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Separation and recovery of organic acids from fermented kitchen waste by an integrated process

Organic acids produced from anaerobic digestion of kitchen waste were recovered using a new integrated method which consisted of freezing and thawing, centrifugation, filtration and evaporation. The main organic acid produced was lactic acid (98%). After the freezing and thawing process, 73% of the...

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Main Authors: Omar, Farah Nadia, Abdul Rahman, Nor'aini, Hafid, Halimatun Saadiah, Phang, Lai Yee, Hassan, Mohd Ali
Format: Article
Language:English
Published: Academic Journals 2009
Online Access:http://psasir.upm.edu.my/id/eprint/16670/1/16670.pdf
http://psasir.upm.edu.my/id/eprint/16670/
http://www.academicjournals.org/journal/AJB/article-abstract/A8777188619
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spelling my.upm.eprints.166702017-11-14T06:03:14Z http://psasir.upm.edu.my/id/eprint/16670/ Separation and recovery of organic acids from fermented kitchen waste by an integrated process Omar, Farah Nadia Abdul Rahman, Nor'aini Hafid, Halimatun Saadiah Phang, Lai Yee Hassan, Mohd Ali Organic acids produced from anaerobic digestion of kitchen waste were recovered using a new integrated method which consisted of freezing and thawing, centrifugation, filtration and evaporation. The main organic acid produced was lactic acid (98%). After the freezing and thawing process, 73% of the total suspended solids were removed and the organic acids were elevated from 59.0 to 70 g/L. The evaporation technique was used to further concentrate the organic acids up to 224 g/L. Using the integrated recovery method, the reduction of the total suspended solids in the solution achieved was about 93%. The material balance for the recovery process was also presented. Academic Journals 2009 Article PeerReviewed application/pdf en http://psasir.upm.edu.my/id/eprint/16670/1/16670.pdf Omar, Farah Nadia and Abdul Rahman, Nor'aini and Hafid, Halimatun Saadiah and Phang, Lai Yee and Hassan, Mohd Ali (2009) Separation and recovery of organic acids from fermented kitchen waste by an integrated process. African Journal of Biotechnology, 8 (21). art. no. A8777188619. pp. 5807-5813. ISSN 1684–5315 http://www.academicjournals.org/journal/AJB/article-abstract/A8777188619 10.5897/AJB09.992
institution Universiti Putra Malaysia
building UPM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Putra Malaysia
content_source UPM Institutional Repository
url_provider http://psasir.upm.edu.my/
language English
description Organic acids produced from anaerobic digestion of kitchen waste were recovered using a new integrated method which consisted of freezing and thawing, centrifugation, filtration and evaporation. The main organic acid produced was lactic acid (98%). After the freezing and thawing process, 73% of the total suspended solids were removed and the organic acids were elevated from 59.0 to 70 g/L. The evaporation technique was used to further concentrate the organic acids up to 224 g/L. Using the integrated recovery method, the reduction of the total suspended solids in the solution achieved was about 93%. The material balance for the recovery process was also presented.
format Article
author Omar, Farah Nadia
Abdul Rahman, Nor'aini
Hafid, Halimatun Saadiah
Phang, Lai Yee
Hassan, Mohd Ali
spellingShingle Omar, Farah Nadia
Abdul Rahman, Nor'aini
Hafid, Halimatun Saadiah
Phang, Lai Yee
Hassan, Mohd Ali
Separation and recovery of organic acids from fermented kitchen waste by an integrated process
author_facet Omar, Farah Nadia
Abdul Rahman, Nor'aini
Hafid, Halimatun Saadiah
Phang, Lai Yee
Hassan, Mohd Ali
author_sort Omar, Farah Nadia
title Separation and recovery of organic acids from fermented kitchen waste by an integrated process
title_short Separation and recovery of organic acids from fermented kitchen waste by an integrated process
title_full Separation and recovery of organic acids from fermented kitchen waste by an integrated process
title_fullStr Separation and recovery of organic acids from fermented kitchen waste by an integrated process
title_full_unstemmed Separation and recovery of organic acids from fermented kitchen waste by an integrated process
title_sort separation and recovery of organic acids from fermented kitchen waste by an integrated process
publisher Academic Journals
publishDate 2009
url http://psasir.upm.edu.my/id/eprint/16670/1/16670.pdf
http://psasir.upm.edu.my/id/eprint/16670/
http://www.academicjournals.org/journal/AJB/article-abstract/A8777188619
_version_ 1643826283196448768
score 13.211869

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