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Feasibility Analysis of Importing PHA instead of PE in Singapore

Academic Journal of Science and Technology 2023 2 citations ? Citation count from OpenAlex, updated daily. May differ slightly from the publisher's own count.
Shuyan Liu, Jiahao Luo, Qiaoyu Song, Ronglin Qiao, Xiaoyu Wang, Yuanzhe Li

Summary

This feasibility analysis examines replacing polyethylene plastic with polyhydroxyalkanoate (PHA), a biodegradable bioplastic, in Singapore's packaging and disposables sector. The article compares PHA against other bio-based alternatives like PLA and assesses the economic and transformation challenges of the switch.

This article presents a comprehensive examination of Singapore's thriving service and transportation sectors, with a particular focus on the increasing demand for packaging and disposable goods. The subsequent heavy reliance on polyethylene (PE) is emphasized. Subsequently, the article delves into the ecological consequences associated with the widespread use of PE in Singapore. This encompasses considerations such as ecological space occupancy, plastic pollution, and greenhouse gas emissions. In response to these pressing challenges, the article suggests practical solutions. With a strong emphasis on environmental concerns, the article promotes the adoption of polyhydroxyalkanoates (PHA) as a feasible and eco-friendly alternative to the environmentally detrimental PE. This proposal is juxtaposed with a comprehensive comparative analysis of other renewable materials like polylactic acid (PLA) and PHA, critically evaluating their innovative potential and inherent limitations. To ensure the successful implementation of the proposed solutions, the article presents a diverse range of resource management strategies. Additionally, the article outlines a clear pathway for transitioning and upgrading Singapore's existing polyethylene products. It offers well-founded explanations and recommendations for advancing industries while comparing the feasibility, financial aspects, transformation challenges, and strategies between the LDPE and PHA sectors. The article culminates in a meticulous simulation that calculates the financial requirements for a complete shift from PE to PHA in Singapore by 2021, along with the subsequent cost implications for the packaging industry. These rigorous analyses and calculations provide precise quantitative guidance, aiding policymakers, entrepreneurs, and decision-makers in making well-informed decisions for transformative initiatives.

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