GB797750A - Process for preparing white oil - Google Patents

Process for preparing white oil

Info

Publication number
GB797750A
GB797750A GB3667256A GB3667256A GB797750A GB 797750 A GB797750 A GB 797750A GB 3667256 A GB3667256 A GB 3667256A GB 3667256 A GB3667256 A GB 3667256A GB 797750 A GB797750 A GB 797750A
Authority
GB
United Kingdom
Prior art keywords
oil
treated
per cent
acid
stage
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
GB3667256A
Inventor
William Amos Wilson
Thomas O'farrell Wehrle
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 GB3667256A priority Critical patent/GB797750A/en
Publication of GB797750A publication Critical patent/GB797750A/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
    • C10G17/00—Refining of hydrocarbon oils in the absence of hydrogen, with acids, acid-forming compounds or acid-containing liquids, e.g. acid sludge
    • C10G17/02—Refining of hydrocarbon oils in the absence of hydrogen, with acids, acid-forming compounds or acid-containing liquids, e.g. acid sludge with acids or acid-containing liquids, e.g. acid sludge
    • C10G17/04—Liquid-liquid treatment forming two immiscible phases
    • C10G17/06—Liquid-liquid treatment forming two immiscible phases using acids derived from sulfur or acid sludge thereof

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)
  • Lubricants (AREA)

Abstract

White oil is prepared by first treating mineral oil to form, neutralize, and remove sulphonic acids, and then mixing the treated oil with a minor proportion of water and sulphur trioxide to form an acid containing 60-80 wt. per cent of free SO3. The oil may be treated in the first stage with oleum containing, for example, 20-30 per cent SO3, or with liquid or gaseous sulphur trioxide. The sulphonic acids may be separated from the oil by settling or centrifuging and the oil then neutralized with caustic soda or sodium carbonate and the soaps formed extracted with alcohol, e.g. isopropyl alcohol. In the final acid treatment the water and SO3 may be used in proportions which would form an acid present in a proportion of 8-15 per cent by weight. Both acid treatments may be carried out in more than one stage. The refined oil may finally be clay filtered. Petroleum distillates, e.g. lubricating oils boiling at 600-1000 DEG F., may be treated; these lubricating oils may be solvent extracted and clay treated.
GB3667256A 1956-11-30 1956-11-30 Process for preparing white oil Expired GB797750A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3667256A GB797750A (en) 1956-11-30 1956-11-30 Process for preparing white oil

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3667256A GB797750A (en) 1956-11-30 1956-11-30 Process for preparing white oil

Publications (1)

Publication Number Publication Date
GB797750A true GB797750A (en) 1958-07-09

Family

ID=10390240

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3667256A Expired GB797750A (en) 1956-11-30 1956-11-30 Process for preparing white oil

Country Status (1)

Country Link
GB (1) GB797750A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3150078A (en) * 1961-06-30 1964-09-22 Standard Oil Co White oil manufacture

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3150078A (en) * 1961-06-30 1964-09-22 Standard Oil Co White oil manufacture

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