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ESGL Holdings Files Patent for Precious-Metal Recovery Technology in Singapore.
ByAinvest
Wednesday, Oct 8, 2025 8:12 am ET1min read
ESGL Holdings Limited, a leading carbon-neutral enviro-tech company, has filed a patent application with the Intellectual Property Office of Singapore to protect its proprietary precious-metal recovery technology. The technology uses high-temperature treatment and advanced resin systems to recover precious metals from acidic waste streams, with a lower environmental impact. This follows two years of R&D and the successful commercialization of the technology through the recovery of precious metal concentrates from semiconductor acid waste.
SINGAPORE, September 12, 2025 (GLOBE NEWSWIRE) — ESGL Holdings Limited (NASDAQ: ESGL), a leading carbon-neutral enviro-tech company specializing in transforming industrial waste into circular products, has filed a patent application with the Intellectual Property Office of Singapore (IPOS) to protect its proprietary precious-metal recovery technology. The application, reference number 10202502909X, aims to safeguard the company’s innovative method for treating acidic waste streams, particularly semiconductor acid waste [1].The patent filing follows more than two years of dedicated research and development (R&D), during which the technology was successfully commercialized. ESGL's proprietary process combines high-temperature treatment with advanced resin systems to efficiently recover precious metal concentrates from acidic waste streams, significantly reducing environmental impact [1].
Lawrence Law, Executive Director of ESGL, commented on the significance of the patent filing: "This milestone strengthens the protection of our technology and demonstrates that innovation can align with sustainability and economic value creation." The company has successfully turned semiconductor waste into valuable precious metal concentrates, which are later refined into pure precious metals by partner refineries [1].
The global precious metals e-waste recovery market, valued at US$20.76 billion in 2024, is projected to grow steadily through 2032, driven by demand from the electronics and semiconductor sectors [1]. Asia Pacific is expected to lead this growth, presenting a substantial market opportunity for ESGL to participate in and integrate into the value chain of precious-metal recovery, especially in high-value acid-based waste streams [1].
ESGL’s commitment to innovation, sustainability, and shareholder value creation is underscored by this development. The company intends to explore further applications of its recovery technology across various industrial sectors [1].
About ESGL Holdings Limited:
ESGL Holdings Limited is a Singapore-based carbon-neutral enviro-tech company dedicated to transforming industrial waste into circular products. With a focus on sustainable waste management solutions, ESGL is a leading player in the environmental solutions industry. For more information, including the Company’s filings with the SEC, please visit https://esgl.asia [1].
Forward-Looking Statements:
Certain statements in this press release may be considered forward-looking statements. These statements are based on the Company’s current beliefs, expectations, and assumptions and involve inherent risks and uncertainties. Actual results and outcomes may differ materially from those indicated in the forward-looking statements. For further details, please refer to the Company’s filings with the SEC [1].
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