FR2739097B1 - Procede de purification de paraxylene par cristallisation fractionnee - Google Patents
Procede de purification de paraxylene par cristallisation fractionneeInfo
- Publication number
- FR2739097B1 FR2739097B1 FR9611507A FR9611507A FR2739097B1 FR 2739097 B1 FR2739097 B1 FR 2739097B1 FR 9611507 A FR9611507 A FR 9611507A FR 9611507 A FR9611507 A FR 9611507A FR 2739097 B1 FR2739097 B1 FR 2739097B1
- Authority
- FR
- France
- Prior art keywords
- paraxylene
- purification
- fractional crystallization
- fractional
- crystallization
- 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 - Fee Related
Links
- URLKBWYHVLBVBO-UHFFFAOYSA-N Para-Xylene Chemical compound CC1=CC=C(C)C=C1 URLKBWYHVLBVBO-UHFFFAOYSA-N 0.000 title 2
- 238000001640 fractional crystallisation Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 238000000746 purification Methods 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C7/00—Purification; Separation; Use of additives
- C07C7/14—Purification; Separation; Use of additives by crystallisation; Purification or separation of the crystals
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural 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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US413995P | 1995-09-22 | 1995-09-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2739097A1 FR2739097A1 (fr) | 1997-03-28 |
| FR2739097B1 true FR2739097B1 (fr) | 1997-12-19 |
Family
ID=21709363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR9611507A Expired - Fee Related FR2739097B1 (fr) | 1995-09-22 | 1996-09-20 | Procede de purification de paraxylene par cristallisation fractionnee |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US5811629A (fr) |
| FR (1) | FR2739097B1 (fr) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2728894A1 (fr) * | 1994-12-29 | 1996-07-05 | Inst Francais Du Petrole | Procede de separation de paraxylene comportant au moins deux etages de cristallisation a haute temperature |
| US6376736B1 (en) | 1998-06-12 | 2002-04-23 | Washington Group International, Inc. | Production of high purity meta-xylene |
| US6565653B2 (en) * | 2001-05-08 | 2003-05-20 | Bp Corporation North America Inc. | Energy efficient process for producing high purity paraxylene |
| US7405340B2 (en) * | 2004-04-01 | 2008-07-29 | Bp Corporation North America Inc. | Process for recovering paraxylene utilizing ammonia absorption refrigeration |
| US7687674B2 (en) | 2006-12-28 | 2010-03-30 | Uop Llc | Low temperature process for recovering and producing para-xylene and heat exchange network therefore |
| US8252967B2 (en) | 2009-04-14 | 2012-08-28 | Exxonmobil Chemical Patents Inc. | Process for the purification of paraxylene |
| CN105814118B (zh) | 2014-06-06 | 2019-08-06 | 西北大学 | 碳水化合物介导的石化产品的纯化 |
| US11040930B2 (en) * | 2017-12-05 | 2021-06-22 | Ineos Us Chemicals Company | Method of recovering paraxylene in a crystallization zone |
Family Cites Families (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL125644C (fr) * | 1961-05-22 | |||
| US3467724A (en) * | 1966-06-15 | 1969-09-16 | Chevron Res | P-xylene process |
| US3624172A (en) * | 1970-08-03 | 1971-11-30 | Universal Oil Prod Co | Process for the production of para-xylene |
| US4117026A (en) * | 1976-05-12 | 1978-09-26 | Mobil Oil Corporation | Selective production of para dialkyl substituted benzenes |
| US4097543A (en) * | 1976-05-12 | 1978-06-27 | Mobil Oil Corporation | Selective disproportionation of toluene |
| US4332599A (en) * | 1977-01-12 | 1982-06-01 | Douwe Egberts Koninklijke, Tabaksfabriek-Koffiebranderijen - Theehandel B.V. | Continuous packed bed wash column |
| US4316368A (en) * | 1980-10-30 | 1982-02-23 | Grasso's Koniklijke Machinefabrieken, N.V. | Multi-stage counter-current concentrating method |
| US4433558A (en) * | 1981-08-25 | 1984-02-28 | Cheng Chen Yen | Parallel contact distillative freezing process for separating volatile mixtures and apparatuses for use therein |
| NL8200075A (nl) * | 1982-01-11 | 1983-08-01 | Tno | Werkwijze voor het continu gedeeltelijk kristaliseren en het scheiden van een vloeibaar mengsel en een inrichting voor het uitvoeren van deze werkwijze. |
| JPS5966305A (ja) * | 1982-10-05 | 1984-04-14 | Tsukishima Kikai Co Ltd | 向流式溶融物冷却精製法 |
| US4578093A (en) * | 1983-03-31 | 1986-03-25 | Cheng Chen Yen | Wet and dry distillative freezing process for separating mixtures and apparatuses for use therein |
| EP0191194A1 (fr) * | 1985-02-15 | 1986-08-20 | Gist-Brocades N.V. | Dispositif et procédé pour séparer des particules d'une suspension et/ou pour les purifier ou lessiver |
| NL8603314A (nl) * | 1986-12-29 | 1988-07-18 | Grasso Koninkl Maschf | Werkwijze en inrichting voor het winnen van een zuivere stof uit een vloeibaar mengsel door kristallisatie. |
| US4787985A (en) * | 1987-08-25 | 1988-11-29 | Grenco Process Technology B.V. | Multi-stage purification unit process |
| DE58902934D1 (de) * | 1988-05-05 | 1993-01-21 | Krupp Koppers Gmbh | Verfahren zur gewinnung von p-xylol mit einer reinheit von mindestens 99,5 %. |
| TW200454B (fr) * | 1991-09-05 | 1993-02-21 | Inst Of France Petroleum | |
| US5329060A (en) * | 1993-04-01 | 1994-07-12 | Uop | Integrated selective adsorption and crystallization process for para-xylene recovery |
| US5329061A (en) * | 1993-06-01 | 1994-07-12 | Uop | Crystallization process for para-xylene recovery using two-stage recovery section |
| US5448005A (en) * | 1994-04-04 | 1995-09-05 | Mobil Oil Corporation | Crystallization of paraxlene from high purity paraxylene feeds |
| US5498822A (en) * | 1994-04-04 | 1996-03-12 | Mobil Oil Corporation | Single temperature stage crystallization of paraxylene |
-
1996
- 1996-09-20 US US08/710,733 patent/US5811629A/en not_active Expired - Lifetime
- 1996-09-20 FR FR9611507A patent/FR2739097B1/fr not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| FR2739097A1 (fr) | 1997-03-28 |
| US5811629A (en) | 1998-09-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| TP | Transmission of property | ||
| TP | Transmission of property | ||
| ST | Notification of lapse |
Effective date: 20110531 |