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In a modern day sulfur recovery unit (SRU), hydrogen sulfide (H2S) is converted to elemental sulfur using a modified Claus unit. A process simulator called TSWEET has been used to consider the Claus process. The effect of the H2S concentration, the H2S/CO2 ratio, the input air flow rate, the acid gas flow of the acid gas (AG) splitter and the temperature of the acid gas feed at three different oxygen...
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