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Queens Carbon develops a process for producing lower-carbon cement.
Queens Carbon uses a patented hydrothermal process intended to reduce the temperature and energy needed for cement production. Its Q-System platform is designed for cement manufacturers, construction firms, and other building material users. Founded in 2022, the company is based in the US. In April 2025, it raised USD 10.000 mn in Seed funding led by Clean Energy Ventures, with participation from Plug and Play Ventures and Buzzi Unicem USA Inc. Master Trust.
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