FI61733C - Behandling med gas speciellt syrgas - Google Patents

Behandling med gas speciellt syrgas Download PDF

Info

Publication number
FI61733C
FI61733C FI2377/74A FI237774A FI61733C FI 61733 C FI61733 C FI 61733C FI 2377/74 A FI2377/74 A FI 2377/74A FI 237774 A FI237774 A FI 237774A FI 61733 C FI61733 C FI 61733C
Authority
FI
Finland
Prior art keywords
gas
pulp
reactor
mass
upstream
Prior art date
Application number
FI2377/74A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI237774A (de
FI61733B (fi
Inventor
Johan Christoffer Fred Richter
Original Assignee
Kamyr Ab
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 Kamyr Ab filed Critical Kamyr Ab
Publication of FI237774A publication Critical patent/FI237774A/fi
Application granted granted Critical
Publication of FI61733B publication Critical patent/FI61733B/fi
Publication of FI61733C publication Critical patent/FI61733C/fi

Links

Classifications

    • 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
    • B01F33/00—Other mixers; Mixing plants; Combinations of mixers
    • B01F33/40—Mixers using gas or liquid agitation, e.g. with air supply tubes
    • B01F33/402—Mixers using gas or liquid agitation, e.g. with air supply tubes comprising supplementary stirring elements
    • 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
    • D21C9/1026—Other features in bleaching processes
    • 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
    • D21C9/1068—Bleaching ; Apparatus therefor with O2

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Paper (AREA)
FI2377/74A 1973-08-27 1974-08-09 Behandling med gas speciellt syrgas FI61733C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE7311580A SE379069B (de) 1973-08-27 1973-08-27
SE7311580 1973-08-27

Publications (3)

Publication Number Publication Date
FI237774A FI237774A (de) 1975-02-28
FI61733B FI61733B (fi) 1982-05-31
FI61733C true FI61733C (fi) 1984-02-28

Family

ID=20318332

Family Applications (1)

Application Number Title Priority Date Filing Date
FI2377/74A FI61733C (fi) 1973-08-27 1974-08-09 Behandling med gas speciellt syrgas

Country Status (7)

Country Link
US (1) US3963561A (de)
JP (1) JPS5052302A (de)
BR (1) BR7407095D0 (de)
CA (1) CA1038108A (de)
FI (1) FI61733C (de)
FR (1) FR2242513B1 (de)
SE (1) SE379069B (de)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52121501A (en) * 1976-04-07 1977-10-13 Mitsubishi Heavy Ind Ltd Process and apparatus for removing badly smelling constituents from kraft digesting liquid
SE417114B (sv) * 1977-07-25 1981-02-23 Mo Och Domsjoe Ab Forfarande for forebyggande av inkrustbildning i cellulosafabriker
US4161421A (en) * 1977-09-13 1979-07-17 Kamyr, Inc. Method and apparatus for continuous oxygen bleaching of cellulosic pulp
US4128454A (en) * 1977-12-07 1978-12-05 Ingersoll-Rand Co. System and method for gas phase pulp bleaching
US4209359A (en) * 1978-10-23 1980-06-24 International Paper Company Process for removing residual oxygen from oxygen-bleached pulp
US4220498A (en) * 1978-12-14 1980-09-02 Kamyr, Inc. Oxygen reactor systems pulp reject treatment
US4259150A (en) * 1978-12-18 1981-03-31 Kamyr Inc. Plural stage mixing and thickening oxygen bleaching process
SE462919B (sv) * 1979-05-11 1990-09-17 Sunds Defibrator Ind Ab Saett att genomfoera alkaliextraktion av cellulosamassa i naervaro av syre
US4363697A (en) * 1979-12-03 1982-12-14 The Black Clawson Company Method for medium consistency oxygen delignification of pulp
JPS5940399U (ja) * 1982-09-08 1984-03-15 石川島播磨重工業株式会社 パルプ脱リグニン装置
US4581104A (en) * 1983-08-11 1986-04-08 Ingersoll-Rand Company Method of reducing the lignin in wood pulp with oxygen gas recirculation
US4684442A (en) * 1984-03-29 1987-08-04 Weyerhaeuser Company Oxygen reactor deaeration tank and system
AT380496B (de) * 1984-06-27 1986-05-26 Steyrermuehl Papier Verfahren und reaktor zur delignifizierung von zellstoff mit sauerstoff
WO1986005708A1 (en) * 1985-04-01 1986-10-09 Weyerhaeuser Company A deaeration tank and process for using the tank
US5300195A (en) * 1988-05-31 1994-04-05 Kamyr Ab Continuous vertical digester apparatus
AT395180B (de) * 1989-08-16 1992-10-12 Andritz Ag Maschf Verfahren zur zerkleinerung von materialien und anlage zu dessen durchfuehrung
SE469387B (sv) * 1992-05-11 1993-06-28 Kamyr Ab Saett vid blekning av massa utan anvaendning av klorkemikalier
SE500113C2 (sv) * 1992-07-09 1994-04-18 Kamyr Ab Sätt vid blekning av massa för omhändertagande av utlösta metaller
US5460696A (en) * 1993-08-12 1995-10-24 The Boc Group, Inc. Oxygen delignification method incorporating wood pulp mixing apparatus
ZA947310B (en) * 1993-09-22 1995-05-10 Ingersoll Rand Co Method of and apparatus for oxygen delignifiation of medium consistency pulp slurry
US5688368A (en) * 1993-12-10 1997-11-18 Beloit Technologies, Inc. Method for cooling and ozone bleaching wood pulp
US6210527B1 (en) 1994-03-14 2001-04-03 The Boc Group, Inc. Pulp bleaching method wherein an ozone bleaching waste stream is scrubbed to form an oxygen containing stream
ATE193912T1 (de) * 1995-12-07 2000-06-15 Beloit Technologies Inc Delignifizierung eines papierzellstoffs mittlerer konsistenz mittels sauerstoff
US6221207B1 (en) * 1996-03-26 2001-04-24 Valmet Fibertech Aktiebolag Oxygen delignification of pulp in two stages with low pressure steam heating between stages
US20020129911A1 (en) * 2000-10-16 2002-09-19 Marcoccia Bruno S. Process and configuration for providing external upflow/internal downflow in a continuous digester
CN106351048B (zh) * 2016-10-27 2018-01-19 中科双泰（北京）环保科技有限公司 一种秸秆纤维多功能一体机

