DE2105040A1 - Einstufiges Kristallisationsverfahren zur Abtrennung von p-Xylol von hoher Reinheit - Google Patents
Einstufiges Kristallisationsverfahren zur Abtrennung von p-Xylol von hoher ReinheitInfo
- Publication number
- DE2105040A1 DE2105040A1 DE19712105040 DE2105040A DE2105040A1 DE 2105040 A1 DE2105040 A1 DE 2105040A1 DE 19712105040 DE19712105040 DE 19712105040 DE 2105040 A DE2105040 A DE 2105040A DE 2105040 A1 DE2105040 A1 DE 2105040A1
- Authority
- DE
- Germany
- Prior art keywords
- xylene
- toluene
- filter
- cake
- line
- 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.)
- Pending
Links
- URLKBWYHVLBVBO-UHFFFAOYSA-N Para-Xylene Chemical group CC1=CC=C(C)C=C1 URLKBWYHVLBVBO-UHFFFAOYSA-N 0.000 title claims description 92
- 238000002425 crystallisation Methods 0.000 title claims description 15
- 230000008025 crystallization Effects 0.000 title claims description 15
- 238000000034 method Methods 0.000 title claims description 14
- 238000000926 separation method Methods 0.000 title description 4
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 111
- 239000000203 mixture Substances 0.000 claims description 13
- 239000002002 slurry Substances 0.000 claims description 10
- 239000012452 mother liquor Substances 0.000 claims description 8
- 238000005406 washing Methods 0.000 claims description 7
- 150000003738 xylenes Chemical class 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 6
- 239000013078 crystal Substances 0.000 description 6
- IVSZLXZYQVIEFR-UHFFFAOYSA-N m-xylene Chemical group CC1=CC=CC(C)=C1 IVSZLXZYQVIEFR-UHFFFAOYSA-N 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- YNQLUTRBYVCPMQ-UHFFFAOYSA-N Ethylbenzene Chemical compound CCC1=CC=CC=C1 YNQLUTRBYVCPMQ-UHFFFAOYSA-N 0.000 description 2
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 2
- 125000003118 aryl group Chemical group 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000005496 eutectics Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 229940078552 o-xylene Drugs 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 239000008096 xylene Substances 0.000 description 2
- 101100049053 Mus musculus Vash1 gene Proteins 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012065 filter cake Substances 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 238000011027 product recovery Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/0004—Crystallisation cooling by heat exchange
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/0059—General arrangements of crystallisation plant, e.g. flow sheets
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S585/00—Chemistry of hydrocarbon compounds
- Y10S585/8995—Catalyst and recycle considerations
- Y10S585/901—Catalyst and recycle considerations with recycle, rehabilitation, or preservation of solvent, diluent, or mass action agent
Landscapes
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (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 |
|---|---|---|---|
| US821570A | 1970-02-03 | 1970-02-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2105040A1 true DE2105040A1 (de) | 1971-08-19 |
Family
ID=21730394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19712105040 Pending DE2105040A1 (de) | 1970-02-03 | 1971-02-03 | Einstufiges Kristallisationsverfahren zur Abtrennung von p-Xylol von hoher Reinheit |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3662013A (https=) |
| JP (1) | JPS546536B1 (https=) |
| DE (1) | DE2105040A1 (https=) |
| GB (1) | GB1279362A (https=) |
| NL (1) | NL170618C (https=) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3916018A (en) * | 1973-03-26 | 1975-10-28 | Atlantic Richfield Co | Separation of paraxylene |
| US5498822A (en) * | 1994-04-04 | 1996-03-12 | Mobil Oil Corporation | Single temperature stage crystallization of paraxylene |
| US5448005A (en) * | 1994-04-04 | 1995-09-05 | Mobil Oil Corporation | Crystallization of paraxlene from high purity paraxylene feeds |
| 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 |
| US6878855B2 (en) | 2000-02-22 | 2005-04-12 | Exxonmobil Chemical Patents Inc. | Process for producing para-xylene |
| TWI240716B (en) | 2000-07-10 | 2005-10-01 | Bp Corp North America Inc | Pressure swing adsorption process for separating paraxylene and ethylbenzene from mixed C8 aromatics |
| KR101048568B1 (ko) * | 2006-04-25 | 2011-07-12 | 엑손모빌 케미칼 패턴츠 인코포레이티드 | 파라-크실렌의 생산방법 |
| US7683233B2 (en) | 2006-09-14 | 2010-03-23 | Exxonmobil Chemical Patents Inc. | Process for producing para-xylene |
| MY148326A (en) * | 2007-04-04 | 2013-03-29 | Exxonmobil Chem Patents Inc | Process and apparatus for para-xylene production |
| US8252967B2 (en) * | 2009-04-14 | 2012-08-28 | Exxonmobil Chemical Patents Inc. | Process for the purification of paraxylene |
