EP0926226A1 - Filtration von synthetischen Ölen mit einem Kalkkieselsäureprodukt - Google Patents

Filtration von synthetischen Ölen mit einem Kalkkieselsäureprodukt Download PDF

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Publication number
EP0926226A1
EP0926226A1 EP97870202A EP97870202A EP0926226A1 EP 0926226 A1 EP0926226 A1 EP 0926226A1 EP 97870202 A EP97870202 A EP 97870202A EP 97870202 A EP97870202 A EP 97870202A EP 0926226 A1 EP0926226 A1 EP 0926226A1
Authority
EP
European Patent Office
Prior art keywords
silico
product
calcareous
synthetic oil
oil filtration
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.)
Withdrawn
Application number
EP97870202A
Other languages
English (en)
French (fr)
Inventor
Armand Heyeres
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.)
Cs Filtration Sprl
Original Assignee
Cs Filtration Sprl
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 Cs Filtration Sprl filed Critical Cs Filtration Sprl
Priority to EP97870202A priority Critical patent/EP0926226A1/de
Publication of EP0926226A1 publication Critical patent/EP0926226A1/de
Withdrawn legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M175/00—Working-up used lubricants to recover useful products ; Cleaning
    • C10M175/0075—Working-up used lubricants to recover useful products ; Cleaning synthetic oil based

Definitions

  • the invention relates to synthetic oils, the filtering of which, thanks to the lime-silicate product described below, allows sanitation.
  • this problem is solved by means of a lime-silica filtering product composed of the formula of: 50% CaCO 3 , 35% SiO 2 , 12% Al 2 (Si 4 0 10 ) ( OH) 2 .nH 2 O and 3% MICA, poured into oil at a rate of 10 g / l.
  • the filtration according to the invention can be used for both cold and hot synthetic oils.
  • the dose of added lime-sand filter varies from 10 to 50 g / l.
  • the silico-limestone mineral product must be heat treated at a temperature of 220 ° C in order to remove pore water and pores from inside the product particles. As soon as the product found at around 20 ° C, it is ground to 50 ⁇ m (microns).
  • a quantity equivalent to 10 g is poured into the fatty oil: L of the lime-silica product, reduced to 50 ⁇ m, suspension and decantation. After 24 hours, the drawdown rate of extractable fats is around 95%.
  • a mixed water / oil phase is decanted naturally and the aqueous phase is drawn off using a large capacity syringe or under vacuum pump.
  • the quantity of synthetic oil and grease is determined by extraction of the aqueous effluent using hexane, followed by gravimetry. After treatment with an amount equivalent to 10g / L of a silica-limestone powder (50 ⁇ m) in suspension and decantation, the effluent is subjected to the same dosage. The difference in measurements thus obtained directly gives the residual quantity of fat contained in the discharge effluent.
  • a COD measurement accompanies the expression of the final result in order to judge the validity of the purification in the event of discharge of the treated effluent.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Water Treatment By Sorption (AREA)
EP97870202A 1997-12-22 1997-12-22 Filtration von synthetischen Ölen mit einem Kalkkieselsäureprodukt Withdrawn EP0926226A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP97870202A EP0926226A1 (de) 1997-12-22 1997-12-22 Filtration von synthetischen Ölen mit einem Kalkkieselsäureprodukt

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP97870202A EP0926226A1 (de) 1997-12-22 1997-12-22 Filtration von synthetischen Ölen mit einem Kalkkieselsäureprodukt

Publications (1)

Publication Number Publication Date
EP0926226A1 true EP0926226A1 (de) 1999-06-30

Family

ID=8231076

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97870202A Withdrawn EP0926226A1 (de) 1997-12-22 1997-12-22 Filtration von synthetischen Ölen mit einem Kalkkieselsäureprodukt

Country Status (1)

Country Link
EP (1) EP0926226A1 (de)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2157166A5 (en) * 1971-10-20 1973-06-01 Carbon Charbons Actifs Adsorbent/absorbent silica granules prodn - by heating agglomerated clay, and treating with acid
DE2856248A1 (de) * 1978-12-27 1980-07-17 Anlagen Und Filterbau Gmbh & C Verfahren zum trennen von gemischen, bestehend aus organischen stoffen, insbesondere kohlenwasserstoffen und wasser, dampf oder luft
FR2453211A1 (fr) * 1979-04-02 1980-10-31 Rhone Poulenc Ind Procede de regeneration d'huiles lubrifiantes
US4756825A (en) * 1985-12-06 1988-07-12 Leybold-Heraeus Gmbh Apparatus for purifying hydrogen-free fluorinated lubricants
EP0307716A1 (de) * 1987-09-17 1989-03-22 Takano Corporation Verfahren zum Entfernen von Wasser in Spurenmengen aus Transformatorenölen
DE4142829A1 (de) * 1991-12-23 1993-06-24 Rwe Entsorgung Ag Verfahren zur reinigung von gebrauchten schmieroelen

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2157166A5 (en) * 1971-10-20 1973-06-01 Carbon Charbons Actifs Adsorbent/absorbent silica granules prodn - by heating agglomerated clay, and treating with acid
DE2856248A1 (de) * 1978-12-27 1980-07-17 Anlagen Und Filterbau Gmbh & C Verfahren zum trennen von gemischen, bestehend aus organischen stoffen, insbesondere kohlenwasserstoffen und wasser, dampf oder luft
FR2453211A1 (fr) * 1979-04-02 1980-10-31 Rhone Poulenc Ind Procede de regeneration d'huiles lubrifiantes
US4756825A (en) * 1985-12-06 1988-07-12 Leybold-Heraeus Gmbh Apparatus for purifying hydrogen-free fluorinated lubricants
EP0307716A1 (de) * 1987-09-17 1989-03-22 Takano Corporation Verfahren zum Entfernen von Wasser in Spurenmengen aus Transformatorenölen
DE4142829A1 (de) * 1991-12-23 1993-06-24 Rwe Entsorgung Ag Verfahren zur reinigung von gebrauchten schmieroelen

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