GB1229099A - - Google Patents
Info
- Publication number
- GB1229099A GB1229099A GB1229099DA GB1229099A GB 1229099 A GB1229099 A GB 1229099A GB 1229099D A GB1229099D A GB 1229099DA GB 1229099 A GB1229099 A GB 1229099A
- Authority
- GB
- United Kingdom
- Prior art keywords
- dmn
- dmd
- mixture
- eutectic mixture
- dimethyl
- 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
- YGYNBBAUIYTWBF-UHFFFAOYSA-N 2,6-dimethylnaphthalene Chemical compound C1=C(C)C=CC2=CC(C)=CC=C21 YGYNBBAUIYTWBF-UHFFFAOYSA-N 0.000 abstract 16
- 239000000374 eutectic mixture Substances 0.000 abstract 7
- LRQYSMQNJLZKPS-UHFFFAOYSA-N 2,7-dimethylnaphthalene Chemical compound C1=CC(C)=CC2=CC(C)=CC=C21 LRQYSMQNJLZKPS-UHFFFAOYSA-N 0.000 abstract 6
- 239000000203 mixture Substances 0.000 abstract 4
- 239000012452 mother liquor Substances 0.000 abstract 3
- 238000002425 crystallisation Methods 0.000 abstract 2
- 230000008025 crystallization Effects 0.000 abstract 2
- 239000007788 liquid Substances 0.000 abstract 2
- 238000000034 method Methods 0.000 abstract 2
- QNLZIZAQLLYXTC-UHFFFAOYSA-N 1,2-dimethylnaphthalene Chemical class C1=CC=CC2=C(C)C(C)=CC=C21 QNLZIZAQLLYXTC-UHFFFAOYSA-N 0.000 abstract 1
- FUUGBGSHEIEQMS-UHFFFAOYSA-N 4a,8a-dimethyl-1,2,3,4,5,6,7,8-octahydronaphthalene Chemical class C1CCCC2(C)CCCCC21C FUUGBGSHEIEQMS-UHFFFAOYSA-N 0.000 abstract 1
- 238000004064 recycling Methods 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C15/00—Cyclic hydrocarbons containing only six-membered aromatic rings as cyclic parts
- C07C15/20—Polycyclic condensed hydrocarbons
- C07C15/24—Polycyclic condensed hydrocarbons containing two rings
-
- 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
- B01D9/0004—Crystallisation cooling by heat exchange
- B01D9/0013—Crystallisation cooling by heat exchange by indirect heat exchange
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/0036—Crystallisation on to a bed of product crystals; Seeding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/004—Fractional crystallisation; Fractionating or rectifying columns
-
- 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
- C07C5/00—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms
- C07C5/02—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by hydrogenation
- C07C5/10—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by hydrogenation of aromatic six-membered rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C5/00—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms
- C07C5/32—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by dehydrogenation with formation of free hydrogen
- C07C5/367—Formation of an aromatic six-membered ring from an existing six-membered ring, e.g. dehydrogenation of ethylcyclohexane to ethylbenzene
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C7/00—Purification; Separation; Use of additives
- C07C7/005—Processes comprising at least two steps in series
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2521/00—Catalysts comprising the elements, oxides or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium or hafnium
- C07C2521/02—Boron or aluminium; Oxides or hydroxides thereof
- C07C2521/04—Alumina
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2523/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00
- C07C2523/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of noble metals
- C07C2523/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of noble metals of the platinum group metals
- C07C2523/42—Platinum
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2523/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00
- C07C2523/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of noble metals
- C07C2523/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of noble metals of the platinum group metals
- C07C2523/44—Palladium
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2523/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00
- C07C2523/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of noble metals
- C07C2523/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of noble metals of the platinum group metals
- C07C2523/46—Ruthenium, rhodium, osmium or iridium
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2602/00—Systems containing two condensed rings
- C07C2602/02—Systems containing two condensed rings the rings having only two atoms in common
- C07C2602/14—All rings being cycloaliphatic
- C07C2602/26—All rings being cycloaliphatic the ring system containing ten carbon atoms
- C07C2602/28—Hydrogenated naphthalenes
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural 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)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US77982768A | 1968-11-29 | 1968-11-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1229099A true GB1229099A (cg-RX-API-DMAC10.html) | 1971-04-21 |
Family
ID=25117695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1229099D Expired GB1229099A (cg-RX-API-DMAC10.html) | 1968-11-29 | 1969-11-03 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3541175A (cg-RX-API-DMAC10.html) |
| JP (1) | JPS4945863B1 (cg-RX-API-DMAC10.html) |
| BE (1) | BE742260A (cg-RX-API-DMAC10.html) |
| DE (1) | DE1959882A1 (cg-RX-API-DMAC10.html) |
| FR (1) | FR2024537A1 (cg-RX-API-DMAC10.html) |
| GB (1) | GB1229099A (cg-RX-API-DMAC10.html) |
| NL (1) | NL6917339A (cg-RX-API-DMAC10.html) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5510563A (en) * | 1993-12-29 | 1996-04-23 | Amoco Corporation | Crystallizaiton of 2,6-dimethylnaphthalene |
| US5948949A (en) * | 1996-02-28 | 1999-09-07 | Mitsubishi Gas Chemical Company, Inc. | Process for producing 2,6-dimethylnaphthalene |
| US6057487A (en) * | 1997-12-30 | 2000-05-02 | Chevron Chemical Company | Method for producing 2,6-DMN from mixed dimethylnaphthalenes by crystallization, adsorption and isomerization |
| US5955641A (en) * | 1998-03-16 | 1999-09-21 | Chevron Chemical Company Llc | Method of making dimethylnaphthalenes |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3346656A (en) * | 1961-02-01 | 1967-10-10 | Sun Oil Co | Preparation of dimethyldecalins |
| US3219719A (en) * | 1962-08-07 | 1965-11-23 | Sun Oil Co | beta-methyl naphthalene purification and recovery |
-
1968
- 1968-11-29 US US779827A patent/US3541175A/en not_active Expired - Lifetime
-
1969
- 1969-11-03 GB GB1229099D patent/GB1229099A/en not_active Expired
- 1969-11-18 NL NL6917339A patent/NL6917339A/xx unknown
- 1969-11-20 JP JP44092557A patent/JPS4945863B1/ja active Pending
- 1969-11-26 BE BE742260D patent/BE742260A/xx unknown
- 1969-11-28 DE DE19691959882 patent/DE1959882A1/de active Pending
- 1969-11-28 FR FR6941081A patent/FR2024537A1/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| US3541175A (en) | 1970-11-17 |
| JPS4945863B1 (cg-RX-API-DMAC10.html) | 1974-12-06 |
| DE1959882A1 (de) | 1970-06-18 |
| FR2024537A1 (cg-RX-API-DMAC10.html) | 1970-08-28 |
| NL6917339A (cg-RX-API-DMAC10.html) | 1970-06-02 |
| BE742260A (cg-RX-API-DMAC10.html) | 1970-05-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |