MA19615A1 - Procede de flottation par moussage a temperature ambiante pour la recuperation du bitume a partir d'un sable asphaltique - Google Patents

Procede de flottation par moussage a temperature ambiante pour la recuperation du bitume a partir d'un sable asphaltique

Info

Publication number
MA19615A1
MA19615A1 MA19825A MA19825A MA19615A1 MA 19615 A1 MA19615 A1 MA 19615A1 MA 19825 A MA19825 A MA 19825A MA 19825 A MA19825 A MA 19825A MA 19615 A1 MA19615 A1 MA 19615A1
Authority
MA
Morocco
Prior art keywords
room temperature
flotation process
foam flotation
temperature foam
recovering bitumen
Prior art date
Application number
MA19825A
Other languages
English (en)
Inventor
Lee Smith Scott
Original Assignee
Gnc Energy Corp
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 Gnc Energy Corp filed Critical Gnc Energy Corp
Publication of MA19615A1 publication Critical patent/MA19615A1/fr

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10C—WORKING-UP PITCH, ASPHALT, BITUMEN, TAR; PYROLIGNEOUS ACID
    • C10C3/00—Working-up pitch, asphalt, bitumen
    • C10C3/007—Working-up pitch, asphalt, bitumen winning and separation of asphalt from mixtures with aggregates, fillers and other products, e.g. winning from natural asphalt and regeneration of waste asphalt
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
    • B03B9/00—General arrangement of separating plant, e.g. flow sheets
    • B03B9/02—General arrangement of separating plant, e.g. flow sheets specially adapted for oil-sand, oil-chalk, oil-shales, ozokerite, bitumen, or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00—Flotation
    • B03D1/001—Flotation agents
    • B03D1/002—Inorganic compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00—Flotation
    • B03D1/001—Flotation agents
    • B03D1/004—Organic compounds
    • B03D1/006—Hydrocarbons
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00—Flotation
    • B03D1/001—Flotation agents
    • B03D1/004—Organic compounds
    • B03D1/016—Macromolecular compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00—Flotation
    • B03D1/02—Froth-flotation processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D3/00—Differential sedimentation
    • B03D3/06—Flocculation
    • 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
    • C10G1/00—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal
    • C10G1/04—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal by extraction
    • C10G1/047—Hot water or cold water extraction processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D2201/00—Specified effects produced by the flotation agents
    • B03D2201/002—Coagulants and Flocculants
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D2201/00—Specified effects produced by the flotation agents
    • B03D2201/005—Dispersants
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D2201/00—Specified effects produced by the flotation agents
    • B03D2201/02—Collectors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D2203/00—Specified materials treated by the flotation agents; Specified applications
    • B03D2203/006—Oil well fluids, oil sands, bitumen

Landscapes

  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geology (AREA)
  • Wood Science & Technology (AREA)
  • Inorganic Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Materials Engineering (AREA)
  • Manufacture And Refinement Of Metals (AREA)
MA19825A 1981-10-05 1982-10-05 Procede de flottation par moussage a temperature ambiante pour la recuperation du bitume a partir d'un sable asphaltique MA19615A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/308,491 US4425227A (en) 1981-10-05 1981-10-05 Ambient froth flotation process for the recovery of bitumen from tar sand

Publications (1)

Publication Number Publication Date
MA19615A1 true MA19615A1 (fr) 1983-07-01

Family

ID=23194187

Family Applications (1)

Application Number Title Priority Date Filing Date
MA19825A MA19615A1 (fr) 1981-10-05 1982-10-05 Procede de flottation par moussage a temperature ambiante pour la recuperation du bitume a partir d'un sable asphaltique

Country Status (3)

Country Link
US (1) US4425227A (fr)
BR (1) BR8205713A (fr)
MA (1) MA19615A1 (fr)

