Method for cleaning coke oven gas

Details Method for cleaning coke oven gas Method for cleaning coke oven gas

2007-07-17

2007-07-17

Johnson, Edward M. (Department: 1754)

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Nitrogen or nitrogenous component

Reexamination Certificate

active

10477021

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.

REFERENCES:
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patent: 4183902 (1980-01-01), Hashimoto et al.
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patent: 2537640 (1977-02-01), None
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patent: 19603837 (1997-08-01), None
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Chemie-Ingenieuer-Technik (Chemcial Engineer Technology) (1974) 15, p. 628—To Follow.

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