CA990222A - Separation of 2,7-dimethylnaphthalene from 2,6-dimethylnaphthalene with molecular sieves - Google Patents
Separation of 2,7-dimethylnaphthalene from 2,6-dimethylnaphthalene with molecular sievesInfo
- Publication number
- CA990222A CA990222A CA103,672A CA103672A CA990222A CA 990222 A CA990222 A CA 990222A CA 103672 A CA103672 A CA 103672A CA 990222 A CA990222 A CA 990222A
- Authority
- CA
- Canada
- Prior art keywords
- dimethylnaphthalene
- separation
- molecular sieves
- sieves
- molecular
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C7/00—Purification; Separation; Use of additives
- C07C7/12—Purification; Separation; Use of additives by adsorption, i.e. purification or separation of hydrocarbons with the aid of solids, e.g. with ion-exchangers
- C07C7/13—Purification; Separation; Use of additives by adsorption, i.e. purification or separation of hydrocarbons with the aid of solids, e.g. with ion-exchangers by molecular-sieve technique
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)
- Treatment Of Liquids With Adsorbents In General (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US727370A | 1970-01-30 | 1970-01-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA990222A true CA990222A (en) | 1976-06-01 |
Family
ID=21725206
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA103,672A Expired CA990222A (en) | 1970-01-30 | 1971-01-26 | Separation of 2,7-dimethylnaphthalene from 2,6-dimethylnaphthalene with molecular sieves |
Country Status (5)
Country | Link |
---|---|
US (1) | US3668267A (ja) |
JP (1) | JPS52945B1 (ja) |
CA (1) | CA990222A (ja) |
DE (1) | DE2102636A1 (ja) |
GB (1) | GB1333264A (ja) |
Families Citing this family (40)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4014949A (en) * | 1962-06-06 | 1977-03-29 | Sun Ventures, Inc. | Separation of cyclic compounds with molecular sieve adsorbent |
US3895080A (en) * | 1972-06-06 | 1975-07-15 | Sun Research Development | Separation of cyclic compounds by adsorption on partially sorbed metallic zeolites |
US3855333A (en) * | 1973-03-19 | 1974-12-17 | Universal Oil Prod Co | Adsorptive separation of aromatic isomers with adsorbents containing an alcohol substrate |
US4326092A (en) * | 1980-07-17 | 1982-04-20 | Uop Inc. | Process for the separation of meta-xylene |
US4337156A (en) * | 1980-09-23 | 1982-06-29 | Uop Inc. | Adsorptive separation of contaminants from naphtha |
US4382001A (en) * | 1980-10-30 | 1983-05-03 | Uop Inc. | Use of activated carbon for separation of ethanol from water |
US4343623A (en) * | 1980-12-22 | 1982-08-10 | Uop Inc. | Use of esterified silica for separation of ethanol from water |
US4333740A (en) * | 1980-12-23 | 1982-06-08 | Uop Inc. | Process for the separation of water from ethanol |
US4408065A (en) * | 1981-03-23 | 1983-10-04 | Uop Inc. | Process for the separation of methylparaben from wintergreen oil |
US4404145A (en) * | 1981-04-10 | 1983-09-13 | Uop Inc. | Process for separating fatty acids from rosin acids |
US4524030A (en) * | 1981-04-10 | 1985-06-18 | Uop Inc. | Process for separating fatty acids |
US4329280A (en) * | 1981-04-10 | 1982-05-11 | Uop Inc. | Process for separating esters of fatty and rosin acids |
US4519952A (en) * | 1981-04-10 | 1985-05-28 | Uop Inc. | Process for separating fatty acids from unsaponifiables |
US4522761A (en) * | 1981-04-10 | 1985-06-11 | Uop Inc. | Process for separating fatty acids from rosin acids |
US4386225A (en) * | 1982-01-11 | 1983-05-31 | Uop Inc. | Process for the separation of cresol from xylenol |
US4495106A (en) * | 1982-08-13 | 1985-01-22 | Uop Inc. | Adsorbent and process for separating fatty acids from rosin acids |
US4521343A (en) * | 1983-02-04 | 1985-06-04 | Uop Inc. | Process for separating fatty acids from rosin acids with phosphorus modified alumina molecular sieve |
