CN1121382C - 改进的丙烯腈回收方法 - Google Patents
改进的丙烯腈回收方法 Download PDFInfo
- Publication number
- CN1121382C CN1121382C CN97117371A CN97117371A CN1121382C CN 1121382 C CN1121382 C CN 1121382C CN 97117371 A CN97117371 A CN 97117371A CN 97117371 A CN97117371 A CN 97117371A CN 1121382 C CN1121382 C CN 1121382C
- Authority
- CN
- China
- Prior art keywords
- tower
- inch
- pound
- recovery tower
- recovery
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000011084 recovery Methods 0.000 title claims abstract description 41
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 claims abstract description 39
- GYCMBHHDWRMZGG-UHFFFAOYSA-N Methylacrylonitrile Chemical compound CC(=C)C#N GYCMBHHDWRMZGG-UHFFFAOYSA-N 0.000 claims abstract description 23
- 238000010521 absorption reaction Methods 0.000 claims abstract description 13
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims abstract description 9
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 claims abstract description 9
- 238000006243 chemical reaction Methods 0.000 claims abstract description 8
- VQTUBCCKSQIDNK-UHFFFAOYSA-N Isobutene Chemical group CC(C)=C VQTUBCCKSQIDNK-UHFFFAOYSA-N 0.000 claims abstract description 6
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 20
- 229910021529 ammonia Inorganic materials 0.000 claims description 10
- 239000007789 gas Substances 0.000 claims description 8
- 230000001590 oxidative effect Effects 0.000 claims description 8
- 238000005915 ammonolysis reaction Methods 0.000 claims description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 7
- 239000001301 oxygen Substances 0.000 claims description 7
- 229910052760 oxygen Inorganic materials 0.000 claims description 7
- 239000003054 catalyst Substances 0.000 claims description 6
- 238000010297 mechanical methods and process Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 14
- 239000000047 product Substances 0.000 description 13
- 238000000746 purification Methods 0.000 description 9
- 238000004821 distillation Methods 0.000 description 5
- 238000010791 quenching Methods 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 4
- 150000001336 alkenes Chemical class 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 241000282326 Felis catus Species 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 150000008360 acrylonitriles Chemical class 0.000 description 1
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical group N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- OTKOPKDCLGDHFV-UHFFFAOYSA-N azane;2-methylprop-1-ene Chemical compound N.CC(C)=C OTKOPKDCLGDHFV-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000007809 chemical reaction catalyst Substances 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000012043 crude product Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- LELOWRISYMNNSU-UHFFFAOYSA-N hydrogen cyanide Chemical compound N#C LELOWRISYMNNSU-UHFFFAOYSA-N 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 210000000952 spleen Anatomy 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Abstract
Description
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN97117371A CN1121382C (zh) | 1997-08-06 | 1997-08-06 | 改进的丙烯腈回收方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN97117371A CN1121382C (zh) | 1997-08-06 | 1997-08-06 | 改进的丙烯腈回收方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1207386A CN1207386A (zh) | 1999-02-10 |
| CN1121382C true CN1121382C (zh) | 2003-09-17 |
Family
ID=5174442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN97117371A Expired - Lifetime CN1121382C (zh) | 1997-08-06 | 1997-08-06 | 改进的丙烯腈回收方法 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1121382C (zh) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4269667A (en) * | 1979-08-02 | 1981-05-26 | Standard Oil Company | Acrylonitrile purification by extractive distillation |
-
1997
- 1997-08-06 CN CN97117371A patent/CN1121382C/zh not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4269667A (en) * | 1979-08-02 | 1981-05-26 | Standard Oil Company | Acrylonitrile purification by extractive distillation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1207386A (zh) | 1999-02-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: O AND D AMERICA CO., LTD. Free format text: FORMER OWNER: THE STANDARD OIL CO. Effective date: 20070302 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| C56 | Change in the name or address of the patentee |
Owner name: INNOVENE AMERICA CO., LTD. Free format text: FORMER NAME OR ADDRESS: O AND D AMERICA CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: Illinois, USA Patentee after: Innovene USA LLC Address before: Illinois, USA Patentee before: O and D USA LLC |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20070302 Address after: Illinois, USA Patentee after: O and D USA LLC Address before: Ohio, USA Patentee before: The Standard Oil Co. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20030917 |
|
| CX01 | Expiry of patent term |