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Effects of Cu(II) and Cd(II) on the performance of sequencing batch reactor treatment system

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Main Authors: Ong, Soon An, Lim, Poh Eng, Seng, Chye Eng, Makoto, Hirata, Tadashi, Hano
Other Authors: saong@unimap.edu.my
Format: Article
Language:English
Published: Elsevier B.V. 2016
Subjects:
Heavy metals
Sequencing batch reactor
SOUR
Wastewater treatment
Online Access:http://dspace.unimap.edu.my:80/xmlui/handle/123456789/42186
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spelling my.unimap-421862016-06-25T01:22:51Z Effects of Cu(II) and Cd(II) on the performance of sequencing batch reactor treatment system Ong, Soon An Lim, Poh Eng Seng, Chye Eng Makoto, Hirata Tadashi, Hano saong@unimap.edu.my Heavy metals Sequencing batch reactor SOUR Wastewater treatment Link to publisher's homepage at http://www.journals.elsevier.com/ The effects of Cu(II) and Cd(II)-containing wastewater on activated sludge microorganisms were investigated. The addition of Cu(II) and Cd(II) affected significantly the activities of activated sludge microorganisms in the bio-oxidation process, as indicated by drastic reduction in the specific oxygen uptake rate (SOUR) values. The sequencing batch reactor (SBR) system was operated with FILL, REACT, SETTLE, DRAW, and IDLE modes in the time ratio of 0.5:3.5:1.0:0.75:0.25 for one cycle time of 6 h. The addition of Cu(II) and Cd(II)-containing synthetic wastewater into the SBR system decreased the chemical oxygen demand (COD) and metals removal efficiencies. The examination of the pseudo first-order rate constant, k′, providing a quantitative estimate of the inhibitory effect of the metal, showed that the k′ value with the metals addition was around 10 times lower than that without metals addition. 2016-06-25T01:22:51Z 2016-06-25T01:22:51Z 2005-01 Article Process Biochemistry, vol.40 (1), 2005, pages 453-460 1359-5113 http://dspace.unimap.edu.my:80/xmlui/handle/123456789/42186 doi:10.1016/j.procbio.2004.01.021 en Elsevier B.V.
institution Universiti Malaysia Perlis
building UniMAP Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Perlis
content_source UniMAP Library Digital Repository
url_provider http://dspace.unimap.edu.my/
language English
topic Heavy metals
Sequencing batch reactor
SOUR
Wastewater treatment
spellingShingle Heavy metals
Sequencing batch reactor
SOUR
Wastewater treatment
Ong, Soon An
Lim, Poh Eng
Seng, Chye Eng
Makoto, Hirata
Tadashi, Hano
Effects of Cu(II) and Cd(II) on the performance of sequencing batch reactor treatment system
description Link to publisher's homepage at http://www.journals.elsevier.com/
author2 saong@unimap.edu.my
author_facet saong@unimap.edu.my
Ong, Soon An
Lim, Poh Eng
Seng, Chye Eng
Makoto, Hirata
Tadashi, Hano
format Article
author Ong, Soon An
Lim, Poh Eng
Seng, Chye Eng
Makoto, Hirata
Tadashi, Hano
author_sort Ong, Soon An
title Effects of Cu(II) and Cd(II) on the performance of sequencing batch reactor treatment system
title_short Effects of Cu(II) and Cd(II) on the performance of sequencing batch reactor treatment system
title_full Effects of Cu(II) and Cd(II) on the performance of sequencing batch reactor treatment system
title_fullStr Effects of Cu(II) and Cd(II) on the performance of sequencing batch reactor treatment system
title_full_unstemmed Effects of Cu(II) and Cd(II) on the performance of sequencing batch reactor treatment system
title_sort effects of cu(ii) and cd(ii) on the performance of sequencing batch reactor treatment system
publisher Elsevier B.V.
publishDate 2016
url http://dspace.unimap.edu.my:80/xmlui/handle/123456789/42186
_version_ 1643799638964174848
score 13.214268

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