| sulfur dioxide |
A criteria air pollutant. Sulfur dioxide is a gas produced by burning coal, most notably in power plants. Some industrial processes, such as production of paper and smelting of metals, produce sulfur dioxide. Sulfur dioxide is closely related to sulfuric acid, a strong acid. Sulfur dioxide plays an important role in the production of acid rain.
출처: www.nescaum.org/glossary.html
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| sulfur dioxide |
High concentrations of sulfur dioxide affect breathing and may aggravate existing respiratory and cardiovascular disease. Sensitive populations include asthmatics, individuals with bronchitis or emphysema, children, and the elderly.
출처: envirocitizen.inknoise.com/cleanenergy/2005/02/14/...
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| sulfur |
One of the elements present in varying quantities in coal that contributes to environmental degradation when coal is burned. EIA classifies coal, in terms of pounds of sulfur per million Btu as low (less than or equal to 0.60 pounds of sulfur), medium (between 0.61 and 1.67 pounds of sulfur), and high (greater than or equal to 1.68 pounds of sulfur). When coal is sampled, sulfur content is measured as a percent by weight of coal on an
출처: www.aaamineral.com/Coal/dictionary/dictionary.htm
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| sulfuric acid |
The sulfurous gas in polluted air sometimes combines with rain to form sulfuric acid. Sulfuric acid is a much stronger acid than carbonic acid, and may wear away rocks, metals and other substances very quickly.
출처: bellnetweb.brc.tamus.edu/res_grid/cuedwe17.htm
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