IT1059555B - Apparecchiatura per rimuovere sostanze volatili da granelli in genere - Google Patents

Apparecchiatura per rimuovere sostanze volatili da granelli in genere

Info

Publication number
IT1059555B
IT1059555B IT19013/76A IT1901376A IT1059555B IT 1059555 B IT1059555 B IT 1059555B IT 19013/76 A IT19013/76 A IT 19013/76A IT 1901376 A IT1901376 A IT 1901376A IT 1059555 B IT1059555 B IT 1059555B
Authority
IT
Italy
Prior art keywords
grains
general
volatile substances
remove volatile
remove
Prior art date
Application number
IT19013/76A
Other languages
English (en)
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
Application granted granted Critical
Publication of IT1059555B publication Critical patent/IT1059555B/it

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/08—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with moving particles
    • B01J8/12—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with moving particles moved by gravity in a downward flow
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/34—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping with one or more auxiliary substances
    • B01D3/38—Steam distillation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00—Making granules
    • B29B9/16—Auxiliary treatment of granules
    • 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
    • C08F6/001—Removal of residual monomers by physical means
    • C08F6/005—Removal of residual monomers by physical means from solid polymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00—Making granules
    • B29B9/16—Auxiliary treatment of granules
    • B29B2009/168—Removing undesirable residual components, e.g. solvents, unreacted monomers; Degassing

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Glanulating (AREA)
  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
IT19013/76A 1974-01-14 1976-01-02 Apparecchiatura per rimuovere sostanze volatili da granelli in genere IT1059555B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US433378A US3920624A (en) 1974-01-14 1974-01-14 Process for stripping residual solvent from polymer pellets and apparatus

Publications (1)

Publication Number Publication Date
IT1059555B true IT1059555B (it) 1982-06-21

Family

ID=23719948

Family Applications (2)

Application Number Title Priority Date Filing Date
IT19081/75A IT1033114B (it) 1974-01-14 1975-01-07 Procedimento per la distullazione in corrente di vapore del solvente residuale da un polimero in granelli
IT19013/76A IT1059555B (it) 1974-01-14 1976-01-02 Apparecchiatura per rimuovere sostanze volatili da granelli in genere

Family Applications Before (1)

Application Number Title Priority Date Filing Date
IT19081/75A IT1033114B (it) 1974-01-14 1975-01-07 Procedimento per la distullazione in corrente di vapore del solvente residuale da un polimero in granelli

Country Status (9)

