ATE251099T1 - Verfahren zur gewinnung von 2,6- dimethylnaphthalen aus mischungen die es enthalten - Google Patents
Verfahren zur gewinnung von 2,6- dimethylnaphthalen aus mischungen die es enthaltenInfo
- Publication number
- ATE251099T1 ATE251099T1 AT01201678T AT01201678T ATE251099T1 AT E251099 T1 ATE251099 T1 AT E251099T1 AT 01201678 T AT01201678 T AT 01201678T AT 01201678 T AT01201678 T AT 01201678T AT E251099 T1 ATE251099 T1 AT E251099T1
- Authority
- AT
- Austria
- Prior art keywords
- mixtures containing
- dimethylnaphtalen
- obtaining
- crystallization
- cooling
- Prior art date
Links
- 239000000203 mixture Substances 0.000 title abstract 3
- 238000000034 method Methods 0.000 title abstract 2
- YGYNBBAUIYTWBF-UHFFFAOYSA-N 2,6-dimethylnaphthalene Chemical compound C1=C(C)C=CC2=CC(C)=CC=C21 YGYNBBAUIYTWBF-UHFFFAOYSA-N 0.000 abstract 2
- 238000001816 cooling Methods 0.000 abstract 2
- 238000002425 crystallisation Methods 0.000 abstract 2
- 230000008025 crystallization Effects 0.000 abstract 2
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 238000004090 dissolution Methods 0.000 abstract 1
- 230000005496 eutectics Effects 0.000 abstract 1
- 238000001914 filtration Methods 0.000 abstract 1
- 239000012452 mother liquor Substances 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
- 239000007787 solid Substances 0.000 abstract 1
- 239000002904 solvent Substances 0.000 abstract 1
- 238000005406 washing Methods 0.000 abstract 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)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT2000MI001025A IT1318508B1 (it) | 2000-05-10 | 2000-05-10 | Processo per la separazione di 2,6-dimetilnaftalene da miscele che locontengono. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE251099T1 true ATE251099T1 (de) | 2003-10-15 |
Family
ID=11445011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT01201678T ATE251099T1 (de) | 2000-05-10 | 2001-05-08 | Verfahren zur gewinnung von 2,6- dimethylnaphthalen aus mischungen die es enthalten |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US6737558B2 (de) |
| EP (1) | EP1153904B1 (de) |
| JP (1) | JP2001354599A (de) |
| AT (1) | ATE251099T1 (de) |
| DE (1) | DE60100870T2 (de) |
| ES (1) | ES2207593T3 (de) |
| IT (1) | IT1318508B1 (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITMI20011205A1 (it) * | 2001-06-07 | 2002-12-07 | Enichem Spa | Processo integrato di produzione di 2,6 dimetilfaftalene |
| KR100754744B1 (ko) * | 2006-05-01 | 2007-09-03 | 주식회사 효성 | 2,6-디메틸나프탈렌의 분리 및 정제방법 |
| CN114669077B (zh) * | 2022-04-15 | 2024-04-16 | 煤炭科学技术研究院有限公司 | 一种2-甲基萘的提纯系统及提纯方法 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5724331B2 (de) * | 1973-05-31 | 1982-05-24 | ||
| JPH041142A (ja) * | 1990-04-17 | 1992-01-06 | Teijin Ltd | ２，６―ジメチルナフタレンの製造方法 |
| JPH0413637A (ja) * | 1990-05-08 | 1992-01-17 | Teijin Ltd | ２，６―ジメチルナフタレンの製造方法 |
| JPH06135863A (ja) * | 1992-10-29 | 1994-05-17 | Sekiyu Sangyo Kasseika Center | ２，６−ジメチルナフタレンの再結晶方法 |
| JP4224647B2 (ja) * | 1996-04-12 | 2009-02-18 | 三菱瓦斯化学株式会社 | 高純度２，６−ジメチルナフタレンの製造法 |
| JPH09249586A (ja) * | 1996-03-15 | 1997-09-22 | Mitsubishi Gas Chem Co Inc | 高純度２，６−ジメチルナフタレンの製法 |
| US5948949A (en) * | 1996-02-28 | 1999-09-07 | Mitsubishi Gas Chemical Company, Inc. | Process for producing 2,6-dimethylnaphthalene |
| JPH09278682A (ja) * | 1996-04-12 | 1997-10-28 | Mitsubishi Gas Chem Co Inc | ２，６−ジメチルナフタレンの製造方法及び濾過装置の運転方法 |
| JP4526606B2 (ja) * | 1996-03-15 | 2010-08-18 | 三菱瓦斯化学株式会社 | 高純度２，６−ジメチルナフタレンの製造方法 |
| 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 |
-
2000
- 2000-05-10 IT IT2000MI001025A patent/IT1318508B1/it active
-
2001
- 2001-05-08 ES ES01201678T patent/ES2207593T3/es not_active Expired - Lifetime
- 2001-05-08 AT AT01201678T patent/ATE251099T1/de not_active IP Right Cessation
- 2001-05-08 EP EP01201678A patent/EP1153904B1/de not_active Expired - Lifetime
- 2001-05-08 DE DE60100870T patent/DE60100870T2/de not_active Expired - Lifetime
- 2001-05-09 US US09/851,131 patent/US6737558B2/en not_active Expired - Fee Related
- 2001-05-10 JP JP2001140172A patent/JP2001354599A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US20020023318A1 (en) | 2002-02-28 |
| DE60100870T2 (de) | 2004-09-09 |
| EP1153904A1 (de) | 2001-11-14 |
| DE60100870D1 (de) | 2003-11-06 |
| ES2207593T3 (es) | 2004-06-01 |
| US6737558B2 (en) | 2004-05-18 |
| EP1153904B1 (de) | 2003-10-01 |
| JP2001354599A (ja) | 2001-12-25 |
| ITMI20001025A0 (it) | 2000-05-10 |
| ITMI20001025A1 (it) | 2001-11-10 |
| IT1318508B1 (it) | 2003-08-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |