HOMERUN RESOURCES INC. ANNOUNCES FUTURE PRODUCTION OF 100% ANTIMONY
Homerun''s technical partners advise that the Company will produce solar glass that is 100% free of added antimony from the initiation of production. Equipment and furnace
World Health Organization (WHO): A limit of 5 ppb. California Environmental Protection Agency (CalEPA): A public health goal of 1 ppb for Antimony. Proportion of Antimony in solar glass is typically 0.2% to 0.3% (2 to 3 million ppb). Each PV module has a front glass weighing about 16 kg and thus an Antimony content of 32 to 48 grams.
The U.S. could also implement a threshold for antimony levels in solar glass, gradually reducing the allowable amount over time. This would encourage manufacturers to phase out the use of antimony in their production processes and facilitate more straightforward recycling in U.S. facilities.
This makes recycling solar glass with antimony both costly and technically challenging. Transporting glass cullets (crushed glass ready for recycling) also presents a logistical challenge, as their low density makes transport costly and inefficient. What is the regulatory support for solar glass recycling?
To address these challenges, the ESIA Recommendation paper suggests that the European Union should consider mandating PV module manufacturers under the upcoming Ecodesign regulations to disclose the composition and manufacturing process of solar glass, including additives like antimony compounds.
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