SE8404054L - GAS REACTION DEVICE AND PROCESS - Google Patents

GAS REACTION DEVICE AND PROCESS

Info

Publication number
SE8404054L
SE8404054L SE8404054A SE8404054A SE8404054L SE 8404054 L SE8404054 L SE 8404054L SE 8404054 A SE8404054 A SE 8404054A SE 8404054 A SE8404054 A SE 8404054A SE 8404054 L SE8404054 L SE 8404054L
Authority
SE
Sweden
Prior art keywords
gas
reactor
permeable material
reaction device
gas reaction
Prior art date
Application number
SE8404054A
Other languages
Unknown language ( )
Swedish (sv)
Other versions
SE463030B (en
SE8404054D0 (en
Inventor
O 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 SE8404054D0 publication Critical patent/SE8404054D0/en
Publication of SE8404054L publication Critical patent/SE8404054L/en
Publication of SE463030B publication Critical patent/SE463030B/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
    • B01J19/0006—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)

Abstract

GASEOUS REACTION APPARATUS AND PROCESS An exothermic reaction of a gas with a gas permeable material is performed in a retention vessel. Temperature control of the exothermic reaction is obtained by recirculating the gas from the top of the vessel downwardly through the gas permeable material and removing the downwardly flowing gas at a point above the bottom of the reactor and simultaneously recirculating gas which has been cooled into the bottom of the reactor, upwardly through the gas permeable material and removing the gas above the bottom of the reactor.
SE8404054A 1983-08-11 1984-08-10 APPARATUS AND PROCEDURES FOR GAS PHASE TREATMENT OF FIBER MATERIAL SE463030B (en)

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
SE8404054D0 SE8404054D0 (en) 1984-08-10
SE8404054L true SE8404054L (en) 1985-02-12
SE463030B SE463030B (en) 1990-10-01

Family

ID=24079989

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8404054A SE463030B (en) 1983-08-11 1984-08-10 APPARATUS AND PROCEDURES FOR GAS PHASE TREATMENT OF FIBER MATERIAL

Country Status (5)

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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19821311C1 (en) * 1998-05-13 1999-10-07 Voith Sulzer Papiertech Patent Paper fiber bleaching solution reactor column used to bleach paper fibers

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
FI843179A (en) 1985-02-12
JPS6052694A (en) 1985-03-25
FI843179A0 (en) 1984-08-10
DE3429563C2 (en) 1990-02-01
CA1219733A (en) 1987-03-31
SE463030B (en) 1990-10-01
SE8404054D0 (en) 1984-08-10
FI80732B (en) 1990-03-30
JPS6261715B2 (en) 1987-12-23
FI80732C (en) 1990-07-10
DE3429563A1 (en) 1985-02-28

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