Method of purifying pyrolysis gases

Details Method of purifying pyrolysis gases Method of purifying pyrolysis gases

1985-08-02

1988-05-17

Heller, Gregory A.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Carbon dioxide or hydrogen sulfide component

423240, 423244, 55300, C01B 1716, C01B 3120, C01B 700, B01J 800

Patent

active

047449640

ABSTRACT:
The invention relates to a method of purifying pyrolysis gases preferably containing hydrogen halides and/or acidic gaseous sulfur compounds by simultaneous neutralization and dust separation in which the gas entraining large amounts of dusty solid particles is led through a bulk bed for the purpose of binding the gaseous pollutants, and an apparatus for carrying out said method. The problem of clogging and plugging of the bulk bed is solved in that the grains of the bulk bed are set in shocklike movement and are thus subjected to a minimum wear by mechanical abrasion, the clogging of the bulk bed filter thus being avoided and the purification of the gas improved.

REFERENCES:
patent: 3090180 (1963-05-01), Berz et al.
patent: 4010014 (1977-03-01), Barnebey et al.
patent: 4061476 (1977-12-01), Holter et al.

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