IT1001436B - Procedimento di separazione in isomeri aromatici - Google Patents
Procedimento di separazione in isomeri aromaticiInfo
- Publication number
- IT1001436B IT1001436B IT521673A IT521673A IT1001436B IT 1001436 B IT1001436 B IT 1001436B IT 521673 A IT521673 A IT 521673A IT 521673 A IT521673 A IT 521673A IT 1001436 B IT1001436 B IT 1001436B
- Authority
- IT
- Italy
- Prior art keywords
- separation
- aromatic isomers
- isomers
- aromatic
- Prior art date
Links
- 238000000034 method Methods 0.000 title 1
- 238000000926 separation method Methods 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C7/00—Purification; Separation; Use of additives
- C07C7/005—Processes comprising at least two steps in series
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
- B01J20/16—Alumino-silicates
- B01J20/18—Synthetic zeolitic molecular sieves
- B01J20/186—Chemical treatments in view of modifying the properties of the sieve, e.g. increasing the stability or the activity, also decreasing the activity
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/20—Silicates
- C01B33/26—Aluminium-containing silicates, i.e. silico-aluminates
- C01B33/28—Base exchange silicates, e.g. zeolites
- C01B33/2807—Zeolitic silicoaluminates with a tridimensional crystalline structure possessing molecular sieve properties; Isomorphous compounds wherein a part of the aluminium ore of the silicon present may be replaced by other elements such as gallium, germanium, phosphorus; Preparation of zeolitic molecular sieves from molecular sieves of another type or from preformed reacting mixtures
- C01B33/2876—Zeolitic silicoaluminates with a tridimensional crystalline structure possessing molecular sieve properties; Isomorphous compounds wherein a part of the aluminium ore of the silicon present may be replaced by other elements such as gallium, germanium, phosphorus; Preparation of zeolitic molecular sieves from molecular sieves of another type or from preformed reacting mixtures from a reacting mixture containing an amine or an organic cation, e.g. a quaternary onium cation-ammonium, phosphonium, stibonium
-
- 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)
- Analytical Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Water Supply & Treatment (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Treatment Of Liquids With Adsorbents In General (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US31005472A | 1972-11-28 | 1972-11-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT1001436B true IT1001436B (it) | 1976-04-20 |
Family
ID=23200805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT521673A IT1001436B (it) | 1972-11-28 | 1973-11-27 | Procedimento di separazione in isomeri aromatici |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS5046631A (it) |
| AU (1) | AU6246673A (it) |
| BE (1) | BE807878A (it) |
| CA (1) | CA1059928A (it) |
| DE (1) | DE2359378A1 (it) |
| GB (1) | GB1420796A (it) |
| IT (1) | IT1001436B (it) |
| NL (1) | NL7316302A (it) |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL7801367A (nl) * | 1978-02-07 | 1979-08-09 | Shell Int Research | Werkwijze voor de bereiding en afscheiding van p-xyleen. |
| US4309281A (en) * | 1979-12-19 | 1982-01-05 | Mobil Oil Corporation | Selective sorption by zeolites |
| US4899017A (en) * | 1987-07-27 | 1990-02-06 | Mobil Oil Corporation | Process for the selective separation of para-xylene from C8 aromatic mixtures |
| TW200454B (it) * | 1991-09-05 | 1993-02-21 | Inst Of France Petroleum | |
| FR2693186B1 (fr) * | 1992-07-06 | 1994-09-30 | Inst Francais Du Petrole | Procédé de séparation du paraxylène dans des hydrocarbures aromatiques en C8 avec une adsorption à contre-courant simulé et une cristallisation. |
| FR2681066B1 (fr) * | 1991-09-05 | 1994-09-30 | Inst Francais Du Petrole | Procede et dispositif de separation des paraxylenes dans une charge d'hydrocarbures aromatiques en c8. |
| FR2693187B1 (fr) * | 1992-07-06 | 1994-09-30 | Inst Francais Du Petrole | Procédé de séparation du paraxylène dans des hydrocarbures aromatiques en C8 avec une adsorption à co-courant simulé et une cristallisation. |
| 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 |
| FR2739375B1 (fr) * | 1995-09-29 | 1997-12-05 | Inst Francais Du Petrole | Production de paraxylene a partir d'un effluent de dismutation paraselective du toluene par un procede de cristallisation associe a une adsorption en lit mobile simule |
| MXPA02008195A (es) * | 2000-02-22 | 2003-02-27 | Exxonmobil Chem Patents Inc | Proceso para producir para-xileno. |
| 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 |
| US6573418B2 (en) | 2000-07-10 | 2003-06-03 | Bp Corporation North America Inc. | Process for production of para-xylene incorporating pressure swing adsorption and simulated moving bed adsorption |
| US6627783B2 (en) | 2000-07-10 | 2003-09-30 | Bp Corporation North America Inc. | Pressure swing adsorption process for separating para-xylene and ethylbenzene from mixed C8 aromatics |
| US6565653B2 (en) | 2001-05-08 | 2003-05-20 | Bp Corporation North America Inc. | Energy efficient process for producing high purity paraxylene |
| BRPI0117105B1 (pt) | 2001-08-21 | 2016-06-28 | Standard Oil Co | acrilonitrila, metacrilonitrila ou ácido cianídrico e respectivos processos de recuperação |
| US20040010170A1 (en) * | 2002-01-09 | 2004-01-15 | Vickers George H. | Para-xylene and ethylbenzene separation from mixed C8 aromatics |
| US7122496B2 (en) | 2003-05-01 | 2006-10-17 | Bp Corporation North America Inc. | Para-xylene selective adsorbent compositions and methods |
| US7271305B2 (en) | 2003-05-01 | 2007-09-18 | Bp Corporation North America Inc. | Method of obtaining para-xylene |
| US8500887B2 (en) * | 2010-03-25 | 2013-08-06 | Exxonmobil Research And Engineering Company | Method of protecting a solid adsorbent and a protected solid adsorbent |
| JP7482497B2 (ja) * | 2019-11-11 | 2024-05-14 | 日本ゼトック株式会社 | セラミックス多孔質体及びその製造方法 |
| JP7713700B2 (ja) * | 2020-08-21 | 2025-07-28 | 日本ゼトック株式会社 | 選択的油分分離除去剤及びその製造方法、油分の選択的分離除去方法、並びにセラミックス多孔質体 |
-
1973
- 1973-11-06 CA CA185,091A patent/CA1059928A/en not_active Expired
- 1973-11-14 AU AU62466/73A patent/AU6246673A/en not_active Expired
- 1973-11-19 JP JP12930673A patent/JPS5046631A/ja active Pending
- 1973-11-19 GB GB5361273A patent/GB1420796A/en not_active Expired
- 1973-11-27 IT IT521673A patent/IT1001436B/it active
- 1973-11-27 BE BE138237A patent/BE807878A/xx unknown
- 1973-11-28 NL NL7316302A patent/NL7316302A/xx not_active Application Discontinuation
- 1973-11-28 DE DE19732359378 patent/DE2359378A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CA1059928A (en) | 1979-08-07 |
| GB1420796A (en) | 1976-01-14 |
| DE2359378A1 (de) | 1974-05-30 |
| NL7316302A (it) | 1974-05-30 |
| AU6246673A (en) | 1975-05-15 |
| JPS5046631A (it) | 1975-04-25 |
| BE807878A (fr) | 1974-05-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| IT1001436B (it) | Procedimento di separazione in isomeri aromatici | |
| IT996240B (it) | Miscugli di policarbonati | |
| IT980233B (it) | Procedimento di oligomerizzazione | |
| IT969787B (it) | Intelaiatura per riporre calzature | |
| AT343072B (de) | Aus mehreren elementen zusammengesetzter stander | |
| IL33847A0 (en) | Preparation of optical isomers of arylalkylacetic acids | |
| IT988615B (it) | Espositore di oggetti | |
| IT993560B (it) | Espositore per occhiali | |
| BR7207540D0 (pt) | Armacao para moveis | |
| IT1004379B (it) | Perfezionamento nei procedimenti per la separazione di isomeri aromatici | |
| IT998245B (it) | Proccesso per la preparazione di novolacche | |
| CH529094A (de) | Trennverfahren | |
| IT1001825B (it) | Procedimento di preparazione di composti aromatici | |
| IT998893B (it) | Processo di isomerizzazione di alchilbenzeni | |
| IT994078B (it) | Procedimento per produrre miscele di lattici termosensibilizzati | |
| AT323369B (de) | Verkaufsständer | |
| IT982050B (it) | Miscele di coloranti antrachi monici | |
| IT998244B (it) | Processo per la separazione di ciclopentadiene da miscele di idrocarburi | |
| IT988764B (it) | Procedimento per ottenere idros silammine aromatiche | |
| IT991540B (it) | Composizione di policarbonato modi ficata | |
| IT977015B (it) | Apparato di purificazione | |
| AT346995B (de) | Seifenriegel | |
| IT968608B (it) | Preparazione di isomeri di cimene mediante isopropilazione di toluene | |
| CA901590A (en) | Separation of pentachloroacetophenone isomers | |
| IT979079B (it) | Processo per l isomerizzazione di acidi cis esadienici isomeri |