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GB1151385A - Separation of Hydrocarbon Wax from Mineral Oil using Dewaxing Aids - Google Patents

Separation of Hydrocarbon Wax from Mineral Oil using Dewaxing Aids

Info

Publication number
GB1151385A
GB1151385A GB368868A GB368868A GB1151385A GB 1151385 A GB1151385 A GB 1151385A GB 368868 A GB368868 A GB 368868A GB 368868 A GB368868 A GB 368868A GB 1151385 A GB1151385 A GB 1151385A
Authority
GB
United Kingdom
Prior art keywords
wax
oil
stage
mineral oil
polymethacrylate
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
GB368868A
Inventor
Richard Otto Henselman
Vincent Paul Catto
George Richard Williges
William Claude Hollyday
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.)
ExxonMobil Technology and Engineering Co
Original Assignee
Exxon Research and Engineering Co
Esso Research and Engineering 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 Exxon Research and Engineering Co, Esso Research and Engineering Co filed Critical Exxon Research and Engineering Co
Priority to GB368868A priority Critical patent/GB1151385A/en
Publication of GB1151385A publication Critical patent/GB1151385A/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
    • C10G73/00—Recovery or refining of mineral waxes, e.g. montan wax
    • C10G73/02—Recovery of petroleum waxes from hydrocarbon oils; Dewaxing of hydrocarbon oils
    • C10G73/06—Recovery of petroleum waxes from hydrocarbon oils; Dewaxing of hydrocarbon oils with the use of solvents
    • 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
    • C10G73/00—Recovery or refining of mineral waxes, e.g. montan wax
    • C10G73/02—Recovery of petroleum waxes from hydrocarbon oils; Dewaxing of hydrocarbon oils
    • C10G73/04—Recovery of petroleum waxes from hydrocarbon oils; Dewaxing of hydrocarbon oils with the use of filter aids
    • 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
    • C10G73/00—Recovery or refining of mineral waxes, e.g. montan wax
    • C10G73/02—Recovery of petroleum waxes from hydrocarbon oils; Dewaxing of hydrocarbon oils
    • C10G73/32—Methods of cooling during dewaxing

Landscapes

  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)

Abstract

1,151,385. Separating oil and wax. ESSO RESEARCH & ENG. CO. 24 Jan., 1968, No. 3688/68. Headings C5E and C5W. Mineral oil is separated from hydrocarbon wax in a process in which a solution of the oil and wax is chilled in several stages and the precipitated wax is filtered off, characterized in that a different dewaxing aid, to improve the filterability of the wax, is added before each precipitation. The mixture may be filtered after each stage or only after the final chilling. The dewaxing aid, used in an amount 0À1-1À0% by weight of the waxy oil feed, may be a condensation product of an aromatic hydrocarbon and a chlorinated paraffin wax, in the first stage of higher molecular weight than in the second stage, or it may first be (a) a C 18 , C 20 , C 22 , or C 24 polymethacrylate, (b) a C 18 , C 20 , C 22 or C 24 fumarate/ vinyl acetate copolymer, (c) a combination of C 18 , C 20 , C 22 or C 24 ester polymers or copolymers or (d) a polymer of esters of C 18 , C 20 , C 22 or C 24 alcohol mixtures, and then secondly (e) a C 4 - C 18 polymethacrylate, (f) an ethylene/vinyl acetate copolymer, (g) a naphthalene-chlorinated paraffin wax condensate, or (h) a polystyrene alkylated with n-C 16 olefins. Conventional oil-wax solvents are used, e.g. light paraffins, ketones, alcohols, chlorinated paraffins, and aromatics; hexane is exemplified.
GB368868A 1968-01-24 1968-01-24 Separation of Hydrocarbon Wax from Mineral Oil using Dewaxing Aids Expired GB1151385A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB368868A GB1151385A (en) 1968-01-24 1968-01-24 Separation of Hydrocarbon Wax from Mineral Oil using Dewaxing Aids

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB368868A GB1151385A (en) 1968-01-24 1968-01-24 Separation of Hydrocarbon Wax from Mineral Oil using Dewaxing Aids

Publications (1)

Publication Number Publication Date
GB1151385A true GB1151385A (en) 1969-05-07

Family

ID=9763073

Family Applications (1)

Application Number Title Priority Date Filing Date
GB368868A Expired GB1151385A (en) 1968-01-24 1968-01-24 Separation of Hydrocarbon Wax from Mineral Oil using Dewaxing Aids

Country Status (1)

Country Link
GB (1) GB1151385A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4406771A (en) 1982-09-29 1983-09-27 Exxon Research And Engineering Co. Solvent dewaxing waxy hydrocarbon oil distillates using a combination poly di-alkyl fumarate-vinyl acetate copolymer having pendent carbon side chain length of predominantly C22 and polyalkyl(meth-)acrylate polymer dewaxing aid
US4439308A (en) * 1982-09-29 1984-03-27 Exxon Research And Engineering Co. Solvent dewaxing waxy bright stock using a combination polydialkylfumarate-vinyl acetate copolymer and wax-naphthalene condensate dewaxing aid
US4451353A (en) * 1982-09-29 1984-05-29 Exxon Research And Engineering Co. Solvent dewaxing waxy hydrocarbon distillates using a combination poly acrylate polymer and polymethacrylate polymer dewaxing aid
US4460453A (en) * 1982-09-29 1984-07-17 Exxon Research And Engineering Co. Solvent dewaxing waxy bright stock using a combination polydialkyl fumarate-vinyl acetate copolymer and polyalkyl (meth-) acrylate polymer dewaxing aid
US4461698A (en) * 1982-09-29 1984-07-24 Exxon Research And Engineering Co. Solvent dewaxing waxy hydrocarbon distillate oils using a combination wax-naphthalene condensate and poly-dialkylfumarate/vinyl acetate copolymer dewaxing aid
US4594142A (en) * 1985-04-25 1986-06-10 Exxon Research And Engineering Co. Dewaxing waxy hydrocarbon oils using di-alkyl fumarate-vinyl laurate copolymer dewaxing aids
GB2197661A (en) * 1986-11-21 1988-05-25 Exxon Research Engineering Co Solvent dewaxing using combination poly (n-c24)alkylmethacrylate-poly (c8-c20)alkyl meth-acrylate dewaxing aid

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4406771A (en) 1982-09-29 1983-09-27 Exxon Research And Engineering Co. Solvent dewaxing waxy hydrocarbon oil distillates using a combination poly di-alkyl fumarate-vinyl acetate copolymer having pendent carbon side chain length of predominantly C22 and polyalkyl(meth-)acrylate polymer dewaxing aid
US4439308A (en) * 1982-09-29 1984-03-27 Exxon Research And Engineering Co. Solvent dewaxing waxy bright stock using a combination polydialkylfumarate-vinyl acetate copolymer and wax-naphthalene condensate dewaxing aid
US4451353A (en) * 1982-09-29 1984-05-29 Exxon Research And Engineering Co. Solvent dewaxing waxy hydrocarbon distillates using a combination poly acrylate polymer and polymethacrylate polymer dewaxing aid
US4460453A (en) * 1982-09-29 1984-07-17 Exxon Research And Engineering Co. Solvent dewaxing waxy bright stock using a combination polydialkyl fumarate-vinyl acetate copolymer and polyalkyl (meth-) acrylate polymer dewaxing aid
US4461698A (en) * 1982-09-29 1984-07-24 Exxon Research And Engineering Co. Solvent dewaxing waxy hydrocarbon distillate oils using a combination wax-naphthalene condensate and poly-dialkylfumarate/vinyl acetate copolymer dewaxing aid
US4594142A (en) * 1985-04-25 1986-06-10 Exxon Research And Engineering Co. Dewaxing waxy hydrocarbon oils using di-alkyl fumarate-vinyl laurate copolymer dewaxing aids
GB2197661A (en) * 1986-11-21 1988-05-25 Exxon Research Engineering Co Solvent dewaxing using combination poly (n-c24)alkylmethacrylate-poly (c8-c20)alkyl meth-acrylate dewaxing aid
GB2197661B (en) * 1986-11-21 1991-07-03 Exxon Research Engineering Co Solvent-dewaxing process using combination dewaxing aid of (c24) alkylmethacrylate polymer and poly (c8-20) alkyl(meth-)acrylate polymer.

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees