biological denitrification in drinking water using Glycyrrhiza glabra and Arunda donax as the carbon source
Abstract

In this research, two natural organic substances; liquorice (Glycyrrhiza glabra) and giant reed (Arundo donax) were investigated as a carbon source in the biological denitrification of drinking water. These materials act as a solid substrate and bio-film carrier. The experiments were carried out in batch, semi-batch and continuous processes. Complete denitrification was achieved with G. glabra. The removal efficiency of A. donax varied between 87 and 100% according to the type of process used. It was found that the nitrate removal rate of G. glabra was 6.96 mg/(L day) N-NO3 and the nitrate removal rate of A. donax was 4.23 mg/(L day) N-NO3. Results showed that these organic substrates could be used as an alternative carbon source for denitrification with complex process control and continuous monitoring. It should be noted that carbon source should be changed periodically for the continuation of the process.

Keywords
Biological denitrification; Carbon source drinking water; Giant reed Arundo donax; Liquorice; Glycyrrhiza glabra
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Publisher
Database: Elsevier - ScienceDirect
Journal: Process Biochemistry - Volume 41, Issue 7, July 2006, Pages 1539–1544
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
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Price was $35.95
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Full-text PDF Download
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Any Questions? feel free to contact us