FR2392039A1 - Procede de deshydratation mecanique des suspensions d'elastomeres - Google Patents

Procede de deshydratation mecanique des suspensions d'elastomeres

Info

Publication number
FR2392039A1
FR2392039A1 FR7815748A FR7815748A FR2392039A1 FR 2392039 A1 FR2392039 A1 FR 2392039A1 FR 7815748 A FR7815748 A FR 7815748A FR 7815748 A FR7815748 A FR 7815748A FR 2392039 A1 FR2392039 A1 FR 2392039A1
Authority
FR
France
Prior art keywords
water
polymer
dehydration process
mechanical dehydration
withdrawn
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.)
Granted
Application number
FR7815748A
Other languages
English (en)
French (fr)
Other versions
FR2392039B1 (Direct
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.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and 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 EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Publication of FR2392039A1 publication Critical patent/FR2392039A1/fr
Application granted granted Critical
Publication of FR2392039B1 publication Critical patent/FR2392039B1/fr
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F6/00—Post-polymerisation treatments
    • C08F6/24—Treatment of polymer suspensions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/009—Heating or cooling mechanisms specially adapted for settling tanks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/02—Settling tanks with single outlets for the separated liquid
    • B01D21/04—Settling tanks with single outlets for the separated liquid with moving scrapers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/24—Feed or discharge mechanisms for settling tanks
    • B01D21/2427—The feed or discharge opening located at a distant position from the side walls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/24—Feed or discharge mechanisms for settling tanks
    • B01D21/245—Discharge mechanisms for the sediments
    • B01D21/2461—Positive-displacement pumps; Screw feeders; Trough conveyors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/30—Control equipment
    • B01D21/34—Controlling the feed distribution; Controlling the liquid level ; Control of process parameters

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
FR7815748A 1977-05-27 1978-05-26 Procede de deshydratation mecanique des suspensions d'elastomeres Granted FR2392039A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/801,370 US4132845A (en) 1977-05-27 1977-05-27 Mechanical dewatering process for elastomer slurries

Publications (2)

Publication Number Publication Date
FR2392039A1 true FR2392039A1 (fr) 1978-12-22
FR2392039B1 FR2392039B1 (Direct) 1984-12-28

Family

ID=25180923

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7815748A Granted FR2392039A1 (fr) 1977-05-27 1978-05-26 Procede de deshydratation mecanique des suspensions d'elastomeres

Country Status (7)

Country Link
US (1) US4132845A (Direct)
JP (1) JPS6045641B2 (Direct)
CA (1) CA1118368A (Direct)
DE (1) DE2822635A1 (Direct)
FR (1) FR2392039A1 (Direct)
GB (2) GB1601055A (Direct)
IT (1) IT1094841B (Direct)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019076684A1 (de) * 2017-10-17 2019-04-25 Leybold Gmbh Schraubenrotor

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4408038A (en) * 1982-03-29 1983-10-04 E. I. Du Pont De Nemours & Co. In-line coagulation process for fluoroelastomer emulsions
US4954303A (en) * 1989-02-10 1990-09-04 The Dow Chemical Company Apparatus and process for devolatilization of high viscosity polymers
US4944657A (en) * 1989-03-01 1990-07-31 Mowli John C Two-stage pumping apparatus with low shear first stage
US4968236A (en) * 1989-07-06 1990-11-06 Ultra Span - A Division Of Alphair Ventilating Systems Inc. Auxiliary auger assembly for hollow core slab production
US5041249A (en) * 1989-12-26 1991-08-20 Exxon Chemical Patent Inc. Process for low-temperature elastomer finishing
DE4110943C1 (Direct) * 1991-04-05 1992-10-15 Adalbert Dr.-Ing. 4280 Borken De Nagy
US5267837A (en) * 1992-09-23 1993-12-07 Mowli John C Two-stage pumping apparatus with non-meshing first stage augers
US5628560A (en) * 1995-05-24 1997-05-13 American Maplan Corporation Double-screw extruder
US6239223B1 (en) 1997-09-05 2001-05-29 Chemfab Corporation Fluoropolymeric composition
JP4779280B2 (ja) * 1999-09-01 2011-09-28 ダイキン工業株式会社 含フッ素弾性状共重合体組成物の製造方法
US6720360B1 (en) * 2000-02-01 2004-04-13 3M Innovative Properties Company Ultra-clean fluoropolymers
US6593416B2 (en) 2000-02-01 2003-07-15 3M Innovative Properties Company Fluoropolymers
EP1889855B1 (en) * 2005-05-02 2010-04-14 Daikin Industries, Ltd. Method for producing fluorine-containing polymer
DE202010001758U1 (de) * 2010-02-02 2011-06-09 UTS Biogastechnik GmbH, 85399 Schneckenseparator
DE202010001759U1 (de) * 2010-02-02 2011-06-09 UTS Biogastechnik GmbH, 85399 Schneckenseparator
DE202010001765U1 (de) * 2010-02-02 2011-06-09 UTS Biogastechnik GmbH, 85399 Schneckenseparator

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3035306A (en) * 1959-12-01 1962-05-22 Welding Engineers Dewatering means for plastic materials
US3687288A (en) * 1970-09-03 1972-08-29 Marco Dev Co Inc Separator and method
FR2321456A1 (fr) * 1975-08-19 1977-03-18 Alsthom Cgee Procede pour le compactage et l'essorage des boues fluides chargees de matieres fibreuses

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1779922A1 (de) * 1961-02-17 1972-01-13 Internat Basic Economy Corp Vorrichtung zum Entfernen von Fluessigkeit aus Elastomeren

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3035306A (en) * 1959-12-01 1962-05-22 Welding Engineers Dewatering means for plastic materials
US3687288A (en) * 1970-09-03 1972-08-29 Marco Dev Co Inc Separator and method
FR2321456A1 (fr) * 1975-08-19 1977-03-18 Alsthom Cgee Procede pour le compactage et l'essorage des boues fluides chargees de matieres fibreuses

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019076684A1 (de) * 2017-10-17 2019-04-25 Leybold Gmbh Schraubenrotor

Also Published As

Publication number Publication date
IT7823901A0 (it) 1978-05-26
US4132845A (en) 1979-01-02
CA1118368A (en) 1982-02-16
FR2392039B1 (Direct) 1984-12-28
JPS53147787A (en) 1978-12-22
GB1601055A (en) 1981-10-21
JPS6045641B2 (ja) 1985-10-11
GB1601054A (en) 1981-10-21
DE2822635A1 (de) 1978-11-30
IT1094841B (it) 1985-08-10
DE2822635C2 (Direct) 1988-10-06

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Legal Events

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