Claus process

Layer 2 — Chemistryin the Petrochemistry And Industrial subtree

Recovery of elemental sulfur from H2S (sour gas/refinery off-gas): 2H2S+3O2→2SO2+2H2O then 2H2S+SO2→3S+2H2O on alumina catalyst. Accounts for most industrial sulfur production.

Related concepts

Heterogeneous catalysis

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