Energy efficient gasification based multi generation apparatus employing advanced process schemes and related methods
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B01J-007/00
C10J-003/84
C10J-003/82
C10K-001/00
C10K-001/02
C10K-001/10
B01J-019/00
B01J-019/24
C10J-003/20
F01K-025/10
C10K-001/04
C10J-003/00
C10J-003/80
출원번호
US-0692633
(2015-04-21)
등록번호
US-9605220
(2017-03-28)
발명자
/ 주소
Noureldin, Mahmoud Bahy
출원인 / 주소
Saudi Arabian Oil Company
대리인 / 주소
Bracewell LLP
인용정보
피인용 횟수 :
0인용 특허 :
19
초록▼
Energy-efficient gasification-based multi-generation apparatus, facilities, or systems, and methods of modifying existing gasification-based multi-generation apparatus and the various conventional thermal coupling arrangements, are provided. An exemplary gasification-based multi-generation apparatus
Energy-efficient gasification-based multi-generation apparatus, facilities, or systems, and methods of modifying existing gasification-based multi-generation apparatus and the various conventional thermal coupling arrangements, are provided. An exemplary gasification-based multi-generation apparatus includes a gasification system configured to generate raw syngas feed from a carbon-based feedstock, and an acid gas removal system configured to remove acidic contaminants from the raw syngas feed to thereby provide a treated syngas feed. The gasification system includes a gasification reactor, a syngas fluid cooler reactor, and a soot ash removal unit comprising a soot quench column, a soot separator, a soot filter, a soot scrubber, and a gasification system energy management system having a conventional set of heat exchanger unit and an added set of heat exchanger units to enhance energy efficiency. The acid gas removal system includes a reactor, an acid gas contaminant absorber, a solvent regenerator, and an acid gas removal system energy management system having a conventional set of heat exchanger unit and an added set of heat exchanger units to enhance energy efficiency.
대표청구항▼
1. A gasification-based multi-generation apparatus, comprising one or more of the following: an acid gas removal system configured to remove acidic contaminants from a raw syngas feed to thereby provide a treated syngas feed; anda gasification system configured to generate the raw syngas feed from a
1. A gasification-based multi-generation apparatus, comprising one or more of the following: an acid gas removal system configured to remove acidic contaminants from a raw syngas feed to thereby provide a treated syngas feed; anda gasification system configured to generate the raw syngas feed from a carbon-based feedstock;a condensate polishing plant or facility;a sour water stripper;the acid gas removal system comprising an acid gas contaminant absorber, a solvent regenerator, and an acid gas removal system energy management system, the acid gas removal system energy management system comprising one or more of the following: a first acid gas removal system process-to-process heat exchanger unit positioned to receive a hot condensate stream received from the gasification system and the raw syngas feed from the gasification system to provide heat energy to the raw syngas feed and to cool the hot condensate stream from the gasification system,a second acid gas removal system process-to-process heat exchanger unit positioned to receive the hot condensate stream received from the gasification system and the treated syngas feed from the acid gas contaminant absorber to provide heat energy to the treated syngas feed and to further cool the hot condensate stream from the gasification system,a third acid gas removal system process-to-process heat exchanger unit positioned to receive a reactor effluent bottom stream from a contaminant hydrolysis reactor and at least a portion of a rich solvent bottom stream from the acid gas contaminant absorber to provide heat energy to the rich solvent bottom stream and to cool the reactor effluent bottom stream, anda fourth acid gas removal system process-to-process heat exchanger unit defining a solvent regenerator reboiler positioned to receive at least a portion of a soot scrubber bottom stream received from the gasification system and a solvent regenerator tray stream extracted from a solvent stream tray of the solvent regenerator to provide heat energy to reboil the extracted solvent regenerator tray stream and to cool the soot scrubber bottom stream;the acid gas removal system energy management system additionally comprising a fifth acid gas removal system process-to-process heat exchanger unit positioned to receive at least a portion of a polished cold condensate stream received from the condensate polishing plant or facility, and a solvent regenerator top stream from the solvent regenerator to provide heat energy to the at least a portion of the polished cold condensate stream and to cool the solvent regenerator top stream; andthe gasification system comprising a gasification reactor and a gasification system energy management system, the gasification system energy management system comprising: a first gasification system process-to-process heat exchanger unit positioned to receive the polished cold condensate stream and an overhead stream of the sour water stripper to add a thermal load to the polished cold condensate stream and to cool the overhead stream of the sour water stripper,a second gasification system process-to-process heat exchanger unit positioned to receive the polished cold condensate stream having the added thermal load from the overhead stream of the sour water stripper and to receive at