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News Study shows heavy metals equally present in CEM-I and CEM-II cement

Study shows heavy metals equally present in CEM-I and CEM-II cement

Written by Global Cement staff 27 January 2021
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Tunisia: Carthage University, Ciments de Bizerte, the Tunisian Ministry of Higher Education and Scientific Research and the University of Algarve faculty of science and technology have concluded a study into the heavy metal content of CEM-I and CEM-II cement. The study found that both types of cement contain traces of arsenic, barium, boron, cadmium, chromium, copper, manganese, nickel, lead, strontium and zinc in equal measure, according to the Journal of Engineering.

Carthage University said, "Heavy metals in cement can originate from a variety of processes in production, including their initial presence in raw materials and fuel, incorporation into kiln refractory brick, metal erosion from the raw material grinding process and in additives such as gypsum, as well as cement kiln dust."

Published in Global Cement News
Tagged under
  • Tunisia
  • Research
  • Ciments de Bizerte
  • Carthage University
  • Government
  • University of Algarve
  • GCW490

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