Country Link
US (1) US3920624A (it)
JP (1) JPS54230B2 (it)
BE (1) BE824357A (it)
CA (1) CA1029549A (it)
DE (1) DE2501243C2 (it)
FR (1) FR2257323B1 (it)
GB (1) GB1480961A (it)
IT (2) IT1033114B (it)
NL (1) NL187050C (it)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1111183A (en) * 1977-12-01 1981-10-20 William R. King Drying polymer solutions
DE2814572A1 (de) * 1978-04-05 1979-10-18 Basf Ag Verfahren zum entfernen geruchsintensiver bestandteile aus feinteiligen olefinpolymerisaten
US4207292A (en) * 1978-08-24 1980-06-10 Foster Wheeler Energy Corporation System for reducing sulfur dioxide
US4276261A (en) * 1979-07-16 1981-06-30 The Goodyear Tire & Rubber Company Polymerization apparatus and process
US4269969A (en) * 1979-11-13 1981-05-26 Atlantic Richfield Company Polybutadienediol purification
CA1180865A (en) * 1981-03-31 1985-01-15 Antonios Nicholakopoulos Process for finishing resin using reduced energy input
JPS57168688U (it) * 1981-04-21 1982-10-23
JPS57183387U (it) * 1981-05-16 1982-11-20
JPS6318717Y2 (it) * 1981-06-19 1988-05-25
FR2520634B1 (fr) * 1982-02-02 1987-02-13 Inst Francais Du Petrole Procede et dispositif pour soutirer des particules solides et introduire une charge liquide a la partie inferieure d'une zone de contact
JPS6395115A (ja) * 1986-10-13 1988-04-26 Nittetsu Mining Co Ltd 生石灰粒子表面の炭酸化装置
DE4344593C1 (de) * 1993-12-24 1995-02-16 Somos Gmbh Vorrichtung zum Trocknen von Schüttgut
US5861474A (en) * 1996-07-23 1999-01-19 The Dow Chemical Company Polymer devolatilization
DE10054240A1 (de) * 2000-11-02 2002-05-08 Buehler Ag Schachtreaktor mit begastem Auslauf-Konus
WO2004039848A1 (en) * 2002-10-30 2004-05-13 Solvay Polyolefins Europe - Belgium (S.A.) Polymer treatment
GB0225273D0 (en) * 2002-10-30 2002-12-11 Solvay Polyolefins Europ Sa Polymer treatment
DE10335958A1 (de) * 2003-08-04 2005-02-24 Basf Ag Verfahren zur Herstellung wässriger Polymerisatdispersionen
RU2456300C2 (ru) * 2006-12-29 2012-07-20 Базелль Полиолефин Италия С.Р.Л. Способ окончательной обработки полиолефина
DE102007031653A1 (de) * 2007-07-06 2009-01-08 Bühler AG Vorrichtung und Verfahren zur gleichmässigen thermischen Behandlung eines Schüttgutes
JP5420864B2 (ja) * 2008-08-01 2014-02-19 住友化学株式会社 気相重合装置およびオレフィンの重合方法
US8470082B2 (en) * 2008-11-26 2013-06-25 Univation Technologies, Llc Systems using mass flow promoting insert with gas purging and methods thereof
CA2965767A1 (en) * 2014-10-27 2016-05-06 Tipa Corp. Ltd Biodegradable sheets
CN110072898B (zh) * 2016-12-23 2021-10-01 北欧化工股份公司 获得低挥发物塑性体的方法
USD882186S1 (en) * 2018-12-18 2020-04-21 Zaxe Technologies Inc. Automatic animal feeder
CN114100531B (zh) * 2020-08-26 2023-12-22 中国石油天然气股份有限公司 一种立式气相超稳反应器、系统以及制备气相超稳y分子筛的方法
CN114199049B (zh) * 2021-11-22 2023-06-27 浙江卫星能源有限公司 一种聚丙烯粉料的冷却方法及装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA836977A (en) * 1970-03-17 Du Pont Of Canada Limited Steam stripping of blenders
US2957861A (en) * 1960-10-25 Process and apparatus for the stripping
NL194240A (it) * 1954-04-05
US2918461A (en) * 1957-01-09 1959-12-22 Dow Chemical Co Purifying after-treatment for polymerized olefins prepared with catalytic metal compounds
US3122528A (en) * 1962-01-31 1964-02-25 Phillips Petroleum Co Recovery of volatile materials from flotable solids
NL137124C (it) * 1962-07-24
US3293227A (en) * 1963-01-07 1966-12-20 Monsanto Co Recovery of polymers from slurries
BE758416A (fr) * 1969-11-07 1971-04-16 Snam Progetti Procede pour eliminer les residus de catalyseur metallique des polyethylenes de densite elevee et appareil approprie a la realisation de ce procede
US3755285A (en) * 1971-10-01 1973-08-28 Standard Oil Co Mass transfer process

Also Published As

Publication number Publication date
CA1029549A (en) 1978-04-18
JPS50103477A (it) 1975-08-15
FR2257323A1 (it) 1975-08-08
JPS54230B2 (it) 1979-01-08
NL187050B (nl) 1990-12-17
DE2501243A1 (de) 1975-07-17
NL7500425A (nl) 1975-07-16
GB1480961A (en) 1977-07-27
NL187050C (nl) 1991-05-16
FR2257323B1 (it) 1982-12-03
BE824357A (fr) 1975-07-14
DE2501243C2 (de) 1982-11-11
US3920624A (en) 1975-11-18
IT1033114B (it) 1979-07-10

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19940129