IT7823901A0 - Processo per l'eliminazione meccanica di acqua da sospensioni elastomeriche. - Google Patents

Processo per l'eliminazione meccanica di acqua da sospensioni elastomeriche.

Info

Publication number
IT7823901A0
IT7823901A0 IT7823901A IT2390178A IT7823901A0 IT 7823901 A0 IT7823901 A0 IT 7823901A0 IT 7823901 A IT7823901 A IT 7823901A IT 2390178 A IT2390178 A IT 2390178A IT 7823901 A0 IT7823901 A0 IT 7823901A0
Authority
IT
Italy
Prior art keywords
water
mechanical elimination
elastomeric
suspensions
elastomeric suspensions
Prior art date
Application number
IT7823901A
Other languages
English (en)
Other versions
IT1094841B (it
Original Assignee
Du Pont
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 Du Pont filed Critical Du Pont
Publication of IT7823901A0 publication Critical patent/IT7823901A0/it
Application granted granted Critical
Publication of IT1094841B publication Critical patent/IT1094841B/it

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)
IT23901/78A 1977-05-27 1978-05-26 Processo per l'eliminazione meccanica di acqua da sospensioni elastomeriche IT1094841B (it)

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
IT7823901A0 true IT7823901A0 (it) 1978-05-26
IT1094841B IT1094841B (it) 1985-08-10

Family

ID=25180923

Family Applications (1)

Application Number Title Priority Date Filing Date
IT23901/78A IT1094841B (it) 1977-05-27 1978-05-26 Processo per l'eliminazione meccanica di acqua da sospensioni elastomeriche

Country Status (7)

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

Families Citing this family (17)

* 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 (it) * 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
DE202017005336U1 (de) * 2017-10-17 2019-01-21 Leybold Gmbh Schraubenrotor

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL258615A (it) * 1959-12-01 1900-01-01
DE1779922A1 (de) * 1961-02-17 1972-01-13 Internat Basic Economy Corp Vorrichtung zum Entfernen von Fluessigkeit aus Elastomeren
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

Also Published As

Publication number Publication date
US4132845A (en) 1979-01-02
CA1118368A (en) 1982-02-16
FR2392039B1 (it) 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
FR2392039A1 (fr) 1978-12-22
DE2822635C2 (it) 1988-10-06

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