Document Detail


Reduction of airborne fluoride emissions from Canadian aluminium smelters as revealed by snow chemistry.
MedLine Citation:
PMID:  3685959     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Fluorides in surface snowcover originating from two old Canadian aluminium smelters were studied over an area of 4500 km2, in March 1978 and 1984. During that period, the completion of a depollution programme within the smelters reduced the airborne gaseous emissions from 1.5 to 0.7 kg Ft-1 of metal produced. In 1978, more than 3000 km2 of the regional area was contaminated by industrial fluorides with snowborne concentrations of up to 13 mg l-1. Reduction of the gaseous fluoride emissions, concomitant with a substantial reduction of the total particulate emissions, have greatly decreased the snowborne fluoride contamination so that the maximum concentration of fluorides in snow is now only 1 mg l-1.
Authors:
M Ouellet
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Publication Detail:
Type:  Comparative Study; Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  The Science of the total environment     Volume:  66     ISSN:  0048-9697     ISO Abbreviation:  Sci. Total Environ.     Publication Date:  1987 Oct 
Date Detail:
Created Date:  1988-01-20     Completed Date:  1988-01-20     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0330500     Medline TA:  Sci Total Environ     Country:  NETHERLANDS    
Other Details:
Languages:  eng     Pagination:  65-72     Citation Subset:  IM    
Affiliation:
INRS-Eau, Université de Québec, Sainte-Foy, Canada.
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MeSH Terms
Descriptor/Qualifier:
Air Pollutants / analysis*
Air Pollution / prevention & control
Fluorides / analysis*
Metallurgy*
Quebec
Snow / analysis*
Weather / analysis*
Chemical
Reg. No./Substance:
0/Air Pollutants; 0/Fluorides

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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