Sources: Solidia Technologies, San Antonio, Texas; CP staff CTS Cement Manufacturing Corp., California-based producer of Rapid Set and Komponent specialty concrete binders, recently completed the first of a series of planned Solidia Cement production campaigns. A low limestone binder that gains strength through exposure to carbon dioxide and the attendant Read more…
Sources: TIME USA LLC, New York; CP staff TIME reporters and editors include in their inaugural TIME100 Climate list two officials 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, Read more…
Sources: Sublime Systems, Somerville, Mass.; CMCM staff A screening life cycle assessment (LCA) validates how Sublime Systems’ low temperature, electrolysis-enabled processing of calcium-bearing feeds yields a concrete-grade binder whose global warming potential (GWP) is less than one-tenth that of a typical portland cement. The most widely referenced metric in environmental Read more…
Sources: Solidia Technologies, San Antonio, Texas; CMCM staff San Francisco global climate solutions specialist 3Degrees Group Inc. has entered an agreement covering measurement, verification, and marketing of greenhouse gas emissions avoidance or reduction attributable to Solidia Technologies’ namesake cementitious materials and concrete. Credits from specifying the company’s portland cement substitute Read more…
Sources: Summit Materials Inc., Denver; PCC Hydrogen Inc., Louisville, Ky.; CMCM staff Summit Materials’ Continental Cement Co. subsidiary and PCC Hydrogen (PCCH2) are eyeing a fuel replacement strategy lowering carbon emissions from cement production. A strategic alliance calls for Continental Cement to provide expertise related to the use of fossil Read more…
Sources: Lafarge Canada Inc. and ATCOenergy/Canadian Utilities Ltd. Calgary; CMCM staff A 12.5-year virtual power purchase agreement will cover one-third of the annual electricity requirements of the Lafarge Canada Exshaw cement plant, a key supplier to Alberta and British Columbia construction markets, and entail the entire output of the ATCOenergy Read more…
Sources: Covalent, San Francisco; Carbon Limit, Boca Raton, Fla.; CMCM staff Citing launch of the first forward crediting platform for carbon removal (CDR) projects that ensure at least 1,000 years of permanence, climate technology startup Covalent is poised to connect innovators and new financing sources, starting with CaptureCrete developer Carbon Read more…
Sources: Materials Processing Institute, United Kingdom; CMCM staff Cambridge University researchers have conducted the first scrap-metal trial melt in the Materials Processing Institute (MPI) Cement 2 Zero project, aiming to prove the potential of portland cement clinker production using graded, recycled concrete material as flux in electric arc furnace (EAF) Read more…
Sources: Coolbrook Oy, Helsinki; CMCM staff Coolbrook reports success in the first phase of large-scale pilot RotoDynamic Heater (RDH) pilot tests, attaining a level of 1,000°C on a pathway toward a 1,700°C threshold equal to decarbonizing high-temperature iron, steel and cement processes by replacing fossil fuel combustion with electricity. With Read more…
Sources: Terra CO2 Technology, Boulder, Colo.; CMCM staff Asher Materials has secured an exclusive market license for the first commercial-scale facility dedicated to Terra CO2 Technology’s premier concrete binder, OPUS Supplementary Cementitious Material, equal to replacing up to 40 percent of higher carbon portland cement in mix designs. A definitive Read more…