Families Citing this family (67)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4486294A (en) * 1980-10-06 1984-12-04 University Of Utah Process for separating high viscosity bitumen from tar sands
US4576708A (en) * 1984-08-06 1986-03-18 Cities Service Oil & Gas Corp. Beneficiation of shale kerogen and its conversion into shale oil
US4968413A (en) * 1985-08-22 1990-11-06 Chevron Research Company Process for beneficiating oil shale using froth flotation
US4648964A (en) * 1985-08-30 1987-03-10 Resource Technology Associates Separation of hydrocarbons from tar sands froth
CA1223373A (fr) * 1986-02-20 1987-06-23 Ion Adamache Recuperation de soufre elementaire a partir de produits renfermant du soufre elementaire contamine, grace a la flottation par moussage
CA1270220A (fr) * 1986-12-22 1990-06-12 Laurier L. Schramm Methode de controle de la teneur d'agent tensio-actif pour la regulation d'un procede de traitement a l'eau chaude des sables bitumineux
US4946597A (en) * 1989-03-24 1990-08-07 Esso Resources Canada Limited Low temperature bitumen recovery process
US5264118A (en) * 1989-11-24 1993-11-23 Alberta Energy Company, Ltd. Pipeline conditioning process for mined oil-sand
US5186820A (en) * 1991-12-04 1993-02-16 University Of Alabama Process for separating bitumen from tar sands
US5492628A (en) * 1993-06-11 1996-02-20 Alberta Energy Company, Ltd. Process for reducing sludge accumulation in the hot water extraction process for oil sands
CA2123076C (fr) * 1994-05-06 1998-11-17 William Lester Strand Procede d'extraction de sables petroliferes
US5723042A (en) * 1994-05-06 1998-03-03 Bitmin Resources Inc. Oil sand extraction process
AUPR437601A0 (en) * 2001-04-12 2001-05-17 Wmc Resources Limited Process for sulphide concentration
CA2751773C (fr) * 2004-01-08 2013-12-24 Fort Hills Energy L.P. Commande de la temperature de recyclage pour la recuperation de solvants de residus dans le traitement des mousses paraffiniques
US7416671B2 (en) * 2004-07-21 2008-08-26 Rj Oil Sands Inc. Separation and recovery of bitumen oil from tar sands
CA2614490C (fr) * 2005-07-13 2008-09-09 Bitmin Resources Inc. Appareil de traitement de sables bitumineux
CA2524110C (fr) * 2005-10-21 2009-04-14 William L. Strand Methode de recuperation du bitume present dans les sables bitumineux
US20070131590A1 (en) * 2005-12-12 2007-06-14 Rj Oil Sands Inc. Separation and recovery of bitumen oil from tar sands
US7404903B2 (en) * 2006-02-03 2008-07-29 Rj Oil Sands Inc. Drill cuttings treatment system
US7749379B2 (en) 2006-10-06 2010-07-06 Vary Petrochem, Llc Separating compositions and methods of use
US7758746B2 (en) * 2006-10-06 2010-07-20 Vary Petrochem, Llc Separating compositions and methods of use
US8062512B2 (en) 2006-10-06 2011-11-22 Vary Petrochem, Llc Processes for bitumen separation
WO2008144801A1 (fr) * 2007-05-29 2008-12-04 Xstrata Technology Pty Ltd Flottation de sables pétrolifères
US8494775B2 (en) * 2009-03-02 2013-07-23 Harris Corporation Reflectometry real time remote sensing for in situ hydrocarbon processing
US8887810B2 (en) * 2009-03-02 2014-11-18 Harris Corporation In situ loop antenna arrays for subsurface hydrocarbon heating
US8729440B2 (en) 2009-03-02 2014-05-20 Harris Corporation Applicator and method for RF heating of material
US8133384B2 (en) 2009-03-02 2012-03-13 Harris Corporation Carbon strand radio frequency heating susceptor
US8120369B2 (en) * 2009-03-02 2012-02-21 Harris Corporation Dielectric characterization of bituminous froth
US8101068B2 (en) * 2009-03-02 2012-01-24 Harris Corporation Constant specific gravity heat minimization
US9034176B2 (en) 2009-03-02 2015-05-19 Harris Corporation Radio frequency heating of petroleum ore by particle susceptors
US8128786B2 (en) * 2009-03-02 2012-03-06 Harris Corporation RF heating to reduce the use of supplemental water added in the recovery of unconventional oil
US8674274B2 (en) * 2009-03-02 2014-03-18 Harris Corporation Apparatus and method for heating material by adjustable mode RF heating antenna array
US8648760B2 (en) 2010-06-22 2014-02-11 Harris Corporation Continuous dipole antenna
US8695702B2 (en) 2010-06-22 2014-04-15 Harris Corporation Diaxial power transmission line for continuous dipole antenna
US9334175B2 (en) 2010-07-02 2016-05-10 1501367 Alberta Ltd. Method and apparatus for treatment of fluids
US8450664B2 (en) 2010-07-13 2013-05-28 Harris Corporation Radio frequency heating fork
US8763691B2 (en) 2010-07-20 2014-07-01 Harris Corporation Apparatus and method for heating of hydrocarbon deposits by axial RF coupler
US8772683B2 (en) 2010-09-09 2014-07-08 Harris Corporation Apparatus and method for heating of hydrocarbon deposits by RF driven coaxial sleeve
US8692170B2 (en) 2010-09-15 2014-04-08 Harris Corporation Litz heating antenna
US8646527B2 (en) 2010-09-20 2014-02-11 Harris Corporation Radio frequency enhanced steam assisted gravity drainage method for recovery of hydrocarbons
US8789599B2 (en) 2010-09-20 2014-07-29 Harris Corporation Radio frequency heat applicator for increased heavy oil recovery
US8511378B2 (en) 2010-09-29 2013-08-20 Harris Corporation Control system for extraction of hydrocarbons from underground deposits
US8373516B2 (en) 2010-10-13 2013-02-12 Harris Corporation Waveguide matching unit having gyrator
US8616273B2 (en) 2010-11-17 2013-12-31 Harris Corporation Effective solvent extraction system incorporating electromagnetic heating
US8763692B2 (en) 2010-11-19 2014-07-01 Harris Corporation Parallel fed well antenna array for increased heavy oil recovery
US8453739B2 (en) 2010-11-19 2013-06-04 Harris Corporation Triaxial linear induction antenna array for increased heavy oil recovery
US8443887B2 (en) 2010-11-19 2013-05-21 Harris Corporation Twinaxial linear induction antenna array for increased heavy oil recovery
WO2012088430A1 (fr) * 2010-12-22 2012-06-28 Kemira Oyj Procédé de récupération de bitume à partir d'un minerai de sables bitumineux par moussage et addition d'une poudre de ciment
CA2729457C (fr) 2011-01-27 2013-08-06 Fort Hills Energy L.P. Procede pour l'integration d'un centre de traitement de l'ecume paraffinique a une installation de forage et d'extraction de minerai bitumineux
CA2853070C (fr) 2011-02-25 2015-12-15 Fort Hills Energy L.P. Procede de traitement de bitume dilue a forte teneur en paraffine
CA2733342C (fr) 2011-03-01 2016-08-02 Fort Hills Energy L.P. Procede et unite pour la recuperation de solvant dans des residus dilues dans un solvant, provenant du traitement de la mousse de bitume
CA2806588C (fr) 2011-03-04 2014-12-23 Fort Hills Energy L.P. Procede pour l'ajout de solvant a la mousse de bitume avec melange en ligne et etapes de conditionnement
CA2735311C (fr) 2011-03-22 2013-09-24 Fort Hills Energy L.P. Procede pour un chauffage a injection de vapeur directe de la mousse de bitume des sables bitumineux
US8877041B2 (en) 2011-04-04 2014-11-04 Harris Corporation Hydrocarbon cracking antenna
CA2737410C (fr) 2011-04-15 2013-10-15 Fort Hills Energy L.P. Dispositif de recuperation de chaleur pour integration dans une usine de traitement de mousse de bitume avec circuit de refroidissement en boucle fermee
CA2805804C (fr) 2011-04-28 2014-07-08 Fort Hills Energy L.P. Procede et ursr avec configuration multi buse pour la distribution des residus dilues par solvant
CA2739667C (fr) 2011-05-04 2015-07-07 Fort Hills Energy L.P. Procede de regulation de debit pour les operations de traitement de la mousse de bitume
CA2832269C (fr) 2011-05-18 2017-10-17 Fort Hills Energy L.P. Regulation de temperature pour un procede de traitement de mousse de bitume avec chauffage de compensation de courants de solvant
US20140042060A1 (en) * 2012-08-09 2014-02-13 Gary L. Stevenson Hydrocarbon reclamation method and assembly
FR3004721B1 (fr) 2013-04-18 2016-03-04 Snf Sas Procede perfectionne de recuperation du bitume des sables bitumeux
US9447313B2 (en) 2013-06-06 2016-09-20 Baker Hughes Incorporated Hydration system for hydrating an additive and method
US9452394B2 (en) 2013-06-06 2016-09-27 Baker Hughes Incorporated Viscous fluid dilution system and method thereof
US9371491B2 (en) * 2014-09-25 2016-06-21 Syncrude Canada Ltd. Bitumen recovery from oil sands tailings
CN212687967U (zh) * 2017-07-31 2021-03-12 香港长龙集团有限公司 从天然沥青中提取沥青的系统
WO2019075115A1 (fr) * 2017-10-11 2019-04-18 Conocophillips Company Optimisation de système d'eau salée par dgmv
US11642754B2 (en) * 2018-08-30 2023-05-09 Taiwan Semiconductor Manufacturing Co., Ltd. Slurry recycling for chemical mechanical polishing system
CN109852412B (zh) * 2018-12-17 2021-02-09 北京三聚环保新材料股份有限公司 一种木焦油的脱渣方法

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA586229A (fr) 1959-11-03 Volker Theodor Extraction d'huile minerale de roc, sable et analogue renfermant de l'huile
US1425186A (en) 1918-04-15 1922-08-08 Ellis Ridsdale Separating process
US1615121A (en) 1920-03-03 1927-01-18 Fyleman Martin Ernest Process for separating mineral oils or the like from sand or rock
GB171918A (en) 1921-01-04 1921-12-01 Samuel Hood Dolbear Method of treating oil shales
US3399765A (en) 1964-04-06 1968-09-03 Nat Res Council Ottawa Oil phase separation
US3331765A (en) 1965-03-19 1967-07-18 Exxon Research Engineering Co Treatment of athabasca tar sands froth
US3422000A (en) 1965-11-18 1969-01-14 Exxon Research Engineering Co Phosphate additives in a tar sand water separation process
US3401110A (en) 1965-11-24 1968-09-10 Great Canadian Oil Sands Recovery of oil from bituminous sands
US3556982A (en) 1968-06-26 1971-01-19 Cities Service Athabasca Inc Combination additive for tar sand processing
US3573196A (en) 1968-08-28 1971-03-30 Cities Service Athabasca Inc Use of light hydrocarbons in tar sand processing
US3623971A (en) 1969-12-19 1971-11-30 Clement W Bowman USE OF CARBONATES AS pH CONTROLLER
US3891550A (en) 1971-11-01 1975-06-24 Frank Alexander Gray Process and apparatus for recovering bitumen from bituminous sands
US3816305A (en) 1971-12-23 1974-06-11 Gulf Oil Canada Ltd Clarification of tar sands middlings water
US3726786A (en) 1971-12-30 1973-04-10 Atlantic Richfield Co Process for integration of extraction processing streams
US3951778A (en) 1972-12-20 1976-04-20 Caw Industries, Inc. Method of separating bitumin from bituminous sands and preparing organic acids
US3935076A (en) 1973-05-29 1976-01-27 Canada-Cities Service, Ltd. Two stage separation system
US3808120A (en) 1973-07-09 1974-04-30 Atlantic Richfield Co Tar sands bitumen froth treatment
US4029568A (en) 1974-02-04 1977-06-14 Minerals Research Corporation Method of recovery of oil and bitumen from oil-sands and oil shale

