FI923585A0 - ANVAENDNING AV EN TVAETTPRESS I EN ALKALITILLSATSPROCESS FOER MASSA. - Google Patents

ANVAENDNING AV EN TVAETTPRESS I EN ALKALITILLSATSPROCESS FOER MASSA.

Info

Publication number
FI923585A0
FI923585A0 FI923585A FI923585A FI923585A0 FI 923585 A0 FI923585 A0 FI 923585A0 FI 923585 A FI923585 A FI 923585A FI 923585 A FI923585 A FI 923585A FI 923585 A0 FI923585 A0 FI 923585A0
Authority
FI
Finland
Prior art keywords
tvaettpress
alkalitillsatsprocess
anvaendning
massa
foer
Prior art date
Application number
FI923585A
Other languages
Finnish (fi)
Other versions
FI923585A (en
Inventor
James C Joseph
Christopher H Matthews
Stuart T Terrett
Spencer W Eachus
Bruce F Griggs
Original Assignee
Union Camp Patent Holding
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 Union Camp Patent Holding filed Critical Union Camp Patent Holding
Publication of FI923585A0 publication Critical patent/FI923585A0/en
Publication of FI923585A publication Critical patent/FI923585A/en

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
    • D21C9/1005—Pretreatment of the pulp, e.g. degassing the pulp
    • 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
    • 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
    • D21C9/02—Washing ; Displacing cooking or pulp-treating liquors contained in the pulp by fluids, e.g. wash water or other pulp-treating agents
    • 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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
FI923585A 1991-08-14 1992-08-11 ANVAENDNING AV EN TVAETTPRESS I EN ALKALITILLSATSPROCESS FOER MASS FI923585A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US74822291A 1991-08-14 1991-08-14

Publications (2)

Publication Number Publication Date
FI923585A0 true FI923585A0 (en) 1992-08-11
FI923585A FI923585A (en) 1993-02-15

Family

ID=25008524

Family Applications (1)

Application Number Title Priority Date Filing Date
FI923585A FI923585A (en) 1991-08-14 1992-08-11 ANVAENDNING AV EN TVAETTPRESS I EN ALKALITILLSATSPROCESS FOER MASS

Country Status (11)

Country Link
EP (1) EP0530881A1 (en)
JP (1) JPH0726350B2 (en)
KR (1) KR950013196B1 (en)
CN (1) CN1070969A (en)
AU (1) AU647950B2 (en)
BR (1) BR9203170A (en)
CA (1) CA2075875A1 (en)
FI (1) FI923585A (en)
NO (1) NO923163L (en)
SE (1) SE9202338L (en)
ZA (1) ZA926092B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR0002634A (en) * 1999-06-14 2001-01-02 Praxair Technology Inc Process to treat lignocellulosic spares
FI122241B (en) * 2007-06-15 2011-10-31 Andritz Oy Procedure in connection with pulp washing at a pulp mill
US9932709B2 (en) 2013-03-15 2018-04-03 Ecolab Usa Inc. Processes and compositions for brightness improvement in paper production
FI20115754A0 (en) * 2011-03-22 2011-07-15 Andritz Oy Process and arrangement for the treatment of chemical pulp
WO2014122533A2 (en) 2013-02-08 2014-08-14 Gp Cellulose Gmbh Softwood kraft fiber having an improved a-cellulose content and its use in the production of chemical cellulose products
US20180030651A1 (en) * 2016-07-27 2018-02-01 Ecolab USA, Inc. Method and compositions for oxygen delignification of chemical pulp

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0211945A4 (en) * 1985-02-14 1987-07-06 Edward Francis Elton Method and apparatus for alkaline delignification of lignocellulosic fibrous materials.
US5179021A (en) * 1989-02-10 1993-01-12 Gil Inc. (Now Ici Canada Inc.) Pulp bleaching process comprising oxygen delignification and xylanase enzyme treatment
US5173153A (en) * 1991-01-03 1992-12-22 Union Camp Patent Holding, Inc. Process for enhanced oxygen delignification using high consistency and a split alkali addition
US5085734A (en) * 1989-02-15 1992-02-04 Union Camp Patent Holding, Inc. Methods of high consistency oxygen delignification using a low consistency alkali pretreatment
JPH06501290A (en) * 1991-04-18 1994-02-10 ユニオン　キャンプ　パテント　ホウルディングス　インコーポレイテッド Pulp alkali addition method for high consistency oxygen delignification

Also Published As

Publication number Publication date
SE9202338D0 (en) 1992-08-12
NO923163D0 (en) 1992-08-13
AU2095492A (en) 1993-02-25
JPH05195461A (en) 1993-08-03
KR950013196B1 (en) 1995-10-25
JPH0726350B2 (en) 1995-03-22
EP0530881A1 (en) 1993-03-10
AU647950B2 (en) 1994-03-31
CA2075875A1 (en) 1993-02-15
KR930004578A (en) 1993-03-22
SE9202338L (en) 1993-02-15
BR9203170A (en) 1993-03-30
FI923585A (en) 1993-02-15
NO923163L (en) 1993-02-15
ZA926092B (en) 1993-03-02
CN1070969A (en) 1993-04-14

Similar Documents

Publication Publication Date Title
FI923611A0 (en) FOERFARANDE FOER REGLERING AV SYREHALT I KISELKRISTALLER.
FI912640A0 (en) PROGRAMMERING AV INSTALLATIONSDATA I EN MOBILTELEFON.
FI912527A0 (en) PROGRAMMERING AV FUNKTIONERNA I EN MOBILTELEFON.
FI921739A0 (en) FOERFARANDE FOER MAETNING AV DIMENSIONERNA AV FOEREMAOL I ROERELSE.
FI914510A0 (en) GENERERING AV SAENDNINGSSIGNALEN I EN MOBILTELEFON.
FI921268A0 (en) DETEKTERINGSSYSTEM FOER OEVER- FOERINGSFEL FOER ANVAENDNING I BEVAKNINGSSYSTEM FOER FOEREBYGGANDE AV DESTRUKTIONER.
FI921085A0 (en) ANORDNING FOER BEHANDLING AV MASSA.
FI923248A0 (en) UNDVIKNING AV VIRVELSTROEM I EN SUGVALS.
FI922709A0 (en) SPRIDARE FOER SAMMANHAOLLANDE AV BRAENSLESTAVAR I EN KAERNREAKTORS BRAENSLEPATRON.
FI911963A0 (en) FOERFARANDE FOER BLEKNING AV MASSA.
FI900544A0 (en) FOERFARANDE FOER TILLVERKNING AV MASSA.
FI923585A0 (en) ANVAENDNING AV EN TVAETTPRESS I EN ALKALITILLSATSPROCESS FOER MASSA.
FI922050A0 (en) FOERFARANDE FOER BILDNING AV ELEMENTFRIA MELLANRUM I DRAGKEDJA.
FI923798A0 (en) FOERFARANDE FOER BLEKNING AV MASSA.
FI922945A0 (en) FOERFARANDE FOER BLEKNING AV MASSA.
FI923563A0 (en) FOERFARANDE FOER BEHANDLING AV PRIMAERKYLMEDLET I EN TRYCKVATTENREAKTOR.
FI914128A0 (en) FOERFARANDE FOER REGLERING AV SKUM- NIVAON I FLOTATIONSMASKINER.
FI911173A (en) FOERFARANDE FOER BESTAEMNING AV FUNKTIONS- OCH AOTERVAENDNINGSPUNKTEN I EN GRAENSVAERDESANORDNING.
FI914357A0 (en) FOERFARANDE FOER FRAMSTAELLNING AV MASSA.
FI910436A (en) ANORDNING FOER BEHANDLING AV MASSA.
FI910872A0 (en) FOERFARANDE FOER FRAMSTAELLNING AV MEKANISK MASSA.
FI913965A0 (en) FOERFARANDE FOER TILLVERKNING AV MASSA.
FI923993A0 (en) FOERFARANDE FOER BEHANDLING AV EN LOESNING INNEHAOLLANDE AETTIKSSYRA I NAERVARO AV HALOGENER.
FI913363A0 (en) FOERFARANDE FOER MAETNING AV VAETSKE- OCH LUFTMAENGDEN I EN BLANDBAR MASS I EN BLANDORTRUMMA.
FI910945A (en) FOERFARANDE FOER FAESTANDE AV AVLOPPSROER I EN GJUTFORM.