FI20125589A - Menetelmä ja järjestely valkolipeän hapettamiseksi - Google Patents

Menetelmä ja järjestely valkolipeän hapettamiseksi

Info

Publication number
FI20125589A
FI20125589A FI20125589A FI20125589A FI20125589A FI 20125589 A FI20125589 A FI 20125589A FI 20125589 A FI20125589 A FI 20125589A FI 20125589 A FI20125589 A FI 20125589A FI 20125589 A FI20125589 A FI 20125589A
Authority
FI
Finland
Prior art keywords
white liquor
flow
oxidation
arrangement
velocity
Prior art date
Application number
FI20125589A
Other languages
English (en)
Swedish (sv)
Other versions
FI123908B (fi
Inventor
Jouni Matula
Jussi Matula
Original Assignee
Wetend Technologies Oy
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 Wetend Technologies Oy filed Critical Wetend Technologies Oy
Priority to FI20125589A priority Critical patent/FI123908B/fi
Priority to PCT/FI2013/050590 priority patent/WO2013178885A1/en
Publication of FI20125589A publication Critical patent/FI20125589A/fi
Application granted granted Critical
Publication of FI123908B publication Critical patent/FI123908B/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
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D21C11/0057—Oxidation of liquors, e.g. in order to reduce the losses of sulfur compounds, followed by evaporation or combustion if the liquor in question is a black liquor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/30—Injector mixers
    • B01F25/32—Injector mixers wherein the additional components are added in a by-pass of the main flow
    • 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
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D21C11/0064—Aspects concerning the production and the treatment of green and white liquors, e.g. causticizing green liquor
    • D21C11/0071—Treatment of green or white liquors with gases, e.g. with carbon dioxide for carbonation; Expulsion of gaseous compounds, e.g. hydrogen sulfide, from these liquors by this treatment (stripping); Optional separation of solid compounds formed in the liquors by this treatment
    • 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
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D21C11/04—Regeneration of pulp liquors or effluent waste waters of alkali lye
FI20125589A 2012-05-31 2012-05-31 Menetelmä ja järjestely valkolipeän hapettamiseksi FI123908B (fi)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FI20125589A FI123908B (fi) 2012-05-31 2012-05-31 Menetelmä ja järjestely valkolipeän hapettamiseksi
PCT/FI2013/050590 WO2013178885A1 (en) 2012-05-31 2013-05-31 A method of and an arrangement for oxidizing white liquor

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20125589A FI123908B (fi) 2012-05-31 2012-05-31 Menetelmä ja järjestely valkolipeän hapettamiseksi
FI20125589 2012-05-31

Publications (2)

Publication Number Publication Date
FI20125589A true FI20125589A (fi) 2013-12-01
FI123908B FI123908B (fi) 2013-12-13

Family

ID=48670602

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20125589A FI123908B (fi) 2012-05-31 2012-05-31 Menetelmä ja järjestely valkolipeän hapettamiseksi

Country Status (2)

Country Link
FI (1) FI123908B (fi)
WO (1) WO2013178885A1 (fi)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI20175925A1 (fi) * 2017-10-20 2019-04-21 Valmet Technologies Oy Menetelmä ja järjestelmä vetysulfidi-ionien (HS-) poistamiseksi sellutehtaan prosessin lipeästä
DE102020002446A1 (de) * 2020-04-23 2021-10-28 Messer Austria Gmbh Verfahren und Vorrichtung zur Weißlaugenoxidation

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3655343A (en) * 1970-04-13 1972-04-11 Owens Illinois Inc Apparatus for oxidizing a spent pulping liquor
US3696929A (en) * 1970-11-27 1972-10-10 Chemical Construction Corp Apparatus for the oxidation of liquids
AU473185B2 (en) 1973-07-25 1976-06-17 Mooch Domsjo Aktiebolag A method for producing oxidized white liquor
JPS62247812A (ja) 1986-04-18 1987-10-28 Chiyoda Chem Eng & Constr Co Ltd 加圧式上向流深層濾過方法及びそれに用いる濾過器
US5082526A (en) 1989-01-23 1992-01-21 Pulp And Paper Research Institute Of Canada Process of producing kraft pulping liquor by the oxidation of white liquor in the presence of lime mud
US5143702A (en) * 1990-10-22 1992-09-01 A. H. Lundberg Associates, Inc. Two stage white liquor oxidation apparatus
WO1994001616A1 (en) 1992-07-09 1994-01-20 Kamyr, Inc. White liquor oxidation for bleach plant use
US5439556A (en) 1993-08-16 1995-08-08 The Boc Group, Inc. Oxidation of white liquor using a packing column
US6036355A (en) * 1997-07-14 2000-03-14 Quantum Technologies, Inc. Reactor mixing assembly

Also Published As

Publication number Publication date
WO2013178885A1 (en) 2013-12-05
FI123908B (fi) 2013-12-13

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