Zero emissions sulphur recovery process with concurrent hydrogen production

摘要

Disclosed is a process for the concurrent production of hydrogen and sulphur from a H2S-containing gas stream, with zero emissions. The method comprises the thermal oxidative cracking of H2S so as to form H2 and S2. Preferably, the oxidation is conducted using oxygen-enriched air, preferably pure oxygen. The ratio H2S/O2 in the feedstock is higher than 2:1, preferably in the range of 3:1-5:1.

主权项

1. A plant suitable for conducting the thermal oxidative cracking of a H2S-containing gas stream, said plant comprising an inlet for a H2S-containing acid gas stream, an inlet for an oxygen-comprising stream, and a thermal oxidative cracking reaction zone comprising a mixing zone.