2025: Net Zero Discussion Series
Author: A. James Spurway – Co-Founder and CIO/CFO of Eco Solutions Capital, Inc.
Executive Summary
Singapore faces a critical challenge in managing its escalating plastic waste, with only a marginal 5-6% currently being recycled or upcycled. The prevailing disposal methods of incineration and landfilling impose significant environmental burdens, including substantial greenhouse gas emissions and potential long-term contamination. This report assesses advanced plastic waste valorization technologies, focusing on plastic-to-fuel (pyrolysis) and alternative high-value byproduct pathways, to identify sustainable and economically viable solutions for Singapore’s municipal solid waste (MSW) and commercial and industrial (C&I) waste streams.
The analysis indicates that while pyrolysis offers a robust method to convert untreated plastic waste into hydrocarbon oil, achieving fuel specifications akin to D2 or D6 diesel necessitates rigorous post-processing and refining. Leading Chinese suppliers, such as HUAYIN Renewable Energy Equipment Co., Ltd. and Beston Group, offer a range of pyrolysis plants with varying capacities and integrated innovations to enhance operational efficiency and product quality, particularly for mixed feedstocks.
Beyond fuel, the report explores alternative high-value outputs, including the chemical recycling of plastic waste into virgin-grade monomers for new plastics, the upcycling into advanced carbon nanomaterials like graphene and carbon nanotubes, and the production of high-purity hydrogen fuel. These pathways often present higher market value and contribute more directly to a circular economy, offering compelling economic models.
A comprehensive economic and environmental assessment reveals that while initial capital investments can be substantial, the long-term profitability of these technologies is promising, driven by product market prices and operational efficiencies. The environmental benefits, primarily through waste diversion and reduced emissions compared to conventional disposal, are significant. The report concludes with tailored recommendations for Singapore, emphasizing strategic investment in integrated solutions that balance feedstock characteristics with desired product quality, leveraging technological advancements for sustained operational reliability and market diversification.
If you would like to know more, please download the full 34-page report.
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This blog on Extended Producer Responsibility (EPR) credits and Certified Emission Reduction (CER) credits might be very useful as well.
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