FR1498761A - Device for the bleaching of pulp of vegetable origin, by exclusively oxidizing action - Google Patents

Device for the bleaching of pulp of vegetable origin, by exclusively oxidizing action

Info

Publication number
FR1498761A
FR1498761A FR81483A FR81483A FR1498761A FR 1498761 A FR1498761 A FR 1498761A FR 81483 A FR81483 A FR 81483A FR 81483 A FR81483 A FR 81483A FR 1498761 A FR1498761 A FR 1498761A
Authority
FR
France
Prior art keywords
bleaching
pulp
exclusively
vegetable origin
oxidizing action
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.)
Expired
Application number
FR81483A
Other languages
French (fr)
Inventor
Franco Nardi
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.)
I C I AGRICOLA IND PER Soc
Original Assignee
I C I AGRICOLA IND PER Soc
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 I C I AGRICOLA IND PER Soc filed Critical I C I AGRICOLA IND PER Soc
Application granted granted Critical
Publication of FR1498761A publication Critical patent/FR1498761A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/27—Mixers with stator-rotor systems, e.g. with intermeshing teeth or cylinders or having orifices
    • B01F27/271—Mixers with stator-rotor systems, e.g. with intermeshing teeth or cylinders or having orifices with means for moving the materials to be mixed radially between the surfaces of the rotor and the stator
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10—Bleaching ; Apparatus therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/50—Mixing liquids with solids
    • B01F23/56—Mixing liquids with solids by introducing solids in liquids, e.g. dispersing or dissolving
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/60—Pump mixers, i.e. mixing within a pump
    • B01F25/64—Pump mixers, i.e. mixing within a pump of the centrifugal-pump type, i.e. turbo-mixers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F33/00—Other mixers; Mixing plants; Combinations of mixers
    • B01F33/80—Mixing plants; Combinations of mixers
    • B01F33/836—Mixing plants; Combinations of mixers combining mixing with other treatments
    • B01F33/8361—Mixing plants; Combinations of mixers combining mixing with other treatments with disintegrating
    • B01F33/83612—Mixing plants; Combinations of mixers combining mixing with other treatments with disintegrating by crushing or breaking
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/71—Feed mechanisms
    • B01F35/712—Feed mechanisms for feeding fluids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/71—Feed mechanisms
    • B01F35/717—Feed mechanisms characterised by the means for feeding the components to the mixer
    • B01F35/7175—Feed mechanisms characterised by the means for feeding the components to the mixer using propellers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/71—Feed mechanisms
    • B01F35/717—Feed mechanisms characterised by the means for feeding the components to the mixer
    • B01F35/71805—Feed mechanisms characterised by the means for feeding the components to the mixer using valves, gates, orifices or openings
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
    • D21D1/00—Methods of beating or refining; Beaters of the Hollander type
    • D21D1/20—Methods of refining
    • D21D1/32—Hammer mills
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F2025/91—Direction of flow or arrangement of feed and discharge openings
    • B01F2025/912—Radial flow
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
    • B01F2101/47—Mixing of ingredients for making paper pulp, e.g. wood fibres or wood pulp
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/27—Mixers with stator-rotor systems, e.g. with intermeshing teeth or cylinders or having orifices
    • B01F27/271—Mixers with stator-rotor systems, e.g. with intermeshing teeth or cylinders or having orifices with means for moving the materials to be mixed radially between the surfaces of the rotor and the stator
    • B01F27/2711—Mixers with stator-rotor systems, e.g. with intermeshing teeth or cylinders or having orifices with means for moving the materials to be mixed radially between the surfaces of the rotor and the stator provided with intermeshing elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/71—Feed mechanisms
    • B01F35/717—Feed mechanisms characterised by the means for feeding the components to the mixer
    • B01F35/7181—Feed mechanisms characterised by the means for feeding the components to the mixer using fans or turbines

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Dispersion Chemistry (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)
  • Paper (AREA)
FR81483A 1965-10-25 1966-10-25 Device for the bleaching of pulp of vegetable origin, by exclusively oxidizing action Expired FR1498761A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
IT2381565 1965-10-25
IT1048365 1965-10-25
IT1480365 1965-10-25

Publications (1)

Publication Number Publication Date
FR1498761A true FR1498761A (en) 1967-10-20

Family

ID=27272768

Family Applications (1)

Application Number Title Priority Date Filing Date
FR81483A Expired FR1498761A (en) 1965-10-25 1966-10-25 Device for the bleaching of pulp of vegetable origin, by exclusively oxidizing action

Country Status (6)

