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Open Access Climate-Friendly Production of Cement: A Utopian Vision? Klimaschonende Produktion von Zement: eine Utopie?

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Cement is a mass construction material with large world-wide growth rates. At present its production contributes approximately eight percent of all global CO2 emissions (excluding the emissions caused by land use, land use change, and forestry). The cement industry has adopted many measures to reduce these emissions, such as technical improvements or use of secondary materials. In this article, it will be shown that these measures are not sufficient to stabilise or lower future CO2 emissions. CCS (Carbon Dioxide Capture and Storage) is currently being discussed for further improvements in reducing CO2 emissions. However, instead of focussing on this end of pipe technology, which has not yet been realised at cement plants, the development of low-CO2 cements produced with substantially lower CO2 emissions would be a more sustainable course provided these innovative cements have the potential to replace conventional cement.

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Keywords: CCS; CEMENT INDUSTRY; CLINKER SUBSTITUTES; CO2 EMISSIONS; LOW-CO2 CEMENTS; REDUCTION OPTIONS; SECONDARY FUELS

Language: German

Document Type: Research Article

Publication date: March 1, 2011

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  • GAIA is a peer-reviewed inter- and transdisciplinary journal for scientists and other interested parties concerned with the causes and analyses of environmental and sustainability problems and their solutions.

    Environmental problems cannot be solved by one academic discipline. The complex natures of these problems require cooperation across disciplinary boundaries. Since 1991, GAIA has offered a well-balanced and practice-oriented forum for transdisciplinary research. GAIA offers first-hand information on state of the art environmental research and on current solutions to environmental problems. Well-known editors, advisors, and authors work to ensure the high quality of the contributions found in GAIA and a unique transdisciplinary dialogue – in a comprehensible style.

    GAIA is an ISI-journal, listed in the Science Citation Index Expanded, Social Science Citation Index and in Current Contents/Social and Behavioral Sciences.

    All contributions undergo a double-blind peer review.

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