least a portion of an oxygen feed to the gasification reactor to provide heat energy to the at least a portion of the oxygen feed and to remove at least a portion of the added thermal load added to the polished cold condensate stream, anda third gasification system process-to-process heat exchanger unit positioned to receive a wastewater bottom stream from the sour water stripper and to receive at least a portion of the oxygen feed to the gasification reactor to provide heat energy to the at least a second portion of the oxygen feed to the gasification reactor and to cool the wastewater bottom stream from the sour water stripper, andthe gasification system energy management system optionally comprising a fourth gasification system process-to-process heat exchanger unit positioned to receive a hot condensate stream and the oxygen feed to the gasification reactor to provide heat energy to heat the oxygen feed to the gasification reactor and to cool the hot condensate stream. 2. The apparatus as defined in claim 1, wherein the apparatus comprises the acid gas removal system;wherein the at least a portion of the polished cold condensate stream received by the fifth process-to-process heat exchanger unit of the acid gas removal system comprises a first branch of the polished cold condensate stream to receive heat energy from the solvent regenerator top stream;wherein the acid gas removal system comprises the contaminant hydrolysis reactor; andwherein the acid gas removal system energy management system further comprises a sixth acid gas removal system process-to-process heat exchanger unit positioned to receive a second branch of the polished cold condensate stream from the condensate polishing plant or facility, and the reactor effluent bottom stream from the contaminant hydrolysis reactor to provide heat energy to the second branch of the polished cold condensate stream and to cool the reactor effluent bottom stream. 3. The apparatus as defined in claim 2, wherein the apparatus further comprises the gasification system;andwherein the polished cold condensate stream received by the first gasification system process-to-process heat exchanger comprises the first and the second branches of the polished cold condensate stream recombined together and received from the acid gas removal system after the first branch is heated by the top stream of the solvent regenerator and the second branch is heated by the reactor effluent bottom stream. 4. The apparatus as defined in claim 3, wherein the gasification system comprises a gasification plant or facility, and wherein the apparatus further comprises: a sour water stripping plant or facility comprising the sour water stripper, the sour water stripping plant or facility integrated with the gasification plant or facility through at least the overhead and the wastewater bottom streams from the sour water stripper; andwherein the first gasification system process-to-process unit is located adjacent the sour water stripper. 5. The apparatus as defined in claim 3, wherein the acid gas removal system energy management system comprises the fourth acid gas removal system process-to-process heat exchanger unit. 6. The apparatus as defined in claim 1, wherein the acid gas removal system comprises an acid gas removal plant or facility; andwherein the gasification system comprises a gasification plant or facility. 7. The apparatus as defined in claim 6, further comprising: a membrane pre-treatment unit to separate water droplets from the treated syngas, integrated into the acid gas removal plant or facility; anda hydrogen recovery plant or facility comprising a gas membrane unit. 8. The apparatus as defined in claim 7, further comprising: wherein the membrane pre-treatment unit of the acid gas removal plant or facility is in fluid communication with the gas membrane unit of the hydrogen recovery plant; andwherein the acid gas removal system energy management system comprises the second acid gas removal system process-to-process heat exchanger unit to provide heat energy to the treated syngas to thereby heat the treated syngas to the required inlet temperature for the gas membrane unit. 9. The apparatus as defined in claim 8, further comprising: wherein hydrogen recovery plant or facility does not include a membrane pre-treatment unit to separate water droplets from the treated syngas; andwherein the hydrogen recovery plant or facility does not include a heating utility heat exchanger unit positioned to heat the treated syngas to a required inlet temperature for the gas membrane unit. 10. The apparatus as defined in claim 6, wherein the acid gas removal plant or facility comprises: a demineralized water storage tank to provide demineralized water to a power generation plant or facility, integrated into the acid gas removal plant or facility. 11. The apparatus as defined in claim 6, the condensate polishing plant or facility comprising a condensate polishing unit; andwherein the acid gas removal system energy management system comprises: the second acid gas removal system process-to-process heat exchanger unit, anda cooling utility heat exchange unit or chiller positioned to receive condensate from the gasification plant or facility to cool the condensate to the required inlet temperature for the condensate polishing unit. 12. The apparatus as defined in claim 11, wherein the acid gas removal system energy management system comprises the contaminant hydrolysis reactor, and wherein the acid gas removal system energy management system further comprises: the first acid gas removal system process-to-process heat exchanger unit;a seventh acid gas removal system process-to-process heat exchanger unit positioned to receive the hot condensate stream from the gasification system and a demineralized water stream from a demineralized water tank to provide heat energy to the demineralized water stream and to further cool the hot condensate stream from the gasification system; andan eighth acid gas removal system process-to-process heat exchanger unit positioned to receive the demineralized water stream from the demineralized water tank and a lean solvent bottom stream from the solvent regenerator to provide heat energy to the demineralized water system and to cool the lean solvent bottom stream. 