H2S Removal with liquid redox
Early Facility (FPSO/FPU)

H2S Removal with liquid redox

This process is based on a reduction-oxidation reaction- that converts H2S present in sour gas to elemental sulphur through reaction with aqueous ferric ions. Process forms solid sulphur particles that are easily filtered from the solution. ​ Liquid Redox is commonly used when gas stream has an high content of H2S, so solid bed technology is not feasible, and in addition low flow rate results in a non-economic application of direct oxidation process (Claus)

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