Apparatus for removal of hydrogen sulfide

Details Apparatus for removal of hydrogen sulfide Apparatus for removal of hydrogen sulfide

1996-04-12

1998-12-01

Tran, Hien

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Including heat exchanger for reaction chamber or reactants...

422171, 422177, 422181, 422188, 422218, 96133, B01J 806, B01J 802

Patent

active

058433813

ABSTRACT:
An apparatus and process is provided for the removal of hydrogen sulfide from gases and for restoration of hydrogen sulfide removal capacity in nitrogen-treated carbonaceous chars which have become exhausted for hydrogen sulfide capacity when used for the removal of hydrogen sulfide from gas streams. The apparatus has a matrix of removable canisters which contain the nitrogen-treated carbonaceous chars. This process entails directing the gas containing hydrogen sulfide through the canister, washing the spent carbonaceous char with water by flushing/dynamic washing through the canister to remove the majority of the hydrogen sulfide reaction products. By the use of this process a significant proportion of the original hydrogen sulfide capacity of the nitrogen-treated carbonaceous char is recovered and the canisters can be recycled a large number of times.

REFERENCES:
patent: 3847574 (1974-11-01), Fish
patent: 3969095 (1976-07-01), Kurahashi
patent: 5071035 (1991-12-01), Kiplinger
patent: 5494869 (1996-02-01), Hayden et al.

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