DE2647757A1 - Verfahren zur trennung aromatischer kohlenwasserstoffe durch extraktive destillation - Google Patents
Verfahren zur trennung aromatischer kohlenwasserstoffe durch extraktive destillationInfo
- Publication number
- DE2647757A1 DE2647757A1 DE19762647757 DE2647757A DE2647757A1 DE 2647757 A1 DE2647757 A1 DE 2647757A1 DE 19762647757 DE19762647757 DE 19762647757 DE 2647757 A DE2647757 A DE 2647757A DE 2647757 A1 DE2647757 A1 DE 2647757A1
- Authority
- DE
- Germany
- Prior art keywords
- fraction
- silica gel
- benzene
- extractive distillation
- column
- 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.)
- Withdrawn
Links
- 238000000895 extractive distillation Methods 0.000 title claims description 28
- 238000000034 method Methods 0.000 title claims description 28
- 238000000926 separation method Methods 0.000 title claims description 6
- 150000004945 aromatic hydrocarbons Chemical class 0.000 title description 14
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 141
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 84
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 63
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 60
- 239000000741 silica gel Substances 0.000 claims description 36
- 229910002027 silica gel Inorganic materials 0.000 claims description 36
- 150000002430 hydrocarbons Chemical class 0.000 claims description 23
- 229930195733 hydrocarbon Natural products 0.000 claims description 22
- 239000002798 polar solvent Substances 0.000 claims description 15
- 239000000499 gel Substances 0.000 claims description 13
- 239000000377 silicon dioxide Substances 0.000 claims description 12
- 239000004215 Carbon black (E152) Substances 0.000 claims description 11
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 claims description 11
- 235000012239 silicon dioxide Nutrition 0.000 claims description 11
- 229930195734 saturated hydrocarbon Natural products 0.000 claims description 9
- 239000002904 solvent Substances 0.000 claims description 8
- 238000001033 granulometry Methods 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 5
- 229920006395 saturated elastomer Polymers 0.000 claims description 5
- 238000003795 desorption Methods 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 238000001179 sorption measurement Methods 0.000 claims description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims 1
- 229910052710 silicon Inorganic materials 0.000 claims 1
- 239000010703 silicon Substances 0.000 claims 1
- 238000011069 regeneration method Methods 0.000 description 20
- 230000008929 regeneration Effects 0.000 description 19
- 239000000203 mixture Substances 0.000 description 17
- 150000001875 compounds Chemical class 0.000 description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 125000003118 aryl group Chemical group 0.000 description 7
- 238000009835 boiling Methods 0.000 description 7
- 125000004432 carbon atom Chemical group C* 0.000 description 6
- 238000010992 reflux Methods 0.000 description 5
- 229940113088 dimethylacetamide Drugs 0.000 description 4
- 238000004821 distillation Methods 0.000 description 4
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 2
- 125000001931 aliphatic group Chemical group 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- HYBBIBNJHNGZAN-UHFFFAOYSA-N furfural Chemical compound O=CC1=CC=CO1 HYBBIBNJHNGZAN-UHFFFAOYSA-N 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 241000282979 Alces alces Species 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 125000000753 cycloalkyl group Chemical group 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 125000005842 heteroatom Chemical group 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000002407 reforming Methods 0.000 description 1
- 239000012492 regenerant Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000004230 steam cracking Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- HXJUTPCZVOIRIF-UHFFFAOYSA-N sulfolane Chemical compound O=S1(=O)CCCC1 HXJUTPCZVOIRIF-UHFFFAOYSA-N 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C7/00—Purification; Separation; Use of additives
- C07C7/04—Purification; Separation; Use of additives by distillation
- C07C7/05—Purification; Separation; Use of additives by distillation with the aid of auxiliary compounds
- C07C7/08—Purification; Separation; Use of additives by distillation with the aid of auxiliary compounds by extractive distillation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Water Supply & Treatment (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7533133A FR2329621A2 (fr) | 1975-10-28 | 1975-10-28 | Procede de purification du raffinat d'une distillation extractive d'hydrocarbures |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2647757A1 true DE2647757A1 (de) | 1977-05-05 |
Family
ID=9161807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19762647757 Withdrawn DE2647757A1 (de) | 1975-10-28 | 1976-10-22 | Verfahren zur trennung aromatischer kohlenwasserstoffe durch extraktive destillation |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS5253820A (enrdf_load_html_response) |
| BE (1) | BE847533R (enrdf_load_html_response) |
| DD (1) | DD127459A1 (enrdf_load_html_response) |
| DE (1) | DE2647757A1 (enrdf_load_html_response) |
| FR (1) | FR2329621A2 (enrdf_load_html_response) |
| GB (1) | GB1506099A (enrdf_load_html_response) |
| IT (1) | IT1069009B (enrdf_load_html_response) |
| NL (1) | NL7611930A (enrdf_load_html_response) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100340641C (zh) * | 2004-07-06 | 2007-10-03 | 中国石油化工股份有限公司 | 一种纯化煤液化油中芳烃的方法 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108083965A (zh) * | 2017-12-06 | 2018-05-29 | 启东久星化工有限公司 | 一种甲苯的回收利用工艺 |
-
1975
- 1975-10-28 FR FR7533133A patent/FR2329621A2/fr active Granted
-
1976
- 1976-10-22 DE DE19762647757 patent/DE2647757A1/de not_active Withdrawn
- 1976-10-22 BE BE1007713A patent/BE847533R/xx active
- 1976-10-26 DD DD19546476A patent/DD127459A1/xx unknown
- 1976-10-27 JP JP12999076A patent/JPS5253820A/ja active Pending
- 1976-10-27 IT IT2873276A patent/IT1069009B/it active
- 1976-10-27 NL NL7611930A patent/NL7611930A/xx not_active Application Discontinuation
- 1976-10-28 GB GB4488776A patent/GB1506099A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100340641C (zh) * | 2004-07-06 | 2007-10-03 | 中国石油化工股份有限公司 | 一种纯化煤液化油中芳烃的方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| IT1069009B (it) | 1985-03-21 |
| JPS5253820A (en) | 1977-04-30 |
| BE847533R (fr) | 1977-04-22 |
| DD127459A1 (enrdf_load_html_response) | 1977-09-28 |
| GB1506099A (en) | 1978-04-05 |
| NL7611930A (nl) | 1977-05-02 |
| FR2329621B2 (enrdf_load_html_response) | 1979-05-04 |
| FR2329621A2 (fr) | 1977-05-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8141 | Disposal/no request for examination |