| Title | Perceiving biobased plastics as an alternative and innovative solution to combat plastic pollution for a circular economy |
|---|---|
| ID_Doc | 21364 |
| Authors | Rajvanshi, J; Sogani, M; Kumar, A; Arora, S; Syed, Z; Sonu, K; Sen Gupta, N; Kalra, A |
| Title | Perceiving biobased plastics as an alternative and innovative solution to combat plastic pollution for a circular economy |
| Year | 2023 |
| Published | |
| Abstract | Plastic waste from fossil-based sources, including single-use packaging materials, is continuously accumulating in landfills, and leaching into the environment. A 2021 UN Environment Programme (UNEP) report suggests that the plastic pollution is likely to be doubled by 2030, posing a major challenge to the environment and the overall global plastic waste management efforts. The use of biobased plastics such as polyhydroxyalkanoates (PHAs) as a biodegrad-able substitute for petroleum-based plastics could be a feasible option to combat this issue which may further result in much lower carbon emissions and energy usage in comparison to conventional plastics as additional advantages. Though recent years have seen the use of microbes as biosynthetic machinery for biobased plastics, using various re-newable feedstocks, the scaled-up production of such materials is still challenging. The current study outlays applica-tions of biobased plastics, potential microorganisms producing biobased plastics such as Cupriavidus necator, Bacillus sp., Rhodopseudomonas palustris, microalgae, and mixed microbial cultures, and inexpensive and renewable resources as carbon substrates including industrial wastes. This review also provides deep insights into the operational parame-ters, challenges and mitigation, and future opportunities for maximizing the production of biobased plastic products. Finally, this review emphasizes the concept of biorefinery as a sustainable and innovative solution for biobased plastic production for achieving a circular bioeconomy. |
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