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Microbial reduction of perchlorate w...

Son, Ahjeong.

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Microbial reduction of perchlorate with elemental iron.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Microbial reduction of perchlorate with elemental iron./
Author:	Son, Ahjeong.
Description:	152 p.
Notes:	Source: Dissertation Abstracts International, Volume: 66-12, Section: B, page: 6846.
Contained By:	Dissertation Abstracts International66-12B.
Subject:	Engineering, Environmental. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3200522
ISBN:	9780542449871

Microbial reduction of perchlorate with elemental iron.
Son, Ahjeong.

Microbial reduction of perchlorate with elemental iron. - 152 p.

Source: Dissertation Abstracts International, Volume: 66-12, Section: B, page: 6846.

Thesis (Ph.D.)--University of Delaware, 2006.

Perchlorate contamination in aquatic system is a growing concern due to the significant human health and ecological risks associated with exposure to high levels of perchlorate. US EPA has identified perchlorate users and manufacturers in 44 states and reported perchlorate releases in at least 20 states. This perchlorate contamination may affect the drinking water supplies of at least 15 million people. Perchlorate is not only chemically stable in natural water, but also extremely soluble and mobile, accordingly, only a limited number of technologies are capable of removing perchlorate from water. In the matter of limitation to cost and applicability, microbial treatment of perchlorate has been recognized as a promising technology in recent years. The central requirement of biological perchlorate treatment is a supply of electron donors for perchlorate reducing bacteria (PRB).

ISBN: 9780542449871Subjects--Topical Terms:

783782
Engineering, Environmental.

Microbial reduction of perchlorate with elemental iron.
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020 $a 9780542449871
035 $a (UnM)AAI3200522
035 $a AAI3200522
040 $a UnM $c UnM
100 1 $a Son, Ahjeong. $3 1915553
245 1 0 $a Microbial reduction of perchlorate with elemental iron.
300 $a 152 p.
500 $a Source: Dissertation Abstracts International, Volume: 66-12, Section: B, page: 6846.
500 $a Adviser: Daniel K. Cha.
502 $a Thesis (Ph.D.)--University of Delaware, 2006.
520 $a Perchlorate contamination in aquatic system is a growing concern due to the significant human health and ecological risks associated with exposure to high levels of perchlorate. US EPA has identified perchlorate users and manufacturers in 44 states and reported perchlorate releases in at least 20 states. This perchlorate contamination may affect the drinking water supplies of at least 15 million people. Perchlorate is not only chemically stable in natural water, but also extremely soluble and mobile, accordingly, only a limited number of technologies are capable of removing perchlorate from water. In the matter of limitation to cost and applicability, microbial treatment of perchlorate has been recognized as a promising technology in recent years. The central requirement of biological perchlorate treatment is a supply of electron donors for perchlorate reducing bacteria (PRB).
520 $a It is hypothesized that perchlorate reducing bacteria in microbial mixed culture will reduce perchlorate with zero-valent iron as an electron donor, since zero-valent iron will produce hydrogen gas that is necessary for microbial reduction of perchlorate anaerobically. An innovative electron donor for perchlorate treatment is of interest because conventional microbial treatment technology chose acetate or hydrogen, which needs to be fed continuously, is expensive and unsafe to handle. In this research, investigations have been made into evaluation of the potential applicability of zero-valent iron as the electron donor for microbial perchlorate reduction, into characterization of dominant microbial organisms for the perchlorate reduction by gene-level phylogenetic analysis and FAME techniques, and into elucidation of microbial population dynamics for the design and optimization of engineered systems. The final study has demonstrated the practical and long-term perchlorate reduction in the pilot-scale reactor. (Abstract shortened by UMI.)
590 $a School code: 0060.
650 4 $a Engineering, Environmental. $3 783782
650 4 $a Biology, Microbiology. $3 1017734
690 $a 0775
690 $a 0410
710 2 0 $a University of Delaware. $3 1017826
773 0 $t Dissertation Abstracts International $g 66-12B.
790 1 0 $a Cha, Daniel K., $e advisor
790 $a 0060
791 $a Ph.D.
792 $a 2006
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3200522