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Challenging mercury: emission limits and measures

World Cement, 13 April 2015

Within the process of implementing the Minamata Convention on a UN level, technical guidelines regarding BAT/BEP (Best Environmental Procedures) in relevant industry sectors are currently being developed. These guidelines aim at supporting governments, especially of developing/emerging countries, to later implement the Convention into national legislation. The draft guideline for the cement industry describes all known abatement techniques as well as monitoring/measurement techniques. The cement industry – represented by the CSI – is closely following the process. A major concern is that the assessment of the technologies does not sufficiently consider technical availability, industrial experiences and economic aspects. According to the guideline, the first measure is a careful selection of all input materials to the cement production process: while the composition of natural raw materials can hardly be influenced, a proper control of mercury contents in the alternative raw materials and fuels used is recommended.

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