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Question
How can the production of dihydrogen, obtained from 'coal gastification', be increased?
How can the production of dihydrogen, obtained from 'coal gastification', be increased?
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Solution
Dihydrogen is produced by coal gastification method as:
C(s)+H2O(g)1270 K−−−−→CO(g)+H2(g)
The yield of dihydrogen (obtained from coal gastification) can be increased by reacting carbon monoxide (formed during the reaction) with steam in the presence of iron chromate as a catalyst.
CO(g)+H2O(g)673 K−−−−−→CatalystCO2(g)+H2(g)
This reaction is called the water - gas shift reaction. Carbon dioxide is removed by scrubbing it with a solution of sodium arsenite.
Dihydrogen is produced by coal gastification method as:
C(s)+H2O(g)1270 K−−−−→CO(g)+H2(g)
The yield of dihydrogen (obtained from coal gastification) can be increased by reacting carbon monoxide (formed during the reaction) with steam in the presence of iron chromate as a catalyst.
CO(g)+H2O(g)673 K−−−−−→CatalystCO2(g)+H2(g)
This reaction is called the water - gas shift reaction. Carbon dioxide is removed by scrubbing it with a solution of sodium arsenite.
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