FR2246309A1 - Reactivation of zeolites for paraffin sepn. - by treatment in presence of water and then heat treatment - Google Patents

Reactivation of zeolites for paraffin sepn. - by treatment in presence of water and then heat treatment

Info

Publication number
FR2246309A1
FR2246309A1 FR7433374A FR7433374A FR2246309A1 FR 2246309 A1 FR2246309 A1 FR 2246309A1 FR 7433374 A FR7433374 A FR 7433374A FR 7433374 A FR7433374 A FR 7433374A FR 2246309 A1 FR2246309 A1 FR 2246309A1
Authority
FR
France
Prior art keywords
zeolites
degrees
treatment
reactivation
sepn
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.)
Pending
Application number
FR7433374A
Other languages
French (fr)
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.)
Leuna Werke GmbH
Leuna Werke Walter Ulbright Germany VEB
Original Assignee
Leuna Werke GmbH
Leuna Werke Walter Ulbright Germany VEB
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 DD17384473A external-priority patent/DD115477A1/xx
Priority claimed from DD179392A external-priority patent/DD113204A1/xx
Priority claimed from DD17939374A external-priority patent/DD113205A1/xx
Application filed by Leuna Werke GmbH, Leuna Werke Walter Ulbright Germany VEB filed Critical Leuna Werke GmbH
Publication of FR2246309A1 publication Critical patent/FR2246309A1/en
Pending 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
    • B01J20/30—Processes for preparing, regenerating, or reactivating
    • B01J20/34—Regenerating or reactivating
    • B01J20/3408—Regenerating or reactivating of aluminosilicate molecular sieves
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G25/00—Refining of hydrocarbon oils in the absence of hydrogen, with solid sorbents
    • C10G25/12—Recovery of used adsorbent

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • General Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Separation Of Gases By Adsorption (AREA)

Abstract

Zeolites (esp. 5A zeolites) used to separate n-paraffins from hydrocarbon mixts. by alternate adsorption and desorption with H2O-contg. NH3 are reactivated by (a) treating with H2O, an aq. soln. or an H2O-contg. gas at 350 degrees C (pref. 20-250 degrees C), (b) heating at >350 degrees C (pref. 400-550 degrees C) pref. in a gas stream, and opt. (c) treating with O2 or an O2-contg. gas at 450-650 degrees C, stage (c) being effected before or after stage (b). The process makes practically complete reactivation possible in an economic manner.
FR7433374A 1973-10-03 1974-10-03 Reactivation of zeolites for paraffin sepn. - by treatment in presence of water and then heat treatment Pending FR2246309A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DD17384473A DD115477A1 (en) 1973-10-03 1973-10-03
DD179392A DD113204A1 (en) 1974-06-24 1974-06-24
DD17939374A DD113205A1 (en) 1974-06-24 1974-06-24

Publications (1)

Publication Number Publication Date
FR2246309A1 true FR2246309A1 (en) 1975-05-02

Family

ID=27179804

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7433374A Pending FR2246309A1 (en) 1973-10-03 1974-10-03 Reactivation of zeolites for paraffin sepn. - by treatment in presence of water and then heat treatment

Country Status (5)

Country Link
BG (1) BG47850A1 (en)
DE (1) DE2441872A1 (en)
FR (1) FR2246309A1 (en)
RO (1) RO69012A (en)
SU (1) SU965506A1 (en)

Also Published As

Publication number Publication date
SU965506A1 (en) 1982-10-15
BG47850A1 (en) 1990-10-15
DE2441872A1 (en) 1975-04-10
RO69012A (en) 1982-02-26

Similar Documents

Publication Publication Date Title
ES398297A1 (en) Process and apparatus for the adsorptive purification of gases
ZA717267B (en) Selective adsorption gas separation process
GB1014808A (en) Process for the treatment of liquids with ion exchangers
GB1419344A (en) Process of scrubbing acid components from gases
EP0004465A3 (en) Method of regenerating adsorbents
JPS5592122A (en) Method and apparatus for adsorption
FR2246309A1 (en) Reactivation of zeolites for paraffin sepn. - by treatment in presence of water and then heat treatment
GB1310173A (en) Catalyst regeneration method
JPS5296967A (en) Gas treatment apparatus
ES8107121A1 (en) Reactivation of chemical reconversion catalysts used in a cyclic production process of hydrogen peroxide, and use of an apparatus for putting it into practice.
GB1439614A (en) Selective removal of constituents from fluids
JPS51132179A (en) A closed exhaust gas treatment process
CA1008057A (en) Regeneration process for flue gas sorbent
FR2157057A5 (en) Gas purifier automatic regulation - by varying flow time before regeneration according to residual impurity
JPS5241191A (en) Apparatus for regeneration of used catalysts such as activated charcoa l
FR2224196A1 (en) Sulphur recovery from waste gases - by contacting with alumina-(silica) adsorbent, regenerating adsorbent with hot gas,
JPS5537475A (en) Regenerating method for waste activated carbon
JPS57132546A (en) Method for regeneration of active carbon
JPS5742335A (en) Regeneration of adsorbent
GB1396390A (en) Gas purification
FR2255956A1 (en) Regenerating catalyst particles, esp. in hydrocarbon conversions - arranged in thin layers, in a separate appts.
JPS5462994A (en) Production of oxygen-enriched air
SU464609A1 (en) The method of adsorption purification of petroleum products
JPS6470122A (en) Method for regenerating adsorbent
GB992871A (en) Adsorption process and regeneration process using a zeolite