RU2001132593A - ABSORBING COMPOSITIONS FOR REMOVING ACID GASES FROM GAS FLOWS - Google Patents

ABSORBING COMPOSITIONS FOR REMOVING ACID GASES FROM GAS FLOWS

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Publication number
RU2001132593A
RU2001132593A RU2001132593/12A RU2001132593A RU2001132593A RU 2001132593 A RU2001132593 A RU 2001132593A RU 2001132593/12 A RU2001132593/12 A RU 2001132593/12A RU 2001132593 A RU2001132593 A RU 2001132593A RU 2001132593 A RU2001132593 A RU 2001132593A
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RU
Russia
Prior art keywords
absorbent composition
aqueous solution
mol
gas
acid
Prior art date
Application number
RU2001132593/12A
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Russian (ru)
Other versions
RU2239488C2 (en
Inventor
Крэйг Норман ШУБЕРТ
Паулино ФОРТЭ
Джон Уэйн ДИН
Original Assignee
Юнион Карбайд Кемикалз Энд Пластикс Текнолоджи Корпорейшн
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Priority claimed from US09/304,283 external-priority patent/US6337059B1/en
Application filed by Юнион Карбайд Кемикалз Энд Пластикс Текнолоджи Корпорейшн filed Critical Юнион Карбайд Кемикалз Энд Пластикс Текнолоджи Корпорейшн
Publication of RU2001132593A publication Critical patent/RU2001132593A/en
Application granted granted Critical
Publication of RU2239488C2 publication Critical patent/RU2239488C2/en

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Claims (13)

1. Абсорбирующая композиция для удаления кислых газов из газовых потоков, содержащая водный раствор, включающий: 1) более чем 1 моль пиперазина / л водного раствора; и 2) от около 1,5 до около 6 моль метилдиэтаноламина / л водного раствора.1. An absorbent composition for removing acid gases from gas streams, containing an aqueous solution, including: 1) more than 1 mol piperazine / l aqueous solution; and 2) from about 1.5 to about 6 mol of methyldiethanolamine / L aqueous solution. 2. Абсорбирующая композиция по п.1, содержащая более чем 1,1 моль пиперазина / л водного раствора.2. The absorbent composition according to claim 1, containing more than 1.1 mol piperazine / l aqueous solution. 3. Абсорбирующая композиция по п.1, содержащая более чем 1,2 моль пиперазина / л водного раствора.3. The absorbent composition according to claim 1, containing more than 1.2 mol piperazine / l aqueous solution. 4. Абсорбирующая композиция по п.1, содержащая от около 2,5 до около 5,5 моль метилдиэтаноламина / л водного раствора.4. The absorbent composition according to claim 1, containing from about 2.5 to about 5.5 mol of methyldiethanolamine / l aqueous solution. 5. Абсорбирующая композиция по п.1, содержащая от около 2,9 до около 4,2 моль метилдиэтаноламина / л водного раствора.5. The absorbent composition according to claim 1, containing from about 2.9 to about 4.2 mol of methyldiethanolamine / L aqueous solution. 6. Абсорбирующая композиция по п.1, кроме того, содержащая дополнительный химический растворитель или физический растворитель.6. The absorbent composition according to claim 1, further comprising an additional chemical solvent or physical solvent. 7. Абсорбирующая композиция по п.6, содержащая физический растворитель, выбранный из группы, состоящей из сульфолана или метокситригликоля.7. The absorbent composition according to claim 6, containing a physical solvent selected from the group consisting of sulfolane or methoxytriglycol. 8. Способ удаления кислых газов из газового потока, включающий контактирование газового потока, содержащего кислый газ, с абсорбирующей композицией, содержащей водный раствор, включающий: 1) более чем 1 моль пиперазина / л водного раствора; и 2) от около 1,5 до около 6 моль метилдиэтаноламина / л водного раствора с получением обедненного кислыми газами газового потока и потока абсорбирующей композиции, обогащенной кислыми газами.8. A method for removing acid gases from a gas stream, comprising contacting a gas stream containing an acid gas with an absorbent composition containing an aqueous solution, including: 1) more than 1 mol piperazine / l aqueous solution; and 2) from about 1.5 to about 6 mol of methyldiethanolamine / L aqueous solution to produce an acid gas depleted gas stream and an acidic gas enriched absorbent composition stream. 9. Способ по п.8, дополнительно включающий последующие стадии отделения обедненного кислыми газами газового потока от потока абсорбирующей композиции, обогащенной кислыми газами; извлечения обедненного кислыми газами газового потока в виде продукта; регенерации потока абсорбирующей композиции, обогащенной кислыми газами, удалением из нее кислых газов с получением регенерированной абсорбирующей композиции; и рециркуляции регенерированной абсорбирующей композиции на стадию контактирования по п.8.9. The method of claim 8, further comprising the subsequent steps of separating the acid-gas-depleted gas stream from the acid-gas-rich absorbent composition stream; recovering the acid gas depleted gas stream as a product; regeneration of the flow of the absorbent composition enriched in acid gases, removal of acid gases from it to obtain a regenerated absorbent composition; and recycling the regenerated absorbent composition to the contacting step of claim 8. 10. Способ по п.8, где абсорбирующая композиция содержит более чем около 1,1 моль пиперазина / л водного раствора.10. The method of claim 8, where the absorbent composition contains more than about 1.1 mol piperazine / l aqueous solution. 11. Способ по п.8, где абсорбирующая композиция содержит от около 2,5 до около 5,5 моль метилдиэтаноламина / л водного раствора.11. The method of claim 8, where the absorbent composition contains from about 2.5 to about 5.5 mol of methyldiethanolamine / l aqueous solution. 12. Способ по п.8, где абсорбирующая композиция, кроме того, содержит дополнительный химический растворитель или физический растворитель.12. The method of claim 8, wherein the absorbent composition further comprises an additional chemical solvent or physical solvent. 13. Способ по п.8, где стадию регенерации осуществляют при температуре в диапазоне от около 100°С до около 130°С.13. The method of claim 8, where the stage of regeneration is carried out at a temperature in the range from about 100 ° C to about 130 ° C.
RU2001132593/15A 1999-05-03 2000-05-01 Absorbing compositions for removing acid gases from gas streams RU2239488C2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/304,283 1999-05-03
US09/304,283 US6337059B1 (en) 1999-05-03 1999-05-03 Absorbent compositions for the removal of acid gases from gas streams

Publications (2)

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RU2001132593A true RU2001132593A (en) 2003-08-20
RU2239488C2 RU2239488C2 (en) 2004-11-10

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US (1) US6337059B1 (en)
EP (1) EP1177030B1 (en)
CN (1) CN1157248C (en)
AU (1) AU4681600A (en)
CA (1) CA2371778C (en)
MX (1) MXPA01011183A (en)
NO (1) NO20015363L (en)
RU (1) RU2239488C2 (en)
WO (1) WO2000066249A1 (en)

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