Process for the removal of sulfur oxide constituents from a waste gas
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United States of America Patent
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Jul 6, 1993
Grant Date -
N/A
app pub date -
Oct 31, 1991
filing date -
Nov 8, 1990
priority date (Note) -
Expired
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Abstract
A waste gas from a chemical process is treated to remove undesirable substances, especially sulphur dioxide, by contacting said waste gas with acidic solution, e.g. industrial waste solution, at pH less than 2 to effect pre-cleaning, and then contacting said waste gas with alkaline solution e.g. seawater.
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