13. The apparatus as defined in claim 6, wherein the acid gas removal system energy management system comprises the first acid gas removal system process-to-process heat exchanger unit and the third acid gas removal system process-to-process heat exchanger unit. 14. The apparatus as defined in claim 6, wherein the acid gas removal system energy management system comprises the fourth acid gas removal system process-to-process heat exchanger unit; and wherein the solvent regenerator has a solvent regenerator bottom functioning at an operating pressure of between approximately 1.2 and 1.5 barg. 15. The apparatus as defined in claim 6, wherein the apparatus comprises the gasification system and a sour water stripping system; wherein the gasification system comprises a gasification plant or facility; wherein the sour water stripping system comprises a sour water stripping plant or facility; wherein the sour water stripping or facility comprises the sour water stripper; wherein the first gasification system process-to-process heat exchanger unit is located adjacent the sour water stripper; and wherein the gasification system energy management system comprises the first, second, third, and fourth gasification system process-to-process heat exchanger units. 16. The apparatus as defined in claim 1, wherein the gasification system energy management system comprises the fourth gasification system process-to-process heat exchanger unit, and wherein the hot condensate stream received by the fourth gasification system process-to-process heat exchanger unit is from a power generation plant or facility en route to one or more of the following: the acid gas removal plant or facility and a condensate polishing plant facility. 17. The apparatus as defined in claim 1, wherein the apparatus comprises the acid gas removal system, wherein the acid gas removal system comprises an acid gas removal plant or facility; wherein the acid gas removal plant or facility comprises the contaminant hydrolysis reactor; wherein the acid gas removal system energy management system comprises the first, second, third, fourth, and fifth acid gas removal system process-to-process heat exchanger units; and wherein the acid gas removal system energy management system further comprises: a sixth acid gas removal system process-to-process heat exchanger unit positioned to receive a second branch of the polished cold condensate stream from the condensate polishing plant and from the reactor effluent bottom stream from the contaminant hydrolysis reactor to provide heat energy to the second branch of the polished cold condensate stream and to cool the reactor effluent bottom stream; anda seventh acid gas removal system process-to-process heat exchanger unit positioned to receive the hot condensate stream from the gasification system and a demineralized water stream from a demineralized water tank to provide heat energy to the demineralized water stream and to further cool the hot condensate stream from the gasification system. 18. The apparatus as defined in claim 1, wherein the acid gas removal system comprises an acid gas removal plant or facility;wherein the gasification system comprises a gasification plant or facility;wherein the apparatus comprises the acid gas removal plant or facility comprising the solvent regenerator, the gasification plant or facility, and a condensate polishing plant or facility;wherein the acid gas removal plant or facility comprises the contaminant hydrolysis reactor, the acid gas contaminant absorber, and the solvent regenerator;wherein the acid gas removal system energy management system does not include the first acid gas removal system process-to-process heat exchanger unit; andwherein the at least a portion of the polished cold condensate stream received by the fifth process-to-process heat exchanger unit of the acid gas removal system comprises a first branch of the polished cold condensate stream receiving heat energy from the solvent regenerator top stream; andwherein the acid gas removal system energy management system comprises: the solvent regenerator reboiler,a sixth acid gas removal system process-to-process heat exchanger unit positioned to receive at least a portion of the polished cold condensate stream from the condensate polishing plant or facility, to provide heat energy to the at least a portion of the polished cold condensate stream,the first and the second branches of the polished cold conduit stream being recombined into a single polished cold conduit stream and received by the gasification plant or facility after receiving heat energy at the respective fifth and sixth process-to-process heat exchanger units, anda seventh acid gas removal system process-to-process heat exchanger unit positioned to receive the raw syngas feed from the gasification system and a hot condensate stream from one or more of the