SU438179A1 - Acrylonitrile Production Method - Google Patents
Acrylonitrile Production MethodInfo
- Publication number
- SU438179A1 SU438179A1 SU1824856A SU1824856A SU438179A1 SU 438179 A1 SU438179 A1 SU 438179A1 SU 1824856 A SU1824856 A SU 1824856A SU 1824856 A SU1824856 A SU 1824856A SU 438179 A1 SU438179 A1 SU 438179A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- production method
- acrylonitrile
- acrylonitrile production
- selectivity
- propylene
- Prior art date
Links
- NLHHRLWOUZZQLW-UHFFFAOYSA-N acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 title description 5
- 238000004519 manufacturing process Methods 0.000 title description 3
- 238000000034 method Methods 0.000 description 8
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 5
- 229910052787 antimony Inorganic materials 0.000 description 5
- 239000003054 catalyst Substances 0.000 description 5
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 5
- 239000000203 mixture Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000001590 oxidative Effects 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N oxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005915 ammonolysis reaction Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- CURLTUGMZLYLDI-UHFFFAOYSA-N carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 229910052714 tellurium Inorganic materials 0.000 description 1
- PORWMNRCUJJQNO-UHFFFAOYSA-N tellurium Chemical compound [Te] PORWMNRCUJJQNO-UHFFFAOYSA-N 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N tin hydride Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Description
1one
Изобретение относитс к способу получени акрилонитрила, примен емого дл производства различных синтетических материалов.The invention relates to a process for the preparation of acrylonitrile used for the production of various synthetic materials.
Известен способ получени акрилопитрила путем окислительного аммонолиза пропилена при мол рном соотношении пропилена, кислорода и аммиака, равном 1 : ,8-1,5, при 400-500°С в присутствии катализатора, содержащего сурьму, а также один или более элементов, выбранных из группы металлов с переменной валентпостью с добавкой инертного газообразного компонента, например вод ного пара. Селективность процесса по акрилонитрилу при этом составл ет 67-74%.A known method for producing acrylopitrile by oxidative ammonolysis of propylene at a molar ratio of propylene, oxygen and ammonia is 1:, 8-1.5, at 400-500 ° C in the presence of a catalyst containing antimony, and one or more elements selected from variable-valent metal groups with the addition of an inert gaseous component, such as water vapor. The selectivity of the process for acrylonitrile is in this case 67-74%.
Однако в процессе по известному способу по высоте неподвижного сло катализатора, содержаш,его сурьму, создаетс местный перегрев , обусловливаюишй снижение селективности процесса.However, in the process according to a known method, local overheating is created according to the height of the fixed catalyst bed, containing, its antimony, causing a decrease in the selectivity of the process.
С целью улучшени технологии и увеличени селективн(сти процесса по акрилопитрилу при работе с катализаторами, содержаш,ими в качестве активного компонента сурьму, предлагают в качестве инертного газообразного компонента брать окись или двуокисьIn order to improve the technology and increase the selectivity (when working with acrylopitrile, when working with catalysts, containing antimony as an active component, they propose to take oxide or dioxide as an inert gaseous component.
углерода или их смесь в количестве 5- 30 моль на 1 моль пропилена.carbon or a mixture of them in the amount of 5-30 mol per 1 mol of propylene.
Селективность процесса по акрилонитрилуAcrylonitrile Selectivity
по предлагамому способу достигает 77-90%.on the proposed method reaches 77-90%.
Примеры 1-5. Процесс ведут в микрореакторе , представл юш,ем собой трубку из пержавеюш,ей стали диаметром 10 мм и длиной 150 см, с электрообогревом, а также в реакторе диаметром 25,4 мм, длиной 1 м, нагреваемом в ванне из расплава солей.Examples 1-5. The process is carried out in a microreactor, which is a yush, a tube of stainless steel, steel 10 mm in diameter and 150 cm long, electrically heated, and also in a reactor with a diameter of 25.4 mm and a length of 1 m heated in a molten salt bath.
В качестве катализаторов берут смесь соединений , содержаш;их сурьму, а также железо , теллур, вольфрам, олово.They take as a catalyst a mixture of compounds containing antimony, as well as iron, tellurium, tungsten, tin.
