RU2018133588A - Окислительное дегидрирование алканов (од) - Google Patents
Окислительное дегидрирование алканов (од) Download PDFInfo
- Publication number
- RU2018133588A RU2018133588A RU2018133588A RU2018133588A RU2018133588A RU 2018133588 A RU2018133588 A RU 2018133588A RU 2018133588 A RU2018133588 A RU 2018133588A RU 2018133588 A RU2018133588 A RU 2018133588A RU 2018133588 A RU2018133588 A RU 2018133588A
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- RU
- Russia
- Prior art keywords
- reactor
- downstream
- upstream
- catalyst
- oxidative dehydrogenation
- Prior art date
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- 238000005839 oxidative dehydrogenation reaction Methods 0.000 title claims 12
- 150000001335 aliphatic alkanes Chemical class 0.000 title claims 5
- 239000003054 catalyst Substances 0.000 claims 22
- 238000011144 upstream manufacturing Methods 0.000 claims 13
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims 11
- 229910052760 oxygen Inorganic materials 0.000 claims 11
- 239000001301 oxygen Substances 0.000 claims 11
- 238000000034 method Methods 0.000 claims 8
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 claims 4
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims 4
- 239000005977 Ethylene Substances 0.000 claims 4
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 claims 4
- 125000004432 carbon atom Chemical group C* 0.000 claims 4
- 239000002826 coolant Substances 0.000 claims 4
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims 3
- 150000001336 alkenes Chemical class 0.000 claims 3
- 239000007789 gas Substances 0.000 claims 3
- 229910052750 molybdenum Inorganic materials 0.000 claims 3
- 239000011733 molybdenum Substances 0.000 claims 3
- 229910052714 tellurium Inorganic materials 0.000 claims 3
- PORWMNRCUJJQNO-UHFFFAOYSA-N tellurium atom Chemical compound [Te] PORWMNRCUJJQNO-UHFFFAOYSA-N 0.000 claims 3
- 238000001816 cooling Methods 0.000 claims 2
- 239000000110 cooling liquid Substances 0.000 claims 2
- 229910052802 copper Inorganic materials 0.000 claims 2
- 229910052742 iron Inorganic materials 0.000 claims 2
- 229910052751 metal Inorganic materials 0.000 claims 2
- 239000002184 metal Substances 0.000 claims 2
- 229910052763 palladium Inorganic materials 0.000 claims 2
- 229910052697 platinum Inorganic materials 0.000 claims 2
- 239000001294 propane Substances 0.000 claims 2
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims 2
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 claims 2
- 229910052709 silver Inorganic materials 0.000 claims 2
- 238000006243 chemical reaction Methods 0.000 claims 1
- 238000005192 partition Methods 0.000 claims 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C5/00—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms
- C07C5/42—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by dehydrogenation with a hydrogen acceptor
- C07C5/48—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by dehydrogenation with a hydrogen acceptor with oxygen as an acceptor
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/02—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds
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- B01J2208/00106—Controlling the temperature by indirect heat exchange
- B01J2208/00168—Controlling the temperature by indirect heat exchange with heat exchange elements outside the bed of solid particles
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- B01J2208/00221—Plates; Jackets; Cylinders comprising baffles for guiding the flow of the heat exchange medium
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- B01J2208/00513—Controlling the temperature using inert heat absorbing solids in the bed
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Claims (46)
1. Способ окислительного дегидрирования алкана, содержащего от 2 до 6 атомов углерода, предпочтительно этана или пропана, более предпочтительно этана, до алкена, содержащего от 2 до 6 атомов углерода, предпочтительно этилена или пропилена, более предпочтительно этилена, включающий
подачу исходного газа, содержащего алкан и кислород, во входное отверстие в реакторе, причем реактор содержит корпус реактора, множество реакторных труб, расположенных внутри корпуса реактора, и перфорированную перегородку, которая разделяет внутреннюю часть реактора на расположенный выше по потоку участок и расположенный ниже по потоку участок, при этом множество реакторных труб содержат:
(i) расположенный выше по потоку слой катализатора, расположенный в участке выше по потоку, который содержит катализатор окислительного дегидрирования, содержащий теллур, и
(ii) расположенный ниже по потоку слой катализатора, расположенный в участке ниже по потоку, который содержит катализатор окислительного дегидрирования/удаления кислорода;
приведение в контакт исходного газа с катализатором окислительного дегидрирования в слое катализатора, расположенном выше по потоку, с последующим приведением в контакт с катализатором окислительного дегидрирования/удаления кислорода в слое катализатора, расположенном ниже по потоку с получением выходящего из реактора потока, содержащего алкен; и
подачу охлаждающей жидкости в верхнее пространство корпуса реактора из контура охлаждающей жидкости выше по потоку и подачу охлаждающей жидкости в нижнее пространство корпуса реактора из контура охлаждающей жидкости ниже по потоку.
