نتایج جستجو برای: chlor
تعداد نتایج: 674 فیلتر نتایج به سال:
Chlor-alkali plants using mercury (Hg) cell technology are acute point sources of Hg pollution in the aquatic environment. While there have been recent efforts to reduce the use of Hg cells, some of the emitted Hg can be transformed to neurotoxic methylmercury (MeHg). Here, we aimed (i) to study the dispersion of Hg in four reservoirs located downstream of a chlor-alkali plant along the Olt Riv...
Phenolic compounds are an important group of contaminants in tap water (Kraybi l l 1978). To prevent water-transmittable epidemic diseases, drinking water is often chemically chlorinated, which may cause chemical chlor inat ion of these contaminants and the formation of stable and unstable chloro-derivat ives. Although industr ia l and agr icu l tura l practice appear to be major contributors o...
The EU Emissions Trading System (EU ETS), which is a cornerstone of the EU’s policy to combat climate change, has been criticised by its effects on the competitiveness of intensive energy demanding industries, and in particular, of the chlor-alkali sector. The main chlorine application in Europe is the production of polyvinyl chloride (PVC) from ethylene dichloride (EDC) as intermediate. Since ...
The intentional use of mercury (Hg) in products and processes ("commercial Hg") has contributed a large and previously unquantified anthropogenic source of Hg to the global environment over the industrial era, with major implications for Hg accumulation in environmental reservoirs. We present a global inventory of commercial Hg uses and releases to the atmosphere, water, soil, and landfills fro...
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