IT1004379B - Perfezionamento nei procedimenti per la separazione di isomeri aromatici - Google Patents

Perfezionamento nei procedimenti per la separazione di isomeri aromatici

Info

Publication number
IT1004379B
IT1004379B IT49281/74A IT4928174A IT1004379B IT 1004379 B IT1004379 B IT 1004379B IT 49281/74 A IT49281/74 A IT 49281/74A IT 4928174 A IT4928174 A IT 4928174A IT 1004379 B IT1004379 B IT 1004379B
Authority
IT
Italy
Prior art keywords
procedures
separation
improvement
aromatic isomers
isomers
Prior art date
Application number
IT49281/74A
Other languages
English (en)
Original Assignee
Universal Oil Prod Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Universal Oil Prod Co filed Critical Universal Oil Prod Co
Application granted granted Critical
Publication of IT1004379B publication Critical patent/IT1004379B/it

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)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Treatment Of Liquids With Adsorbents In General (AREA)
IT49281/74A 1973-03-19 1974-03-15 Perfezionamento nei procedimenti per la separazione di isomeri aromatici IT1004379B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00342658A US3855333A (en) 1973-03-19 1973-03-19 Adsorptive separation of aromatic isomers with adsorbents containing an alcohol substrate

Publications (1)

Publication Number Publication Date
IT1004379B true IT1004379B (it) 1976-07-10

Family

ID=23342731

Family Applications (1)

Application Number Title Priority Date Filing Date
IT49281/74A IT1004379B (it) 1973-03-19 1974-03-15 Perfezionamento nei procedimenti per la separazione di isomeri aromatici

Country Status (11)

Country Link
US (1) US3855333A (it)
JP (1) JPS531255B2 (it)
AR (1) AR199722A1 (it)
BR (1) BR7402139D0 (it)
CA (1) CA1021271A (it)
DE (1) DE2412539A1 (it)
ES (1) ES424385A1 (it)
FR (1) FR2222338B1 (it)
GB (1) GB1454583A (it)
IT (1) IT1004379B (it)
SU (1) SU489303A3 (it)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2451218A1 (fr) * 1979-03-13 1980-10-10 Inst Francais Du Petrole Procede de production de silices impregnees et utilisation de ces silices pour l'analyse ou la purification de produits industriels
US4351981A (en) * 1980-05-23 1982-09-28 Texaco Inc. Separation of para-xylene
US4393266A (en) * 1980-05-23 1983-07-12 Texaco Inc. Separation of para-xylene
US4283587A (en) * 1980-06-16 1981-08-11 Uop Inc. Adsorptive separation of aromatic isomers
US4423279A (en) * 1982-02-25 1983-12-27 Uop Inc. Separation of bi-alkyl substituted monocyclic aromatic isomers with pyrolyzed adsorbent
IT1153508B (it) * 1982-05-04 1987-01-14 Sisas Spa Procedimento per la separazione delle miscele di idrocarburi aromatici nei singoli componenti
CA1215327A (en) * 1982-09-28 1986-12-16 Roger Hulme Process for separating ethylbenzene from feedstream containing metaxylene using a zeolite adsorbent
US4778946A (en) * 1982-09-28 1988-10-18 Exxon Research And Engineering Company Process for separating ethylbenzene from feedstream containing metaxylene using a zeolite adsorbent
GB8317209D0 (en) * 1983-06-24 1983-07-27 Exxon Research Engineering Co Separation of ethylbenzene from xylenes
US4751346A (en) * 1984-10-29 1988-06-14 Exxon Research & Engineering Co. Process for separating ethylbenzene from xylenes by selective adsorption on a gallium beta zeolite (ATD-35)
US4593149A (en) * 1984-10-29 1986-06-03 Exxon Research And Engineering Co. Process for separating ethylbenzene from xylenes by selective adsorption on a cesium substituted X zeolite
US4593150A (en) * 1984-11-23 1986-06-03 Exxon Research And Engineering Co. Process for enhancing the separation of paraxylene from a feedstream containing other xylenes and ethylbenzene using a zeolite adsorbent
US5744654A (en) * 1996-06-14 1998-04-28 Merichem Company Recovery of para-ethylphenol
US6462248B1 (en) * 1998-09-09 2002-10-08 Toray Industries, Inc. Method for producing aromatic compounds having alkyl group with at least three carbon atoms
US9302955B2 (en) 2013-09-27 2016-04-05 Uop Llc Systems and methods for separating xylene isomers using selective adsorption
US9950972B2 (en) 2013-09-27 2018-04-24 Uop Llc Apparatuses and methods for forming C8 aromatic streams with selected amounts of C9 aromatics
WO2016094243A1 (en) * 2014-12-12 2016-06-16 Uop Llc Processes for para-xylene adsorptive separation

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3626020A (en) * 1969-03-12 1971-12-07 Universal Oil Prod Co Separation of paraxylene from mixture of c aromatic utilizing crystalline aluminosilicate adsorbent
US3558732A (en) * 1969-05-12 1971-01-26 Universal Oil Prod Co Aromatic hydrocarbon separation by adsorption
US3668267A (en) * 1970-01-30 1972-06-06 Sun Oil Co Separation of 2,7-dimethylnaphthalene from 2,6-dimethylnaphthalene with molecular sieves
US3686343A (en) * 1970-10-01 1972-08-22 Exxon Research Engineering Co Paraxylene recovery with zeolite adsorbent

Also Published As

Publication number Publication date
FR2222338B1 (it) 1979-03-09
DE2412539A1 (de) 1974-10-03
CA1021271A (en) 1977-11-22
GB1454583A (en) 1976-11-03
ES424385A1 (es) 1976-06-01
US3855333A (en) 1974-12-17
AR199722A1 (es) 1974-09-23
FR2222338A1 (it) 1974-10-18
BR7402139D0 (pt) 1974-11-19
JPS531255B2 (it) 1978-01-17
SU489303A3 (ru) 1975-10-25
JPS5024226A (it) 1975-03-15

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