DE2239423C3 - Verfahren zur Trennung der Cymol-Isomeren - Google Patents
Verfahren zur Trennung der Cymol-IsomerenInfo
- Publication number
- DE2239423C3 DE2239423C3 DE19722239423 DE2239423A DE2239423C3 DE 2239423 C3 DE2239423 C3 DE 2239423C3 DE 19722239423 DE19722239423 DE 19722239423 DE 2239423 A DE2239423 A DE 2239423A DE 2239423 C3 DE2239423 C3 DE 2239423C3
- Authority
- DE
- Germany
- Prior art keywords
- cymene
- line
- flow
- stream
- separation
- 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
Links
- 238000000034 method Methods 0.000 title claims description 16
- 238000000926 separation method Methods 0.000 title claims description 10
- 125000000352 p-cymenyl group Chemical class C1(=C(C=C(C=C1)C)*)C(C)C 0.000 title claims description 6
- HFPZCAJZSCWRBC-UHFFFAOYSA-N p-cymene Chemical compound CC(C)C1=CC=C(C)C=C1 HFPZCAJZSCWRBC-UHFFFAOYSA-N 0.000 claims description 59
- XCYJPXQACVEIOS-UHFFFAOYSA-N 1-isopropyl-3-methylbenzene Chemical compound CC(C)C1=CC=CC(C)=C1 XCYJPXQACVEIOS-UHFFFAOYSA-N 0.000 claims description 44
- 239000002808 molecular sieve Substances 0.000 claims description 18
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims description 18
- 238000001179 sorption measurement Methods 0.000 claims description 9
- 238000003795 desorption Methods 0.000 claims description 5
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 claims description 4
- 150000001768 cations Chemical class 0.000 claims description 4
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 4
- 150000002500 ions Chemical class 0.000 claims description 4
- 229910021536 Zeolite Inorganic materials 0.000 claims description 3
- 239000010457 zeolite Substances 0.000 claims description 3
- 229910001422 barium ion Inorganic materials 0.000 claims description 2
- 239000007791 liquid phase Substances 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 229910001414 potassium ion Inorganic materials 0.000 claims description 2
- 239000000203 mixture Substances 0.000 description 17
- 239000012530 fluid Substances 0.000 description 15
- 239000002594 sorbent Substances 0.000 description 14
- WWRCMNKATXZARA-UHFFFAOYSA-N 1-Isopropyl-2-methylbenzene Chemical compound CC(C)C1=CC=CC=C1C WWRCMNKATXZARA-UHFFFAOYSA-N 0.000 description 9
- 238000004821 distillation Methods 0.000 description 7
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- 229930007927 cymene Natural products 0.000 description 6
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 239000003463 adsorbent Substances 0.000 description 2
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 2
- 229910052788 barium Inorganic materials 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- -1 m-cymene o-cymene toluene Chemical compound 0.000 description 2
- 159000000001 potassium salts Chemical class 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 229910000323 aluminium silicate Inorganic materials 0.000 description 1
- 159000000009 barium salts Chemical class 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
- 150000003738 xylenes Chemical class 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C7/00—Purification; Separation; Use of additives
- C07C7/12—Purification; Separation; Use of additives by adsorption, i.e. purification or separation of hydrocarbons with the aid of solids, e.g. with ion-exchangers
- C07C7/13—Purification; Separation; Use of additives by adsorption, i.e. purification or separation of hydrocarbons with the aid of solids, e.g. with ion-exchangers by molecular-sieve technique
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Water Supply & Treatment (AREA)
- Treatment Of Liquids With Adsorbents In General (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US17043671A | 1971-08-10 | 1971-08-10 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2239423A1 DE2239423A1 (de) | 1973-02-15 |
| DE2239423B2 DE2239423B2 (cg-RX-API-DMAC10.html) | 1980-02-28 |
| DE2239423C3 true DE2239423C3 (de) | 1980-10-23 |
Family
ID=22619845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19722239423 Expired DE2239423C3 (de) | 1971-08-10 | 1972-08-10 | Verfahren zur Trennung der Cymol-Isomeren |
Country Status (5)
| Country | Link |
|---|---|
| CA (1) | CA968278A (cg-RX-API-DMAC10.html) |
| DE (1) | DE2239423C3 (cg-RX-API-DMAC10.html) |
| ES (1) | ES405700A1 (cg-RX-API-DMAC10.html) |
| FR (1) | FR2148567B1 (cg-RX-API-DMAC10.html) |
| GB (1) | GB1356726A (cg-RX-API-DMAC10.html) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1275264C (en) * | 1985-03-26 | 1990-10-16 | Daniel D. Rosenfeld | Process for the separation of c10 aromatics isomers |
-
1972
- 1972-07-17 CA CA147,240A patent/CA968278A/en not_active Expired
- 1972-08-09 FR FR7228740A patent/FR2148567B1/fr not_active Expired
- 1972-08-09 ES ES405700A patent/ES405700A1/es not_active Expired
- 1972-08-09 GB GB3724072A patent/GB1356726A/en not_active Expired
- 1972-08-10 DE DE19722239423 patent/DE2239423C3/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2148567B1 (cg-RX-API-DMAC10.html) | 1978-02-10 |
| FR2148567A1 (cg-RX-API-DMAC10.html) | 1973-03-23 |
| DE2239423B2 (cg-RX-API-DMAC10.html) | 1980-02-28 |
| CA968278A (en) | 1975-05-27 |
| DE2239423A1 (de) | 1973-02-15 |
| ES405700A1 (es) | 1975-09-01 |
| GB1356726A (en) | 1974-06-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) | ||
| 8339 | Ceased/non-payment of the annual fee |