following: the gasification plant or facility, the power generation plant or facility, an adjacent refinery, and an adjacent chemical plant, and to provide heat energy to the raw syngas feed and to cool the hot condensate stream from the gasification system,the acid gas removal plant or facility being integrated with the condensate polishing plant or facility through the at least a portion of the polished cold condensate stream received by the sixth acid gas removal system process-to-process heat exchanger unit,the acid gas removal plant or facility being integrated with at least the condensate polishing plant or facility, and the gasification plant or facility, through at least the first and the second branches of the polished condensate stream from the condensate polishing plant or facility, received by the fifth and the sixth acid gas removal system process-to-process heat exchanger units and the single polished cold conduit stream received by one or more of the gasification system process-to-process heat exchanger units, working as a buffer to indirectly gather heat energy from the solvent regenerator top stream and the bottom stream of the contaminant hydrolysis reactor of the acid gas removal plant or facility, to heat at least portions of the oxygen feed to the gasification reactor,the acid gas removal plant or facility being further integrated with the gasification plant or facility through the soot scrubber bottom stream to provide heat energy to heat the solvent regenerator reboiler. 19. The apparatus as defined in claim 18, wherein the solvent regenerator has a solvent regenerator bottom functioning at an operating pressure of between approximately 1.2 and 1.5 barg to thereby minimize pressure drop across column portions of the solvent regenerator. 20. The apparatus as defined in claim 1, wherein the acid gas removal system comprises an acid gas removal plant or facility comprising the acid gas removal system energy management system; wherein the apparatus comprises the acid gas removal plant or facility; and wherein the acid gas removal system energy management system comprises the first, the second, the third, the fourth, and the fifth acid gas removal system process-to-process heat exchanger units. 21. The apparatus as defined in claim 1, wherein the gasification system comprises a gasification plant or facility comprising the gasification system energy management system; wherein the apparatus comprises the gasification plant or facility, and a sour water stripping plant or facility comprising the sour water stripper; and wherein the gasification system energy management system comprises the first, the second, the third, and the fourth gasification system process-to-process heat exchanger units. 22. The apparatus as defined in claim 1, wherein the acid gas removal system comprises an acid gas removal plant or facility comprising the acid gas removal system energy management system;wherein the apparatus comprises the acid gas removal plant or facility;wherein the acid gas removal system energy management system comprises the first, the second, the third, the fourth, and the fifth acid gas removal system process-to-process heat exchanger units;wherein the gasification system comprises a gasification plant or facility comprising the gasification system energy management system;wherein the apparatus comprises the gasification plant or facility, and a sour water stripping plant or facility comprising the sour water stripper; andwherein the gasification system energy management system comprises the fourth gasification system process-to-process heat exchanger units. 23. The apparatus as defined in claim 22, wherein the solvent regenerator has a solvent regenerator bottom functioning at an operating pressure of between approximately 1.2 and 1.5 barg to thereby minimize pressure drop across column portions of the solvent regenerator. 24. A carbon-based feedstock-gasification multi-generation apparatus, comprising: an acid gas removal system configured to remove acidic contaminants from a raw syngas feed to thereby provide a treated syngas feed; anda gasification system configured to generate the raw syngas feed from a carbon-based feedstock, the gasification system integrated with, or containing and integrated with a sour water stripping system comprising a sour water stripper;the acid gas removal system comprising an acid gas contaminant absorber, a solvent regenerator, and an acid gas removal system energy management system, the acid gas removal system energy management system comprising: a first acid gas removal system process-to-process heat exchanger unit positioned to receive a hot condensate stream from the gasification system and the raw syngas feed from the gasification system to provide heat energy to the raw syngas feed and to cool the hot condensate stream from the gasification system,a second acid gas removal system process-to-process heat exchanger unit positioned to receive the hot condensate stream from the gasification system and the treated syngas feed from the acid gas contaminant absorber to provide heat energy to the treated syngas feed and to further cool the hot condensate stream from the gasification system,a third acid gas removal system process-to-process heat exchanger unit positioned to receive a reactor effluent bottom stream from a contaminant hydrolysis reactor and a rich solvent bottom stream from the acid gas contaminant absorber to provide heat energy to the rich solvent bottom stream and to cool the reactor effluent bottom stream,a fourth acid gas removal system