IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0782683
(2010-05-18)
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등록번호 |
US-8419843
(2013-04-16)
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발명자
/ 주소 |
- Frydman, Arnaldo
- Thacker, Pradeep Stanley
- Naphad, Sachin Suhas
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
2 인용 특허 :
5 |
초록
▼
In one embodiment, a system includes a hydrogen sulfide (H2S) absorber, a first flash tank, a flash gas treatment column, and a CO2 absorber. The system also includes a first fluid path extending sequentially through the H2S absorber, the first flash tank, the flash gas treatment column, the H2S abs
In one embodiment, a system includes a hydrogen sulfide (H2S) absorber, a first flash tank, a flash gas treatment column, and a CO2 absorber. The system also includes a first fluid path extending sequentially through the H2S absorber, the first flash tank, the flash gas treatment column, the H2S absorber, and the CO2 absorber.
대표청구항
▼
1. A system, comprising: a hydrogen sulfide (H2S) absorber;a first flash tank;a flash gas treatment column;a carbon dioxide (CO2) absorber; anda first fluid path extending sequentially through the H2S absorber, the first flash tank, the flash gas treatment column, the H2S absorber, and the CO2 absor
1. A system, comprising: a hydrogen sulfide (H2S) absorber;a first flash tank;a flash gas treatment column;a carbon dioxide (CO2) absorber; anda first fluid path extending sequentially through the H2S absorber, the first flash tank, the flash gas treatment column, the H2S absorber, and the CO2 absorber, wherein the flash gas treatment column is configured to receive a flash gas produced by the first flash tank via the first fluid path, the flash gas comprising H2S and CO2, and to receive a solvent such that the solvent and the flash gas are mixed to enable the solvent to entrain at least a portion of the H2S. 2. The system of claim 1, wherein the first fluid path extends sequentially through the H2S absorber, the first flash tank, the flash gas treatment column, the H2S absorber, the CO2 absorber, and the flash gas treatment column. 3. The system of claim 1, wherein the first fluid path extends sequentially through the H2S absorber, the first flash tank, the flash gas treatment column, the H2S absorber, the CO2 absorber, and the H2S absorber. 4. The system of claim 1, comprising: a first solvent heat exchangera first gas compressor; anda first gas heat exchanger, wherein the first fluid path extends sequentially through the H2S absorber, the first solvent heat exchanger, the first flash tank, the flash gas treatment column, the first gas compressor or the first gas heat exchanger, the H2S absorber, and the CO2 absorber. 5. The system of claim 4, comprising: a first solvent pump; anda second solvent heat exchanger, wherein the first fluid path extends sequentially through the H2S absorber, the first solvent heat exchanger, the first flash tank, the flash gas treatment column, the first gas compressor or the first gas heat exchanger, the H2S absorber, the CO2 absorber, the first solvent pump or the second solvent heat exchanger, and the H2S absorber. 6. The system of claim 1, comprising: a first divergent path; anda second divergent path, wherein the first fluid path splits into the first divergent path from the CO2 absorber to the H2S absorber, and the first fluid path splits into the second divergent path from the CO2 absorber to one or more flash tanks. 7. The system of claim 6, comprising a third divergent path, wherein the first fluid path splits into the third divergent path from the CO2 absorber to the flash gas treatment column. 8. The system of claim 1, comprising: a first divergent path;a second divergent path; anda solvent stripper, wherein the first fluid path splits into the first divergent path from the first flash tank to the flash gas treatment column, and the first fluid path splits into the second divergent path from the first flash tank to the solvent stripper. 9. The system of claim 8, wherein the second divergent path extends sequentially through the first flash tank, the solvent stripper, and the flash gas treatment column. 10. The system of claim 8, wherein the second divergent path extends sequentially through the first flash tank, the solvent stripper, and the CO2 absorber. 11. The system of claim 1, comprising a gasifier configured to provide an untreated syngas to the H2S absorber. 12. The system of claim 1, wherein the first fluid path comprises an H2S rich, CO2 rich solvent path from the H2S absorber to the first flash tank, a flashed gas path from the first flash tank to the flash gas treatment column, a first H2S lean, CO2 rich gas path from the flash gas treatment column to the H2S absorber, a second H2S lean, CO2 rich gas path from the H2S absorber to the CO2 absorber. 13. A system, comprising: a flash gas treatment column configured to integrate a carbon dioxide (CO2) capture section with an acid gas removal (AGR) section, wherein the flash gas treatment column comprises a solvent path configured to route solvent from the flash gas treatment column to the CO2 capture section, the flash gas treatment column comprises a gas path configured to receive flashed gas from the AGR section, and the flash gas treatment column is configured to output CO2 rich gas. 14. The system of claim 13, wherein the flash gas treatment column is configured to output the CO2 rich gas to an H2S absorber of the AGR section. 15. The system of claim 13, wherein the flash gas treatment column is configured to output the CO2 rich gas to a CO2 absorber of the CO2 capture section, a CO2 dehydration section, a CO2 compression system, or any combination thereof. 16. The system of claim 13, wherein the solvent path routes the solvent from a solvent stripper and/or the CO2 capture section to the flash gas treatment column. 17. A system, comprising: an acid gas removal (AGR) section;a carbon dioxide (CO2) capture section; anda flash gas treatment column configured to integrate the CO2 capture section with the AGR section, wherein the flash gas treatment column is configured to receive a flashed gas comprising H2S and CO2 and a solvent, and is configured to output CO2 rich gas and H2S entrained solvent. 18. The system of claim 17, wherein the AGR section comprises a solvent stripper configured to remove H2S from the H2S entrained solvent to produce H2S lean solvent, and the CO2 capture section is configured to receive the H2S lean solvent and return H2S lean, CO2 rich solvent to the AGR section. 19. The system of claim 18, wherein the CO2 capture section is configured to return H2S lean, CO2 rich solvent to an H2S absorber of the AGR section and the flash gas treatment column. 20. The system of claim 17, wherein the flash gas treatment column is configured to output CO2 rich gas to an H2S absorber of the AGR section to increase a concentration of CO2 in the H2S absorber. 21. A system, comprising: a hydrogen sulfide (H2S) absorber;a first flash tank;a flash gas treatment column;a carbon dioxide (CO2) absorber;a first fluid path extending sequentially through the H2S absorber, the first flash tank, the flash gas treatment column, the H2S absorber, and the CO2 absorber;a first divergent path;a second divergent path, wherein the first fluid path splits into the first divergent path from the CO2 absorber to the H2S absorber, and the first fluid path splits into the second divergent path from the CO2 absorber to one or more flash tanks; anda third divergent path, wherein the first fluid path splits into the third divergent path from the CO2 absorber to the flash gas treatment column. 22. A system, comprising: a flash gas treatment column configured to integrate a CO2 capture section with an acid gas removal (AGR) section, wherein the flash gas treatment column comprises a solvent path configured to route solvent from the flash gas treatment column to the CO2 capture section, the flash gas treatment column comprises a gas path configured to receive flashed gas from the AGR section, the flash gas treatment column is configured to output CO2 rich gas, and wherein the solvent path routes the solvent from a solvent stripper and/or the CO2 capture section to the flash gas treatment column.
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