| Title | Carbon dioxide and methane as carbon source for the production of polyhydroxyalkanoates and concomitant carbon fixation |
|---|---|
| ID_Doc | 7854 |
| Authors | Ma, R; Li, J; Tyagi, R; Zhang, XL |
| Title | Carbon dioxide and methane as carbon source for the production of polyhydroxyalkanoates and concomitant carbon fixation |
| Year | 2024 |
| Published | |
| Abstract | The currently used plastics are non-biodegradable, and cause greenhouse gases (GHGs) emission as they are petroleum-based. Polyhydroxyalkanoates (PHAs) are biopolymers with excellent biodegradability and biocompatibility, which can be used to replace petroleum-based plastics. A variety of microorganisms have been found to synthesize PHAs by using typical GHGs: carbon dioxide and methane as carbon sources. Converting carbon dioxide (CO2) and methane (CH4) to PHAs is an attractive option for carbon capture and biodegradable plastic production. In this review, the microorganisms capable of using CO2 and CH4 to produce PHAs were summarized. The metabolic mechanism, PHAs production process, and the factors influencing the production process are illustrated. The currently used optimization techniques to improve the yield of PHAs are discussed. The challenges and future prospects for developing economically viable PHAs production using GHGs as carbon source are identified. This work provides an insight for achieving carbon sequestration and bioplastics based circular economy. |
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