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1529919A (en) * 1922-03-06 1925-03-17 Stebbins Engineering And Mfg C Pulp-bleaching method and apparatus
US1541371A (en) * 1925-03-09 1925-06-09 Stebbins Engineering & Mfg Co Method and apparatus for bleaching pulp
US1576018A (en) * 1925-07-28 1926-03-09 Robert B Wolf Controlling bleaching operations
US3703435A (en) * 1967-11-09 1972-11-21 Sunds Ab Method for finely disintegrating pulp,preferentially cellulose pulp,in connection with the bleaching thereof with gaseous bleaching agent
SE355614B (de) * 1970-05-13 1973-04-30 Mo Och Domsjoe Ab

Also Published As

Publication number Publication date
DE2437841A1 (de) 1975-03-13
SE379069B (de) 1975-09-22
FI237774A (de) 1975-02-28
BR7407095D0 (pt) 1975-06-24
FR2242513B1 (de) 1976-12-31
CA1038108A (en) 1978-09-12
SE7311580L (de) 1975-02-28
JPS5052302A (de) 1975-05-09
US3963561A (en) 1976-06-15
FR2242513A1 (de) 1975-03-28
DE2437841B2 (de) 1977-01-20
FI61733B (fi) 1982-05-31

Similar Documents

Publication Publication Date Title
FI61733C (fi) Behandling med gas speciellt syrgas
FI64821B (fi) Foerfarande och anordning foer behandling av material med gas
FI67413C (fi) Foerfarande foer behandling av finfoerdelad fiberhaltig eller cellulosahaltig massa samt anordning foer utfoerande av foerfarandet
US3660225A (en) Delignification and bleaching of cellulose pulp layers with oxygen gas
US3298899A (en) Method and arrangement for washing and cooling at the outlet end of a continuous cellulose digester
US3754417A (en) Oxygen bleaching
CS225102B2 (en) The treatment of liquids and the necessary equipment
EP0573892B1 (de) Reaktorsystem zur Behandlung von Zellstoff
JPH0390691A (ja) セルロースパルプの脱リグニン処理装置および方法
US7455749B2 (en) Gas phase continuous digester having an inverted top separator with liquor injection
US3475271A (en) Cellulose digester with washing apparatus
US3579421A (en) Continuous cellulose digester with two separate pulp outlets
US4093511A (en) Apparatus for oxygen bleaching of pulp including recirculation of exhaust gases
US2990710A (en) Pulp bleaching apparatus
FI76385C (fi) Anordning och foerfaringssaett foer uppslutkokning av cellulosahaltigt fibermaterial.
US2078810A (en) Apparatus for continuous treatment of wood pulp and the like with chemicals
US3298900A (en) Method and apparatus for the continuous bleaching of cellulosic pulp
US3169083A (en) Continuous conversion of starch
EP1592838B1 (de) Anordnung und verfahren zur zellstoffbehandlung sowie verfahren zur modernisierung eines zellstoffturms
JP4488788B2 (ja) 気相式と満液式の連続蒸解缶に用いるトップセパレーターおよび蒸解缶運転モードの転換方法
US20110005696A1 (en) Device and method for dilution of cellulose pulp
FI58796C (fi) Saett och anordning foer behandling av fibermaterial
US4213822A (en) Apparatus for displacement washing of fibrous material suspended in a liquid
WO2016087717A1 (en) Discharge of material from a batch digester
FI80732B (fi) Apparat foer minskning av ligning i vedmassa.