| WO2018217327A1 (en) | 2017-05-23 | 2018-11-29 | Exxonmobil Chemical Patents Inc. | Systems and methods for deep crystallization of xylene streams |
| MX2020012040A (es) * | 2018-06-13 | 2021-01-29 | Cargill Inc | Filtro de descarga de liquido y su uso. |
| KR102811928B1 (ko) | 2019-08-23 | 2025-05-22 | 엑손모빌 케미칼 패턴츠 인코포레이티드 | C8 방향족 탄화수소를 이성질체화하기 위한 방법 |
| US20220289645A1 (en) | 2019-08-23 | 2022-09-15 | Exxonmobil Chemical Patents Inc. | Processes for Isomerizing C8 Aromatic Hydrocarbons Using Serial Reactors |
| US11325873B1 (en) | 2021-07-28 | 2022-05-10 | Battelle Memorial Institute | Method and system embodiments for converting ethanol to para-xylene and ortho-xylene |
| US12264116B2 (en) | 2021-07-28 | 2025-04-01 | Battelle Memorial Institute | Method and system embodiments for converting ethanol to para-xylene and ortho-xylene |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3462511A (en) * | 1967-05-22 | 1969-08-19 | Sinclair Research Inc | Separation of p-xylene from a c8 aromatic hydrocarbon mixture by crystallization |
| US3462506A (en) * | 1967-05-22 | 1969-08-19 | Sinclair Research Inc | Separation of p-xylene from a c8 aromatic hydrocarbon mixture by crystallization |
-
1970
- 1970-02-03 US US8215A patent/US3662013A/en not_active Expired - Lifetime
-
1971
- 1971-01-11 GB GB0188/71A patent/GB1279362A/en not_active Expired
- 1971-01-29 NL NLAANVRAGE7101250,A patent/NL170618C/xx not_active IP Right Cessation
- 1971-02-01 JP JP335871A patent/JPS546536B1/ja active Pending
- 1971-02-03 DE DE19712105040 patent/DE2105040A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| NL170618B (nl) | 1982-07-01 |
| NL7101250A (https=) | 1971-08-05 |
| GB1279362A (en) | 1972-06-28 |
| JPS546536B1 (https=) | 1979-03-29 |
| NL170618C (nl) | 1982-12-01 |
| US3662013A (en) | 1972-05-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE2105040A1 (de) | Einstufiges Kristallisationsverfahren zur Abtrennung von p-Xylol von hoher Reinheit | |
| DE1468705A1 (de) | Verfahren zur Gewinnung von para-Xylol | |
| DE2552121A1 (de) | Trennungsverfahren | |
| DE2509182A1 (de) | Einstufiges kristallisationsverfahren zur gewinnung von hochgereinigtem p-xylol | |
| DE60102641T2 (de) | Verfahren zur Herstellung von 2,6-Dimethylnaphthalin | |
| DE2659292C2 (https=) | ||
| DE1242212B (de) | Verfahren zur Abscheidung von Isophthalsaeure aus an Isophthalsaeure und Terephthalsaeure heiss gesaettigter Loesung | |
| DE1249245B (de) | Verfahren zur Abtrennung eines reinen kristallisierbaren Kohlenwasserstoffes aus einem Kohlenwasserstoffgemisch durch mehrstufiges Umkristallisieren unter teilweiser Rückführung der Mutterlauge | |
| US1779287A (en) | Process for the separation of fatty or waxlike bodies from their solutions | |
| DE2065780A1 (de) | Verfahren zur extraktion aromatischer kohlenwasserstoffe aus einem kohlenwasserstoffgemisch in einem mehrstufensystem | |
| DE2115448C3 (de) | Verfahren zum Anreichern von 2,6-Dimethylnaphthalin in Dimethylnaphthalinisomerengemischen | |
| DE1545365A1 (de) | Verfahren zur Abtrennung von aromatischen Kohlenwasserstoffen aus Mischungen aromatischer und nichtaromatischer Kohlenwasserstoffe | |
| DE1468800A1 (de) | Verfahren zur Extraktion von Anthracen und Carbazol aus anthracenischen Rohoelen,die aus Steinkohlenteer gewonnen werden | |
| DE1545279B2 (de) | Verfahren zur wiedergewinnung von chlorkohlenwasserstoffloesungsmitteln aus dem oelfiltrat und dem davon abgetrennten paraffingatsch, die bei der entparaffinierung von mineraloelen, teeren und deren destillationsprodukten erhalten worden sind | |
| DE19944252C2 (de) | Verfahren zum Herstellen von hochreinem Inden | |
| DE931464C (de) | Verfahren zur kontinuierlichen Gewinnung von Benzol hohen Reinheitsgrades | |
| DE1257146B (de) | Verfahren zum Auswaschen von mit Wasser nicht mischbaren Mutterlaugen aus wasserschwerloeslichen Filterkuchen | |
| DE2004827B2 (de) | Verfahren zur Abtrennung eines kristallisierbaren Bestandteils aus einer Lösung | |
| DE68905673T2 (de) | Verfahren zur Ausscheidung von 2,6-Dimethylnaphthalin. | |
| DE2340625A1 (de) | Selektive abtrennung von xylolen durch klasseneinteilung von kristallen unterschiedlicher groesse | |
| DE68902961T2 (de) | Kontrollanlage fuer das entparaffinieren von schmieroelen mit loesungsmitteln. | |
| DE1768473A1 (de) | Verfahren zur Abtrennung von p-Xylol aus einer aromatischen Kohlenwasserstoffraktion | |
| DE735322C (de) | Verfahren zur Entfaerbung von gereinigten, hochsiedenden Teerkohlenwasserstoffen | |
| DE1493085C (de) | Verfahren zur kontinuierlichen Gewinnung von p Xylol aus flussigen, p-Xylol enthaltenden Gemischen | |
| DE945533C (de) | Verfahren zur Gerwinnung kristallisierbarer Kohlenwasserstoffe aus Mineraloelfraktionen |