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News Conifers indicate cement plant’s carbon footprint

Conifers indicate cement plant’s carbon footprint

Written by Global Cement staff 04 September 2019
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China: Research conducted by the North-West Institute of Eco-Environment and Resources has ascertained detailed data on carbon dioxide (CO2) and mercury (Hg) output at a cement plant in Lanzhou using local spruces.

VerticalNews has reported of distance-dependent variations of Hg concentration in needles close to the cement plant, with the highest concentrations observed in needle samples from the site nearest to the plant. Hg in tree rings increased gradually for all sites by year, reaching a concentration of 65.8ng/g in the last growing period at 0m from the plant.

The study fuels hopes of accurate quantification of historical accumulation of air pollutants, including heavy metals, as well as contributing to our understanding of biochemical Hg cycling in forest ecosystems.

Last modified on 04 September 2019
Published in Global Cement News
Tagged under
  • China
  • Mercury
  • Pollution
  • Study
  • CO2
  • GCW421
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