process-to-process heat exchanger unit defining a solvent regenerator reboiler positioned to receive a soot scrubber bottom stream from the gasification system and a solvent regenerator tray stream extracted from a solvent stream tray of the solvent regenerator to provide heat energy to reboil the extracted solvent regenerator tray stream and to cool the soot scrubber bottom stream,a fifth acid gas removal system process-to-process heat exchanger unit positioned to receive a first branch of a polished cold condensate stream from a condensate polishing unit, plant, or facility, and a solvent regenerator top stream from the solvent regenerator to provide heat energy to the first branch of the polished cold condensate stream and to cool the solvent regenerator top stream, anda sixth acid gas removal system process-to-process heat exchanger unit positioned to receive a second branch of the polished cold condensate stream from the condensate polishing unit, plant, or facility, and the reactor effluent bottom stream from the contaminant hydrolysis reactor to provide heat energy to the second branch of the polished cold condensate stream and to cool the reactor effluent bottom stream;the gasification system comprising a gasification reactor, a syngas fluid cooler reactor, and a soot ash removal unit comprising a soot quench column, a soot separator, a soot filter, a soot scrubber, and a gasification system energy management system, the gasification system energy management system comprising: a first gasification system process-to-process heat exchanger unit positioned to receive the polished cold condensate stream and an overhead stream of the sour water stripper to add a thermal load to the polished cold condensate stream and to cool the overhead stream of the sour water stripper,a second gasification system process-to-process heat exchanger unit positioned to receive the polished cold condensate stream having the added thermal load from the overhead stream of the sour water stripper and a first branch of an oxygen feed to the gasification reactor to provide heat energy to the first branch of the oxygen feed and to remove at least a portion of the added thermal load added to the polished cold condensate stream by the first gasification system process-to-process heat exchanger unit, anda third gasification system process-to-process heat exchanger unit positioned to receive a wastewater bottom stream from the sour water stripper and a second branch of the oxygen feed to the gasification reactor to provide heat energy to the second branch of the oxygen feed to the gasification reactor and to cool the wastewater bottom stream from the sour water stripper, andthe gasification system energy management system optionally comprising a fourth gasification system process-to-process heat exchanger unit positioned to receive a hot condensate stream and the oxygen feed to the gasification reactor to provide heat energy to the oxygen feed to the gasification reactor and to cool the hot condensate stream. 25. The apparatus as defined in claim 24, wherein the acid gas removal system comprises an acid gas removal plant, wherein the acid gas removal plant contains, is integrated with, or both contains and is integrated with the contaminant hydrolysis reactor, wherein the acid gas removal plant further comprises the acid gas contaminant absorber, the solvent regenerator, the acid gas removal system energy management system, and a syngas separation membrane pretreatment drum to clean syngas of water droplets to thereby provide the treated syngas, and wherein the acid gas removal system energy management system further comprises: a seventh acid gas removal system process-to-process heat exchanger unit positioned to receive the hot condensate stream from the gasification system and demineralized water from a demineralized water tank to provide heat energy to the demineralized water and to further cool the hot condensate stream from the gasification system; andan eighth acid gas removal system process-to-process heat exchanger unit positioned to receive the demineralized water from the demineralized water tank and a lean solvent bottom stream from the solvent regenerator to provide heat energy to the demineralized water and to cool the lean solvent bottom stream. 26. The apparatus as defined in claim 25, wherein the solvent regenerator has a solvent regenerator bottom functioning at an operating pressure of between approximately 1.2 and 1.5 barg to thereby minimize pressure drop across column portions of the solvent regenerator.
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이 특허에 인용된 특허 (19)
Chakravarti, Shrikar; Drnevich, Raymond F.; Shah, Minish M, Acid gas management in liquid fuel production process.
Child Edward T. (Tarrytown NY) Lafferty ; Jr. William L. (Hopewell Junction NY) Suggitt Robert M. (Wappingers Falls NY) Jahnke Frederick C. (Rye NY), Combined power cycle with liquefied natural gas (LNG) and synthesis or fuel gas.
Anwer Jamil (Cologne FL DT) Banchik Ira Norman (Lakeland FL) Bode Gerhard Wilhelm (Lechenich DT) Lemberg Werner (Cologne-Weidenpesch DT) Sud Kuldip Kumar (Cologne DT), Process for gasifying solid carbonaceous fuel.
Diehl Jorg,ATX ; Rosenfellner Gerald,ATX, Process for producing liquid pig iron or liquid steel preproducts and sponge iron as well as a plant for carrying out t.
Subramanian Mahadevan (Houston TX) Monday Richard D. (Houston TX) Johnson David B. (Houston TX) Kleinschrodt Frank J. (Herring Cove CAX), Process for separating crude oil components.
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