FIELD: process engineering.
SUBSTANCE: invention can be used for cleaning gas, in particular, synthesis gas obtained in gasification of sediments of effluents. Method of cleaning gas containing ammonia and/or hydrogen sulphide comprises flushing hydrogen sulphide with condensed water extracted from wet gas before its cleaning and including alkalised ammonia. Gas cleaning plant 10 comprises wet gas cleaners for flushing ammonia 52 and hydrogen sulphide 54 and condenser 44 mounted ahead of wet gas cleaners.
EFFECT: gas cleaning of ammonia and hydrogen sulphide, decreased amount of initial components, lower corrosion in heat treatment equipment.
10 cl, 2 dwg
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