ES446113A1 - Aromatic hydrocarbon isomer separation process - Google Patents

Aromatic hydrocarbon isomer separation process

Info

Publication number
ES446113A1
ES446113A1 ES446113A ES446113A ES446113A1 ES 446113 A1 ES446113 A1 ES 446113A1 ES 446113 A ES446113 A ES 446113A ES 446113 A ES446113 A ES 446113A ES 446113 A1 ES446113 A1 ES 446113A1
Authority
ES
Spain
Prior art keywords
under
conditions
isomer
para
contacting
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
Application number
ES446113A
Other languages
Spanish (es)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Honeywell UOP LLC
Original Assignee
UOP LLC
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
Priority claimed from US05/562,604 external-priority patent/US3943184A/en
Application filed by UOP LLC filed Critical UOP LLC
Publication of ES446113A1 publication Critical patent/ES446113A1/en
Expired legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (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)
  • Silicates, Zeolites, And Molecular Sieves (AREA)

Abstract

A method of separating the para-isomer from a feed mixture comprising at least two alcohol-substituted monocyclic aromatic isomers, including the para- isomer, said isomers having 8 to 18 carbon atoms per molecule, a process comprising (i) contacting said mixture, under adsorption conditions, with an adsorbent prepared by means of the operations of: (a) contacting a base material comprising zeolite Y with an aqueous solution of sodium hydroxide, under initial conditions ion exchange, to effect the addition of sodium cations to said base material; (b) treating the base material exchanged with sodium, under second ion exchange conditions, to effect essentially complete exchange (as defined herein) of sodium cations with one or more cations selected from potassium, cesium and rubidium; and (o) drying the material under conditions such that the PPI (loss on ignition) at 900ºC is reduced to less than 10 weight percent; to thereby selectively adsorb said para- isomer, and (ii) contacting the adsorbent with a desorbent material, under desorption conditions, to effect desorption of said para- isomer of the adsorbent. (Machine-translation by Google Translate, not legally binding)
ES446113A 1975-03-27 1976-03-16 Aromatic hydrocarbon isomer separation process Expired ES446113A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/562,604 US3943184A (en) 1974-02-15 1975-03-27 Aromatic hydrocarbon isomer separation process

Publications (1)

Publication Number Publication Date
ES446113A1 true ES446113A1 (en) 1977-06-01

Family

ID=24246959

Family Applications (1)

Application Number Title Priority Date Filing Date
ES446113A Expired ES446113A1 (en) 1975-03-27 1976-03-16 Aromatic hydrocarbon isomer separation process

Country Status (7)

Country Link
CA (1) CA1047944A (en)
ES (1) ES446113A1 (en)
FR (1) FR2305414A1 (en)
GB (1) GB1535232A (en)
IT (1) IT1055910B (en)
SU (1) SU674666A3 (en)
ZA (1) ZA76937B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8704031B2 (en) * 2010-06-30 2014-04-22 Uop Llc Adsorptive process for separation of C8 aromatic hydrocarbons

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3878127A (en) * 1973-05-02 1975-04-15 Universal Oil Prod Co Method of manufacturing a zeolitic absorbent
US3943184A (en) * 1974-02-15 1976-03-09 Universal Oil Products Company Aromatic hydrocarbon isomer separation process

Also Published As

Publication number Publication date
SU674666A3 (en) 1979-07-15
IT1055910B (en) 1982-01-11
GB1535232A (en) 1978-12-13
CA1047944A (en) 1979-02-06
FR2305414B1 (en) 1979-10-05
ZA76937B (en) 1977-04-27
FR2305414A1 (en) 1976-10-22

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