Method for cleaning coke oven gas
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United States of America Patent
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Jul 17, 2007
Grant Date -
Sep 30, 2004
app pub date -
May 7, 2002
filing date -
May 9, 2001
priority date (Note) -
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Abstract
A method for cleaning coke oven gas by washing the gas, whereby a washing liquid is guided into a washing liquid circuit and impurities in the washing liquid are expelled in a desorber. According to the invention, the coke oven gas is washed with caustic soda in a counter flow. The caustic soda is regenerated in the desorber by expelling acid gas components and ammonia.
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