FI80732C - Apparat foer minskning av ligning i vedmassa. - Google Patents

Apparat foer minskning av ligning i vedmassa. Download PDF

Info

Publication number
FI80732C
FI80732C FI843179A FI843179A FI80732C FI 80732 C FI80732 C FI 80732C FI 843179 A FI843179 A FI 843179A FI 843179 A FI843179 A FI 843179A FI 80732 C FI80732 C FI 80732C
Authority
FI
Finland
Prior art keywords
gas
container
pulp
retention
temperature
Prior art date
Application number
FI843179A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI843179A (fi
FI80732B (fi
FI843179A0 (fi
Inventor
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 FI843179A0 publication Critical patent/FI843179A0/fi
Publication of FI843179A publication Critical patent/FI843179A/fi
Publication of FI80732B publication Critical patent/FI80732B/fi
Application granted granted Critical
Publication of FI80732C publication Critical patent/FI80732C/fi

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
    • B01J19/0006—Controlling or regulating processes
    • B01J19/0013—Controlling the temperature of the process
    • 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
    • B01J15/00—Chemical processes in general for reacting gaseous media with non-particulate solids, e.g. sheet material; Apparatus specially adapted 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
    • 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
    • B01J2219/00051—Controlling the temperature
    • B01J2219/00074—Controlling the temperature by indirect heating or cooling employing heat exchange fluids
    • B01J2219/00105—Controlling the temperature by indirect heating or cooling employing heat exchange fluids part or all of the reactants being heated or cooled outside the reactor while recycling
    • B01J2219/00108—Controlling the temperature by indirect heating or cooling employing heat exchange fluids part or all of the reactants being heated or cooled outside the reactor while recycling involving reactant vapours
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
FI843179A 1983-08-11 1984-08-10 Apparat foer minskning av ligning i vedmassa. FI80732C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US52222283A 1983-08-11 1983-08-11
US52222283 1983-08-11

Publications (4)

Publication Number Publication Date
FI843179A0 FI843179A0 (fi) 1984-08-10
FI843179A FI843179A (fi) 1985-02-12
FI80732B FI80732B (fi) 1990-03-30
FI80732C true FI80732C (fi) 1990-07-10

Family

ID=24079989

Family Applications (1)

Application Number Title Priority Date Filing Date
FI843179A FI80732C (fi) 1983-08-11 1984-08-10 Apparat foer minskning av ligning i vedmassa.

Country Status (5)

Country Link
JP (1) JPS6052694A (de)
CA (1) CA1219733A (de)
DE (1) DE3429563A1 (de)
FI (1) FI80732C (de)
SE (1) SE463030B (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19821311C1 (de) * 1998-05-13 1999-10-07 Voith Sulzer Papiertech Patent Verfahren zur Bleiche von Papierfaserstoff

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3814664A (en) * 1972-09-11 1974-06-04 Improved Machinery Inc Gaseous reaction apparatus including a peripheral gas receiving chamber
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

Also Published As

Publication number Publication date
SE8404054L (sv) 1985-02-12
FI843179A (fi) 1985-02-12
DE3429563C2 (de) 1990-02-01
SE463030B (sv) 1990-10-01
FI80732B (fi) 1990-03-30
FI843179A0 (fi) 1984-08-10
JPS6052694A (ja) 1985-03-25
SE8404054D0 (sv) 1984-08-10
DE3429563A1 (de) 1985-02-28
CA1219733A (en) 1987-03-31
JPS6261715B2 (de) 1987-12-23

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Legal Events

Date Code Title Description
PC Transfer of assignment of patent

Owner name: BELOIT TECHNOLOGIES, INC.

MM Patent lapsed

Owner name: BELOIT TECHNOLOGIES, INC.