Method and device for separating hydrogen sulfide and hydrogen production system using the same
US9365423B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 29, 2012 |
| Grant date | Jun 14, 2016 |
| Priority date | — |
| Expiry date | Jan 26, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02C20/40
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The system includes adsorbent-packed towers 11 and 21 filled with H2S adsorbent which triethanolamine is supported by activated carbon. Mixed gas derived from a synthesis gas containing CO2 and H2S at about 40° C. is supplied to the adsorbent-packed towers 11 and 21 through a line. Valves 12 and 13 are opened, valves 22 and 23 are closed, valves 14 and 15 are closed, and valves 24 and 25 are opened to perform adsorption of H2S contained in the gas to be treated in the adsorbent-packed tower 11 in a dry state and to perform desorption of H2S in the adsorbent-packed tower 21. When adsorption of H2S contained in the gas to be treated is performed in the adsorbent-packed tower 21 and desorption of H2S is performed in the adsorbent-packed tower 11, the valves 12, 13, 24, and 25 are closed and the valves 22, 23, 14, and 15 are opened.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.