GB965008A - Improvements relating to separation processes - Google Patents

Improvements relating to separation processes

Info

Publication number
GB965008A
GB965008A GB46690/61A GB4669061A GB965008A GB 965008 A GB965008 A GB 965008A GB 46690/61 A GB46690/61 A GB 46690/61A GB 4669061 A GB4669061 A GB 4669061A GB 965008 A GB965008 A GB 965008A
Authority
GB
United Kingdom
Prior art keywords
desorption
stages
long
sieve
regeneration
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
GB46690/61A
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.)
BP PLC
Original Assignee
BP PLC
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 to NL286285D priority Critical patent/NL286285A/xx
Priority to BE624933D priority patent/BE624933A/xx
Application filed by BP PLC filed Critical BP PLC
Priority to GB46690/61A priority patent/GB965008A/en
Priority to FR916443A priority patent/FR1339419A/en
Priority to DE19621470489 priority patent/DE1470489A1/en
Publication of GB965008A publication Critical patent/GB965008A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C10G25/02—Refining of hydrocarbon oils in the absence of hydrogen, with solid sorbents with ion-exchange material
    • C10G25/03—Refining of hydrocarbon oils in the absence of hydrogen, with solid sorbents with ion-exchange material with crystalline alumino-silicates, e.g. molecular sieves

Landscapes

  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Separation Of Gases By Adsorption (AREA)
  • Silicates, Zeolites, And Molecular Sieves (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

In a hydrocarbon separation process employing a molecular sieve comprising alternate adsorption and desorption stages with periodic regeneration stages, the sieve is subjected, prior to each regeneration stage, to a long desorption period at least twice the length of the normal desorption period to remove at least a portion of the material which is not removed from the sieve during the normal desorption stages. For example, a petroleum fraction boiling in the range C4-400 DEG C. may be treated with a 5<\>rA molecular sieve for the separation of straight-chain hydrocarbons. The long desorption stage may be effected under substantially the same conditions as the normal desorption stages, and may be up to 20 times as long. The desorbing medium may comprise a hydrocarbon of similar configuration to but of lower molecular weight than the adsorbed hydrocarbons. Regeneration may be effected by burning off with an air-nitrogen mixture containing 1% oxygen at a temperature not exceeding 540 DEG C.ALSO:In a hydrocarbon separation process employing a molecular sieve comprising alternate adsorption and desorption stages with periodic regeneration stages, the sieve is subjected, prior to each regeneration stage, to a long desorption period at least twice the length of the normal desorption period to remove at least a portion of the material which is not removed from the sieve during the normal desorption stages. For example, a petroleum fraction boiling in the range C4-400 DEG C. may be treated with a 5 molecular sieve for the separation of straight-chain hydrocarbons. The long desorption stage may be effected under substantially the same conditions as the normal desorption stages, and may be up to 20 times as long. The desorbing medium may comprise a hydrocarbon of similar configuration to but of lower molecular weight than the adsorbed hydrocarbons. Regeneration may be effected by burning off with an air-nitrogen mixture containing 1% oxygen at a temperature not exceeding 540 DEG C.
GB46690/61A 1961-12-29 1961-12-29 Improvements relating to separation processes Expired GB965008A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
NL286285D NL286285A (en) 1961-12-29
BE624933D BE624933A (en) 1961-12-29
GB46690/61A GB965008A (en) 1961-12-29 1961-12-29 Improvements relating to separation processes
FR916443A FR1339419A (en) 1961-12-29 1962-11-23 Hydrocarbon separation process
DE19621470489 DE1470489A1 (en) 1961-12-29 1962-11-30 Process for the separation of hydrocarbons using molecular sieves

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB46690/61A GB965008A (en) 1961-12-29 1961-12-29 Improvements relating to separation processes

Publications (1)

Publication Number Publication Date
GB965008A true GB965008A (en) 1964-07-29

Family

ID=10442212

Family Applications (1)

Application Number Title Priority Date Filing Date
GB46690/61A Expired GB965008A (en) 1961-12-29 1961-12-29 Improvements relating to separation processes

Country Status (5)

Country Link
BE (1) BE624933A (en)
DE (1) DE1470489A1 (en)
FR (1) FR1339419A (en)
GB (1) GB965008A (en)
NL (1) NL286285A (en)

Also Published As

Publication number Publication date
BE624933A (en)
DE1470489A1 (en) 1968-12-19
NL286285A (en)
FR1339419A (en) 1963-10-04

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