Also Published As

Publication number Publication date
US4425227A (en) 1984-01-10
BR8205713A (pt) 1983-08-30

Similar Documents

Publication Publication Date Title
FR2338987A1 (fr) Procede de recuperation d'hydrocarbures a partir de charbon
FR2480901B1 (fr) Procede de garnissage interne d'une conduite
BE896822A (fr) Procede de production d'une endotoxine detoxifiee raffinee.
FR2596766B1 (fr) Procede de desasphaltage d'une huile d'hydrocarbures
FR2537179B1 (fr) Procede et installation pour recycler de l'asphalte de recuperation
FR2509321B1 (fr) Procede de recuperation d'huile usee
FR2544448B1 (fr) Procede de formation d'un raccordement hydraulique
FR2501068B1 (fr) Procede de recuperation, a l'aide d'une amine, du rhodium de residus de carbonylation
BE890253A (fr) Procede pour la recuperation des metaux a partir des boues
BE882090A (fr) Procede pour recuperer les metaux utiles a partir de catalyseurs
FR2518985B1 (fr) Procede de recuperation d'alumine
FR2542651B1 (fr) Procede de production de poussieres superfines d'un metal
BE894678A (fr) Procede de recuperation de metaux de valeur a partir de catalyseurs uses d'extraction du soufre du petrole brut
BE890254A (fr) Procede pour ameliorer la recuperation des metaux a partir des boues incinerees
FR2509201B1 (fr) Procede de production d'une ebauche de poutre pour une poutre universelle
FR2488599B1 (fr) Procede pour la production d'acetylene a partir de charbon
RO80122A (fr) Procede de recuperation d'un caralyseur a teneur de rhodium
BE853319A (fr) Procede pour eliminer les composes azotes d'eaux residuaires de la production d'acrylonitrile
FR2541704B1 (fr) Procede de realisation d'un sous-sol prefabrique
FR2527940B1 (fr) Procede d'obtention de granulats a partir de scorie d'acierie
RO73125A (fr) Procede pour la realisation d'un joint a rotule
FR2457273B1 (fr) Procede pour la recuperation d'acetone
FR2516925B1 (fr) Procede de recuperation d'un polymere
FR2600336B1 (fr) Amelioration de la filtrabilite du scleroglucane pour la recuperation d'huile a partir de gisements petroliferes
FR2498310B1 (fr) Appareil de recuperation de chaleur a partir de laitier fondu