The production of polyhydroxyalkanoates using volatile fatty acids derived from the acidogenic biohydrogen effluents: An overview

被引：9

作者：

Sekoai, Patrick ^{[1
]}

Ezeokoli, Obinna ^{[2
]}

Yoro, Kelvin ^{[3
]}

Eterigho-Ikelegbe, Orevaoghene ^{[4
]}

Habimana, Olivier ^{[5
]}

Iwarere, Samuel ^{[6
]}

Daramola, Michael ^{[6
]}

Ojumu, Tunde ^{[1
]}

机构：

[1] Cape Peninsula Univ Technol, Dept Chem Engn, ZA-7535 Cape Town, South Africa

[2] North West Univ, Unit Environm Sci & Management, ZA-2520 Potchefstroom, South Africa

[3] Lawrence Berkeley Natl Lab, Energy Technol Area, 1 Cyclotron Rd, Berkeley, CA 94720 USA

[4] Univ Witwatersrand, Fac Engn & Built Environm, Sch Chem & Met Engn, DSI NRF SARChI Clean Coal Technol Res Grp, ZA-2050 Johannesburg, South Africa

[5] Univ Hong Kong, Sch Biol Sci, Pokfulam, Hong Kong, Peoples R China

[6] Univ Pretoria, Fac Engn, Dept Chem Engn, Built Environm & Informat Technol, ZA-0028 Hatfield, South Africa

来源：

BIORESOURCE TECHNOLOGY REPORTS | 2022年 / 18卷

关键词：

Acidogenic fermentation; Polyhydroxyalkanoates; Volatile fatty acids; CHAIN-LENGTH POLYHYDROXYALKANOATES; MIXED CULTURES; PHA PRODUCTION; CUPRIAVIDUS-NECATOR; WASTE-WATER; MICROBIAL COMMUNITY; RETENTION TIME; SCALING-UP; FOOD WASTE; POLY(3-HYDROXYBUTYRATE);

D O I：

10.1016/j.biteb.2022.101111

中图分类号：

Q81 [生物工程学（生物技术）]; Q93 [微生物学];

学科分类号：

071005 ; 0836 ; 090102 ; 100705 ;

摘要：

Biohydrogen production is regarded as the cleanest process of producing H2 due to its non-polluting features and its ability to valorize wastes. However, its industrialization remains stagnant due to the process barriers facing this technology. Research is now geared towards the beneficiation of acidogenic-derived metabolites to improve its competitiveness. The acidogenic effluents consist of chemical precursors known as volatile fatty acids (VFAs), which can serve as cheap substrates for polyhydroxyalkanoates (PHAs). PHAs are emerging as a potential replacement for petroleum-based plastics due to their environmental friendliness, biodegradability, and costeffectiveness. This overview discusses the synthesis of PHAs using acidogenic-derived VFAs as a carbon source. It examines the setpoint parameters that affect the recovery of PHAs using VFAs that are obtained from acidogenic effluents. Furthermore, the challenges that hinder the industrialization of PHAs are elucidated. The paper concludes by providing suggestions that could fast-track the development of PHAs using waste effluents.

引用

页数：12

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