Review of sustainable methane mitigation and biopolymer production

Obulisamy Parthiba Karthikeyan, Karthigeyan Chidambarampadmavathy, Samuel Cirés, Kirsten Ruth Heimann

Research output: Contribution to journalArticle

54 Citations (Scopus)

Abstract

Biological methane (CH4) mitigation combined with biopolymer (PHA-polyhydroxyalkaonate/PHB-polyhydroxybutyrate) production is a viable option in this fossil fuel-constrained era. Methantrophs are bacteria that can re-route CH4 into PHA/PHB under nutrient-starved conditions. However, most studies (up to 90%) investigated pure cultures to demonstrate capacity for PHA/PHB accumulation, which on an industrial scale is unlikely to be serviceable. Furthermore, commercialization is handicapped as there are still a number of unresolved issues which affect productivities, such as optimized process variables, characterization of robust consortia, and optimized reactor design. This review will summarize existing knowledge and highlight research needs to fast track methanotrophic PHA/PHB production from CH4.

Original languageEnglish
Pages (from-to)1579-1610
Number of pages32
JournalCRITICAL REVIEWS IN ENVIRONMENTAL SCIENCE AND TECHNOLOGY
Volume45
Issue number15
DOIs
Publication statusPublished - 2015

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