US4467126A (en) * | 1983-07-18 | 1984-08-21 | Uop Inc. | Process for the separation of di-substituted benzene |
US4524029A (en) * | 1983-09-22 | 1985-06-18 | Uop Inc. | Process for separating fatty acids |
US4480129A (en) * | 1983-09-29 | 1984-10-30 | Uop Inc. | Process for separating isomers of toluidine |
US4595668A (en) * | 1983-11-10 | 1986-06-17 | Exxon Research And Engineering Co. | Bound zeolite catalyst |
US4595670A (en) * | 1983-11-10 | 1986-06-17 | Exxon Research And Engineering Co. | Zeolite catalyst |
JPS60151998U (ja) * | 1984-03-21 | 1985-10-09 | タイガ−スポリマ−株式会社 | テ−ルシ−ル |
US4642397A (en) * | 1985-10-01 | 1987-02-10 | Uop Inc. | Process for separating isomers of dinitrotoluene |
DE3740313C2 (de) * | 1986-11-28 | 1996-02-15 | Mitsubishi Chem Corp | Verfahren zur Abtrennung von 2,6-Dimethylnaphthalin |
US5146040A (en) * | 1988-01-04 | 1992-09-08 | Exxon Chemical Patents Inc. | Process for separating dimethylnaphthalene isomers with zeolite L agglomerates |
US4827077A (en) * | 1988-02-22 | 1989-05-02 | Uop Inc. | Separation of indene from alkyl aromatics |
US4835334A (en) * | 1988-03-29 | 1989-05-30 | Uop | Two-stage adsorptive separation process for purifying 2,6 Dimethylnaphthalene |
US4962273A (en) * | 1988-10-31 | 1990-10-09 | Uop | Purification of alpha naphthol-containing feedstock by adsorption |
US4992622A (en) * | 1988-12-26 | 1991-02-12 | Chiyoda Corporation | Method of separating 2,6-diisopropylnaphthalene from a mixture containing diisopropylnaphthalene isomers |
US5012039A (en) * | 1989-03-10 | 1991-04-30 | Uop | Separation of 2,7 diisopropylnaphthalene from a feed mixture comprising various diisopropylnaphthalene isomers with a zeolite adsorbent |
US5017735A (en) * | 1989-07-24 | 1991-05-21 | Catalytica, Inc. | Selective sorption of 2,6-diisopropylnaphthalene |
US5300721A (en) * | 1990-08-27 | 1994-04-05 | Nippon Steel Chemical Co., Ltd. | Method for separating 2,6-diethylnaphthalene |
JP2766059B2 (ja) * | 1990-09-12 | 1998-06-18 | 財団法人石油産業活性化センター | 2,7―ジメチルナフタレンの分離方法 |
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 |
US5955641A (en) * | 1998-03-16 | 1999-09-21 | Chevron Chemical Company Llc | Method of making dimethylnaphthalenes |
JP2003026614A (ja) * | 2001-07-13 | 2003-01-29 | Kobe Steel Ltd | 2,6−ジメチルナフタレンの濃縮方法 |
US7867365B2 (en) * | 2003-03-28 | 2011-01-11 | Thermal Kinetics Systems, Llc | Ethanol distillation with distillers soluble solids recovery apparatus |
KR20080024109A (ko) * | 2005-04-06 | 2008-03-17 | 미츠비시 가스 가가쿠 가부시키가이샤 | 2,7-디메틸나프탈렌의 정제 방법 |
EP4292707A3 (en) * | 2015-12-24 | 2024-02-21 | California Institute Of Technology | Molecular sieves mediated unsaturated hydrocarbon separation and related compositions, materials, methods and systems |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2882244A (en) * | 1953-12-24 | 1959-04-14 | Union Carbide Corp | Molecular sieve adsorbents |
US3114782A (en) * | 1958-03-31 | 1963-12-17 | Union Oil Co | Separation of tri-alkyl substituted aromatic hydrocarbon isomers |
US2967896A (en) * | 1959-03-03 | 1961-01-10 | Union Oil Co | Resolution of anthracene oils using zeolitic molecular sieves |
US3133126A (en) * | 1960-09-12 | 1964-05-12 | Union Oil Co | Aromatic hydrocarbon separation |
US3130007A (en) * | 1961-05-12 | 1964-04-21 | Union Carbide Corp | Crystalline zeolite y |
NL238183A (ja) * | 1962-08-03 |
-
1970
- 1970-01-30 US US7273A patent/US3668267A/en not_active Expired - Lifetime
- 1970-12-14 JP JP45110608A patent/JPS52945B1/ja active Pending
- 1970-12-17 GB GB5995470A patent/GB1333264A/en not_active Expired
-
1971
- 1971-01-20 DE DE19712102636 patent/DE2102636A1/de active Pending
- 1971-01-26 CA CA103,672A patent/CA990222A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US3668267A (en) | 1972-06-06 |
GB1333264A (en) | 1973-10-10 |
JPS52945B1 (ja) | 1977-01-11 |
DE2102636A1 (ja) | 1971-08-05 |
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