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Identification of microbial inhibitions and mitigation strategies towards cleaner bioconversions of palm oil mill effluent (POME): A review

Flourishing oil palm agroindustry inevitably produces voluminous pollutant-laden palm oil mill effluent(POME), which often treated by obsolete open ponding. By introducing foreign microbes, POME bio-conversions confer simultaneous valorization and remediation of POME; however, environmental-sensitiv...

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Main Authors: Yoke, Wang Cheng, Chi, Cheng Chong, Man, Kee Lam, Wai, Hong Leong, Lai, Fatt Chuah, Suzana, Yusup, Setiabudi, H. D., Tang, Yuanyuan, Jun, Wei Lim
Format: Article
Language:English
Published: Elsevier 2021
Subjects:
TP Chemical technology
Online Access:http://umpir.ump.edu.my/id/eprint/29637/1/Identification%20of%20microbial%20inhibitions.pdf
http://umpir.ump.edu.my/id/eprint/29637/
https://doi.org/10.1016/j.jclepro.2020.124346
https://doi.org/10.1016/j.jclepro.2020.124346
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spelling my.ump.umpir.296372022-04-22T03:44:50Z http://umpir.ump.edu.my/id/eprint/29637/ Identification of microbial inhibitions and mitigation strategies towards cleaner bioconversions of palm oil mill effluent (POME): A review Yoke, Wang Cheng Chi, Cheng Chong Man, Kee Lam Wai, Hong Leong Lai, Fatt Chuah Suzana, Yusup Setiabudi, H. D. Tang, Yuanyuan Jun, Wei Lim TP Chemical technology Flourishing oil palm agroindustry inevitably produces voluminous pollutant-laden palm oil mill effluent(POME), which often treated by obsolete open ponding. By introducing foreign microbes, POME bio-conversions confer simultaneous valorization and remediation of POME; however, environmental-sensitive microbes are prone to microbial inhibitions, which can upset the bioconversion. Herein, upto eight possible microbial inhibitions of POME bioconversions are identified and detailed after holisticreview of multitudinous bioconversion routes. Potential microbial inhibitions include oil encapsulation,chemical inhibition, physical disruption, strict oxygen preference (O2toxicity/deficiency), extremetemperature (cold/thermal denaturation), extreme pH (acid/alkali toxicity), extreme salinity, and pho-toinactivation. To lessen microbial inhibitions in POME bioconversions, constructive mitigation strategiesare classified into three aspects,viz.substrate aspects (debris removal, supplementation, dilution, pre-treatments,&co-substrates addition), microbial aspects (mixed cultures, immobilization, granulation,&gradual acclimation), and process aspects (thermophilic anaerobic/mesophilic aerobic pairs, continuousoperation, pH control/adjustment, biosludge recycling/entrapment,&additional bioreactor). In authors’opinion, genetically modified microbes (GMM) application in POME bioconversions might be a promisingresearch direction. Aforesaid superbugs can be engineered for efficient bioremediation, rapid prolifera-tion, and high adaptability, which likely resolve all the aforesaid microbial inhibitions via geneticengineering Elsevier 2021 Article PeerReviewed pdf en http://umpir.ump.edu.my/id/eprint/29637/1/Identification%20of%20microbial%20inhibitions.pdf Yoke, Wang Cheng and Chi, Cheng Chong and Man, Kee Lam and Wai, Hong Leong and Lai, Fatt Chuah and Suzana, Yusup and Setiabudi, H. D. and Tang, Yuanyuan and Jun, Wei Lim (2021) Identification of microbial inhibitions and mitigation strategies towards cleaner bioconversions of palm oil mill effluent (POME): A review. Journal of Cleaner Production, 280 (Part 1). pp. 1-23. ISSN 0959-6526 (print), 1879-1786 (online) https://doi.org/10.1016/j.jclepro.2020.124346 https://doi.org/10.1016/j.jclepro.2020.124346
institution Universiti Malaysia Pahang