Country Link
US (1) US3503846A (en)
BE (1) BE681488A (en)
DE (1) DE1546283A1 (en)
FI (1) FI43528B (en)
FR (1) FR1498761A (en)
SE (1) SE318184B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0305707A2 (en) * 1987-09-02 1989-03-08 BABCOCK-BSH AKTIENGESELLSCHAFT vormals Büttner-Schilde-Haas AG Mixer for making mortar consisting of granular binding agents, in particular plaster

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2421144C3 (en) * 1973-05-07 1978-08-17 Escher Wyss Gmbh, 7980 Ravensburg Molding sand mixer
US3964962A (en) * 1974-02-25 1976-06-22 Ingersoll-Rand Company Gaseous reaction apparatus and processes including a peripheral gas receiving chamber and a gas recirculation conduit
US3917176A (en) * 1974-04-10 1975-11-04 Ingersoll Rand Co Disintegrating-and-blowing apparatus for material such as pulp
US4209359A (en) * 1978-10-23 1980-06-24 International Paper Company Process for removing residual oxygen from oxygen-bleached pulp
US4435085A (en) * 1982-08-06 1984-03-06 Ingersoll-Rand Company Mixer for use in pulp processes
FR2544756B1 (en) * 1983-04-22 1985-08-30 Lamort E & M IMPROVEMENTS ON DEFIBRATION TURBINES
EP0214982A1 (en) * 1984-05-15 1987-03-25 FLINCK, Karl-Evert Method of bleaching fibre pulp for the production of paper and p aperboard
AT388193B (en) * 1987-06-12 1989-05-10 Andritz Ag Maschf MIXER
AT395180B (en) * 1989-08-16 1992-10-12 Andritz Ag Maschf METHOD FOR CRUSHING MATERIALS AND SYSTEM FOR IMPLEMENTING IT
WO1992021437A1 (en) * 1991-05-28 1992-12-10 Abbott Laboratories Apparatus for blending a powder with a liquid
ATE296958T1 (en) * 2001-12-04 2005-06-15 Levitronix Llc DISPENSING DEVICE FOR A FLUID
SE524465E (en) * 2002-12-12 2007-09-04 Metso Paper Inc Apparatus for mixing a gaseous or liquid medium with a pulp suspension
SE524466E (en) * 2002-12-12 2007-09-04 Metso Paper Inc Apparatus for mixing a gaseous or liquid chemical medium with a pulp suspension
CN102256696B (en) * 2008-12-16 2016-06-08 Hrd有限公司 The high shear oxidation of wax
KR20150025684A (en) * 2013-08-30 2015-03-11 주식회사 엘지화학 Impeller mixer of electrode slurry
DE102015105247B4 (en) 2015-02-04 2018-02-01 Ika-Werke Gmbh & Co. Kg Mixing device with integrated feed pump
GB2536502A (en) * 2015-03-20 2016-09-21 Silverson Machines Ltd Apparatus and method for high-shear mixing
DE102016102728A1 (en) * 2015-08-13 2017-02-16 Netzsch-Feinmahltechnik Gmbh Apparatus and method for dispersing at least one substance in a fluid
EP4338826A1 (en) * 2022-09-15 2024-03-20 BAUER Spezialtiefbau GmbH Apparatus and method for mixing soft gel medium

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US635480A (en) * 1898-07-30 1899-10-24 Hermann Heinrich Grain-scourer.
US2859110A (en) * 1956-03-26 1958-11-04 Fibreboard Paper Products Corp Method and apparatus for treatment of waste paper stock
US3194540A (en) * 1961-07-28 1965-07-13 Liberty Nat Bank And Trust Com Homogenizing apparatus
US3284055A (en) * 1963-07-05 1966-11-08 Kamyr Ab Mixing apparatus, particularly for mixing of bleaching agents into cellulosic pulp
US3337191A (en) * 1964-02-17 1967-08-22 Kaiser Gypsum Company Inc Apparatus for mixing

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0305707A2 (en) * 1987-09-02 1989-03-08 BABCOCK-BSH AKTIENGESELLSCHAFT vormals Büttner-Schilde-Haas AG Mixer for making mortar consisting of granular binding agents, in particular plaster
EP0305707A3 (en) * 1987-09-02 1990-10-31 Babcock-Bsh Aktiengesellschaft Vormals Buttner-Schilde-Haas Ag Mixer for making mortar consisting of granular binding agents, in particular plaster

Also Published As

Publication number Publication date
BE681488A (en) 1966-10-31
SE318184B (en) 1969-12-01
DE1546283A1 (en) 1969-09-25
FI43528B (en) 1970-12-31
US3503846A (en) 1970-03-31

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