2. Способ по п. 1, отличающийся тем, что слой катализатора выше по потоку имеет высоту слоя катализатора от 50 до 99% длины реакторной трубы и слой катализатора ниже по потоку имеет высоту слоя катализатора от 1% до 50% длины реакторной трубы.
3. Способ по п. 1 или 2, отличающийся тем, что охлаждающая жидкость выше по потоку подается в верхнее пространство корпуса реактора при температуре от 250°C до 400°C.
4. Способ по любому из пп. 1-3, отличающийся тем, что охлаждающая жидкость ниже по потоку подается в нижнее пространство корпуса реактора при температуре от 120°C до 500°C.
5. Способ по любому из пп. 1-4, отличающийся тем, что поток, выходящий из реактора, содержит не более чем 500 об.м.д. кислорода.
6. Способ по любому из пп. 1-5, отличающийся тем, что катализатор окислительного дегидрирования, содержащий теллур в находящемся выше по потоку слое катализатора, имеет следующую формулу
Mo1VaTebNbcOn,
где:
a, b, c и n представляют собой соотношение молярного количества рассматриваемого элемента к молярному количеству молибдена;
a равно от 0,01 до 1;
b равно от >0 до 1;
c равно от >0 до 1; и
n равно числу, которое определяется валентностью и количеством элементов, отличных от кислорода.
7. Способ по любому из пп. 1-6, отличающийся тем, что катализатор окислительного дегидрирования/удаления кислорода в находящемся ниже по потоку слое катализатора, имеет одну из следующих формул
a) Mo1VaSbbNbcAdOn;
b) Mo1VaSbbNbcOn;
c) Mo1VaSbbAdOn; или
d) Mo1VaSbbOn;
где:
A представляет собой по меньшей мере один металл, выбранный из группы, состоящей из Pt, Pd, Cu, Ag и Fe;
a, b, c, d и n представляют собой соотношение молярного количества рассматриваемого элемента к молярному количеству молибдена;
a равно от 0,01 до 1;
b равно от >0 до 1;
c равно от >0 до 1;
d равно от >0 до 0,3; и
n (для O) равно числу, которое определяется валентностью и количеством элементов, отличных от кислорода.
8. Способ по любому из пп. 1-6, отличающийся тем, что катализатор окислительного дегидрирования/удаления кислорода в находящемся ниже по потоку слое катализатора, имеет следующую формулу
Mo1VaTebNbcAdOn,
где:
A представляет собой по меньшей мере один металл, выбранный из группы, состоящей из Pt, Pd, Cu, Ag и Fe;
a, b, c, d и n представляют собой соотношение молярного количества рассматриваемого элемента к молярному количеству молибдена;
a равно от 0,01 до 1;
b равно от >0 до 1;
c равно от >0 до 1;
d равно от >0 до 0,3; и
n равно числу, которое определяется валентностью и количеством элементов, отличных от кислорода.
9. Реакционная система для окислительного дегидрирования алкана, содержащего от 2 до 6 атомов углерода, предпочтительно этана или пропана, более предпочтительно этана, до алкена, содержащего от 2 до 6 атомов углерода, предпочтительно этилена или пропилена, более предпочтительно этилена, включающая
реактор, который содержит входное отверстие для подачи газа, жидкостно соединеннoе с источником алкана и кислорода, корпус реактора, перфорированную перегородку, которая делит внутреннюю часть реактора на участок выше по потоку и участок ниже по потоку, и множество реакторных труб, расположенных внутри корпуса реактора, содержащего:
(i) находящийся выше по потоку слой катализатора, расположенный в участке выше по потоку, который содержит катализатор окислительного дегидрирования, содержащий теллур, и
(ii) слой катализатора, расположенный в участке ниже по потоку, который содержит катализатор окислительного дегидрирования/удаления кислорода; контур охлаждения выше по потоку, жидкостно соединенный с корпусом реактора выше по потоку;
а также контур охлаждения ниже по потоку, жидкостно соединенный с корпусом реактора ниже по потоку.
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US11891357B2 (en) | 2018-03-13 | 2024-02-06 | Nova Chemicals (International) S.A. | Process to produce ethylene and vinyl acetate monomer and derivatives thereof |
EP3587383A1 (de) * | 2018-06-21 | 2020-01-01 | Linde Aktiengesellschaft | Verfahren und anlage zur herstellung eines oder mehrerer olefine und einer oder mehrerer carbonsäuren |
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DE102021202492A1 (de) * | 2021-03-15 | 2022-09-15 | Clariant International Ltd. | Verfahren und anlage zur herstellung einer zielverbindung |
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