FI952998A0 - Mixer and process for pulp and bleaching reagents - Google Patents

Mixer and process for pulp and bleaching reagents

Info

Publication number
FI952998A0
FI952998A0 FI952998A FI952998A FI952998A0 FI 952998 A0 FI952998 A0 FI 952998A0 FI 952998 A FI952998 A FI 952998A FI 952998 A FI952998 A FI 952998A FI 952998 A0 FI952998 A0 FI 952998A0
Authority
FI
Finland
Prior art keywords
pulp
mixer
bleaching reagents
bleaching
reagents
Prior art date
Application number
FI952998A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI952998A (en
Inventor
L Allan Carlsmith
Patrick D Murphy
Oscar Luthi
Original Assignee
Ingersoll Rand 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 Ingersoll Rand Co filed Critical Ingersoll Rand Co
Publication of FI952998A0 publication Critical patent/FI952998A0/en
Publication of FI952998A publication Critical patent/FI952998A/en

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
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/18—Stationary reactors having moving elements inside
    • 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
    • B01F27/60—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis
    • B01F27/70—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis with paddles, blades or arms
    • 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
    • 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
    • D21C9/147—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications
    • D21C9/153—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications with ozone
    • 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
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00164—Controlling or regulating processes controlling the flow
    • 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
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/18—Details relating to the spatial orientation of the reactor
    • B01J2219/182—Details relating to the spatial orientation of the reactor horizontal

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Paper (AREA)
FI952998A 1992-12-18 1995-06-16 Mixer and process for pulp and bleaching reagents FI952998A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US99298692A 1992-12-18 1992-12-18
PCT/US1993/012035 WO1994015017A1 (en) 1992-12-18 1993-12-09 Pulp and bleaching reagent mixer and method

Publications (2)

Publication Number Publication Date
FI952998A0 true FI952998A0 (en) 1995-06-16
FI952998A FI952998A (en) 1995-06-16

Family

ID=25538975

Family Applications (1)

Application Number Title Priority Date Filing Date
FI952998A FI952998A (en) 1992-12-18 1995-06-16 Mixer and process for pulp and bleaching reagents

Country Status (5)

Country Link
EP (1) EP0674730A4 (en)
CN (1) CN1092833A (en)
CA (1) CA2151814A1 (en)
FI (1) FI952998A (en)
WO (1) WO1994015017A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100396079B1 (en) * 1999-10-26 2003-08-27 주식회사 포스코 Device for protecting sediment of sludge in waste acid tank
CN101550661B (en) * 2009-05-06 2011-06-15 江苏华机环保设备有限公司 Impeller-type paper pulp sparger at bottom of upward flow bleaching tower
SE1851348A1 (en) * 2018-10-30 2020-04-14 Valmet Oy Mixer for mixing chemicals into pulp

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2460008A (en) * 1943-10-23 1949-01-25 Bamag Ltd Concurrent flow drier with rotor, stationary casing, and terminal separation means for drying materials and drying fluid
US2627668A (en) * 1949-05-17 1953-02-10 New Jersey Zinc Co Method of contacting solids and gases
SE389351B (en) * 1975-03-14 1976-11-01 Kamyr Ab METHOD AND DEVICE FOR DISTRIBUTION AND MIXTURE OF GAS AND / OR LIQUID IN MASS CONCENTRATIONS OF HIGH CONCENTRATION.
US5181989A (en) * 1990-10-26 1993-01-26 Union Camp Patent Holdings, Inc. Reactor for bleaching high consistency pulp with ozone
CA2046717A1 (en) * 1991-02-06 1992-08-07 Beloit Technologies, Inc. Method and apparatus for treating fibrous materials with a gaseous reagent

Also Published As

Publication number Publication date
CA2151814A1 (en) 1994-07-07
EP0674730A4 (en) 1996-04-10
EP0674730A1 (en) 1995-10-04
CN1092833A (en) 1994-09-28
FI952998A (en) 1995-06-16
WO1994015017A1 (en) 1994-07-07

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Legal Events

Date Code Title Description
GB Transfer or assigment of application

Owner name: BELOIT TECHNOLOGIES, INC.

FD Application lapsed