Method for adjusting the sulphur/sodium ratio in the flue gases of a soda recovery boiler
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United States of America Patent
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Oct 8, 1996
Grant Date -
N/A
app pub date -
Jul 21, 1994
filing date -
Jul 23, 1993
priority date (Note) -
Expired
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Abstract
A method for adjusting the sulphur/sodium ratio in a soda recovery boiler when strong sulphurous odour gases are burned therein. According to the method, sodium is introduced into the soda recovery boiler in an amount proportional to the amount of sulphur either as sodium hydroxide, sodium carbonate compounds or soap, whereby the sodium and sulphur react, forming sodium sulphate, which can be removed from the flue gases together with fly ash.
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