Chemical Composition and Heavy Metal Content of Portland Cement in Northern Tunisia

Document Type: Research Article

Authors

1 Laboratory of Biomonitoring of the Environment. Coastal Ecology and Ecotoxicology Unit, Carthage University, Faculty of Sciences of Bizerte, Zarzouna7021, TUNISIA

2 Laboratory quality control, cement Bizerte Baie Sabera, 7018 Bizerte, TUNISIA

3 Centre for Marine and Environmental Research (CIMA), Faculty of Sciences and Technology, University of Algarve, Portugal Campus de Gambelas 8005-139 Faro, PORTUGAL

4 Laboratory of Biomonitoring of the Environment. Coastal Ecology and Ecotoxicology Unit, Carthage University, Faculty of Sciences of Bizerte, Zarzouna7021

Abstract

This study aims to determine the major elements of Portland cement type I and II (CEMI and CEMII) in a cement factory in north Tunisia and which metal elements are introduced into the production process. We determine also the metal input rate and their distribution at the entrance and exit of the process. The major elements were analyzed and the trace elements (Arsenic, barium, lead, mercury, boron, strontium, Cadmium, Chromium, copper, manganese, nickel, and zinc) were identified. The concentrations of heavy metals in CEMI showed no significant difference p

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