California-based Brimstone announced that its deeply decarbonized cement manufacturing process will now also produce smelter grade alumina – marking a major industrial milestone in the United States
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Brimstone said that its deeply decarbonized cement manufacturing process will also produce smelter-grade alumina – marking a major industrial milestone in the United States as the plant could represent the first new, domestic source of the product in a generation.
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Two start-ups using limestone alternative feedstocks and processing methods for proprietary concrete binders are poised to receive Energy Department Office of Clean Energy Demonstrations (OCED) awards supporting projects that reduce or offset carbon dioxide emissions associated with portland cement production. Following a late-March agency announcement, Brimstone Energy and Sublime Systems can negotiate with OCED officials for respective $187 million and…
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TIME reporters and editors include in their inaugural TIME100 Climate list two executives of startup companies developing low carbon, specification-grade binders for full replacement of portland cement in concrete: Brimstone Vice President of Materials Science & Geology Marcelo De Oliveira, Ph.D.; and, Sublime Systems Co-Founder and Massachusetts Institute of Technology Professor of Materials Science and Engineering Yet-Ming Chiang.
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Brimstone has received third-party certification that its portland cement processed from calcium silicate rock meets or exceeds ASTM C150, Standard Specification for Portland Cement.
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