building UMP Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Pahang
content_source UMP Institutional Repository
url_provider http://umpir.ump.edu.my/
language English
topic TP Chemical technology
spellingShingle TP Chemical technology
Yoke, Wang Cheng
Chi, Cheng Chong
Man, Kee Lam
Wai, Hong Leong
Lai, Fatt Chuah
Suzana, Yusup
Setiabudi, H. D.
Tang, Yuanyuan
Jun, Wei Lim
Identification of microbial inhibitions and mitigation strategies towards cleaner bioconversions of palm oil mill effluent (POME): A review
description Flourishing oil palm agroindustry inevitably produces voluminous pollutant-laden palm oil mill effluent(POME), which often treated by obsolete open ponding. By introducing foreign microbes, POME bio-conversions confer simultaneous valorization and remediation of POME; however, environmental-sensitive microbes are prone to microbial inhibitions, which can upset the bioconversion. Herein, upto eight possible microbial inhibitions of POME bioconversions are identified and detailed after holisticreview of multitudinous bioconversion routes. Potential microbial inhibitions include oil encapsulation,chemical inhibition, physical disruption, strict oxygen preference (O2toxicity/deficiency), extremetemperature (cold/thermal denaturation), extreme pH (acid/alkali toxicity), extreme salinity, and pho-toinactivation. To lessen microbial inhibitions in POME bioconversions, constructive mitigation strategiesare classified into three aspects,viz.substrate aspects (debris removal, supplementation, dilution, pre-treatments,&co-substrates addition), microbial aspects (mixed cultures, immobilization, granulation,&gradual acclimation), and process aspects (thermophilic anaerobic/mesophilic aerobic pairs, continuousoperation, pH control/adjustment, biosludge recycling/entrapment,&additional bioreactor). In authors’opinion, genetically modified microbes (GMM) application in POME bioconversions might be a promisingresearch direction. Aforesaid superbugs can be engineered for efficient bioremediation, rapid prolifera-tion, and high adaptability, which likely resolve all the aforesaid microbial inhibitions via geneticengineering
format Article
author Yoke, Wang Cheng
Chi, Cheng Chong
Man, Kee Lam
Wai, Hong Leong
Lai, Fatt Chuah
Suzana, Yusup
Setiabudi, H. D.
Tang, Yuanyuan
Jun, Wei Lim
author_facet Yoke, Wang Cheng
Chi, Cheng Chong
Man, Kee Lam
Wai, Hong Leong
Lai, Fatt Chuah
Suzana, Yusup
Setiabudi, H. D.
Tang, Yuanyuan
Jun, Wei Lim
author_sort Yoke, Wang Cheng
title Identification of microbial inhibitions and mitigation strategies towards cleaner bioconversions of palm oil mill effluent (POME): A review
title_short Identification of microbial inhibitions and mitigation strategies towards cleaner bioconversions of palm oil mill effluent (POME): A review
title_full Identification of microbial inhibitions and mitigation strategies towards cleaner bioconversions of palm oil mill effluent (POME): A review
title_fullStr Identification of microbial inhibitions and mitigation strategies towards cleaner bioconversions of palm oil mill effluent (POME): A review
title_full_unstemmed Identification of microbial inhibitions and mitigation strategies towards cleaner bioconversions of palm oil mill effluent (POME): A review
title_sort identification of microbial inhibitions and mitigation strategies towards cleaner bioconversions of palm oil mill effluent (pome): a review
publisher Elsevier
publishDate 2021
url http://umpir.ump.edu.my/id/eprint/29637/1/Identification%20of%20microbial%20inhibitions.pdf
http://umpir.ump.edu.my/id/eprint/29637/
https://doi.org/10.1016/j.jclepro.2020.124346
https://doi.org/10.1016/j.jclepro.2020.124346
_version_ 1731225774661304320
score 13.211869

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