Услови проведени процесса в микрореакторе и результаты представлены в табл. 1, аThe conditions of the process in a microreactor and the results are presented in Table. 1, and
услови проведени процесса в реакторе и результаты - в табл. 2.The conditions of the process in the reactor and the results are given in Table. 2
S Предмет изобретени S The subject invention
Способ получени акрилонитрила окислительным аммополизом пропилена при 400 500°С, мол рном соотношении пропилена, кислорода и аммиака, равном 1:1-5: : 0,8-1,5, в присутствии катализатора, содержащего сурьму, один или более элементов, выбранных из группы металлов с переменнойThe method of producing acrylonitrile by oxidative propane ammopolysis at 400,500 ° C, molar ratio of propylene, oxygen and ammonia, is 1: 1-5:: 0.8-1.5, in the presence of a catalyst containing antimony, one or more elements selected from the group of metals with variable
валентностью, и инертный газообразный компонент , с последующим выделением целевого продукта известными приемами, отличающийс тем, что, с целью улучшени технологии процесса и повышени его селективности , в качестве инертного газообразного компонента берут окись или двуокись углерода или их смесь в количестве 5-30 моль на 1 моль пропилена.valency, and an inert gaseous component, followed by separation of the target product by known methods, characterized in that, in order to improve the process technology and increase its selectivity, carbon monoxide or carbon dioxide or their mixture in an amount of 5-30 mol per day is used as an inert gaseous component. 1 mole of propylene.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT28153/71A IT938781B (en) | 1971-09-02 | 1971-09-02 | PERFECTED PROCESS FOR THE PRODUCTION OF UNSATURATED NITRILS |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SU438179A1 true SU438179A1 (en) | 1974-07-30 |
| SU438179A3 SU438179A3 (en) | 1974-07-30 |
Family
ID=11223043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU1824856A SU438179A3 (en) | 1971-09-02 | 1972-09-01 | The method of producing acrylonitrile |
Country Status (24)
| Country | Link |
|---|---|
| JP (1) | JPS4834821A (en) |
| AR (1) | AR198795A1 (en) |
| AT (1) | AT324297B (en) |
| AU (1) | AU471694B2 (en) |
| BE (1) | BE788069A (en) |
| BR (1) | BR7206032D0 (en) |
| CA (1) | CA982607A (en) |
| CH (1) | CH545279A (en) |
| CS (1) | CS187362B2 (en) |
| DD (1) | DD101888A5 (en) |
| DE (1) | DE2243013A1 (en) |
| ES (1) | ES406365A1 (en) |
| FR (1) | FR2151946A5 (en) |
| GB (1) | GB1379628A (en) |
| HU (1) | HU166001B (en) |
| IT (1) | IT938781B (en) |
| LU (1) | LU65963A1 (en) |
| NL (1) | NL7211981A (en) |
| PL (1) | PL89027B1 (en) |
| RO (1) | RO62335A (en) |
| SE (1) | SE402767B (en) |
| SU (1) | SU438179A3 (en) |
| TR (1) | TR17844A (en) |
| ZA (1) | ZA725973B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108017557B (en) * | 2017-12-06 | 2020-11-24 | 中国科学院兰州化学物理研究所苏州研究院 | Cyanidation method for preparing nitrile compound |
-
1971
- 1971-09-02 IT IT28153/71A patent/IT938781B/en active
-
1972
- 1972-08-11 AU AU45512/72A patent/AU471694B2/en not_active Expired
- 1972-08-22 GB GB3904972A patent/GB1379628A/en not_active Expired
- 1972-08-23 ES ES406365A patent/ES406365A1/en not_active Expired
- 1972-08-23 AR AR243703A patent/AR198795A1/en active
- 1972-08-24 TR TR17844A patent/TR17844A/en unknown
- 1972-08-28 BE BE788069A patent/BE788069A/en unknown
- 1972-08-28 LU LU65963A patent/LU65963A1/xx unknown
- 1972-08-28 FR FR7230467A patent/FR2151946A5/fr not_active Expired
- 1972-08-30 ZA ZA725973A patent/ZA725973B/en unknown
- 1972-08-30 DD DD165323A patent/DD101888A5/xx unknown
- 1972-08-31 PL PL1972157561A patent/PL89027B1/pl unknown
- 1972-09-01 AT AT754872A patent/AT324297B/en not_active IP Right Cessation
- 1972-09-01 SU SU1824856A patent/SU438179A3/en active
- 1972-09-01 NL NL7211981A patent/NL7211981A/xx not_active Application Discontinuation
- 1972-09-01 BR BR6032/72A patent/BR7206032D0/en unknown
- 1972-09-01 CS CS726031A patent/CS187362B2/en unknown
- 1972-09-01 CH CH1289872A patent/CH545279A/en not_active IP Right Cessation
- 1972-09-01 HU HUSA2393A patent/HU166001B/hu unknown
- 1972-09-01 SE SE7211396A patent/SE402767B/en unknown
- 1972-09-01 CA CA150,850A patent/CA982607A/en not_active Expired
- 1972-09-01 DE DE2243013A patent/DE2243013A1/en active Pending
- 1972-09-02 RO RO7200072125A patent/RO62335A/en unknown
- 1972-09-02 JP JP47087603A patent/JPS4834821A/ja active Pending
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