FI123908B - Förfarande och arrangemang för oxidation av vitlut - Google Patents
Förfarande och arrangemang för oxidation av vitlut Download PDFInfo
- Publication number
- FI123908B FI123908B FI20125589A FI20125589A FI123908B FI 123908 B FI123908 B FI 123908B FI 20125589 A FI20125589 A FI 20125589A FI 20125589 A FI20125589 A FI 20125589A FI 123908 B FI123908 B FI 123908B
- Authority
- FI
- Finland
- Prior art keywords
- white liquor
- injection
- flow
- oxidizing
- flow tube
- Prior art date
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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Paper (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI20125589A FI123908B (sv) | 2012-05-31 | 2012-05-31 | Förfarande och arrangemang för oxidation av vitlut |
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 |
---|---|---|---|
FI20125589 | 2012-05-31 | ||
FI20125589A FI123908B (sv) | 2012-05-31 | 2012-05-31 | Förfarande och arrangemang för oxidation av vitlut |
Publications (2)
Publication Number | Publication Date |
---|---|
FI20125589A FI20125589A (sv) | 2013-12-01 |
FI123908B true FI123908B (sv) | 2013-12-13 |
Family
ID=48670602
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI20125589A FI123908B (sv) | 2012-05-31 | 2012-05-31 | Förfarande och arrangemang för oxidation av vitlut |
Country Status (2)
Country | Link |
---|---|
FI (1) | FI123908B (sv) |
WO (1) | WO2013178885A1 (sv) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI20175925A1 (sv) * | 2017-10-20 | 2019-04-21 | Valmet Technologies Oy | Förfarande och system för att avlägsna vätesulfidjoner (HS-) från lut i en cellulosafabriksprocess |
DE102020002446A1 (de) * | 2020-04-23 | 2021-10-28 | Messer Austria Gmbh | Verfahren und Vorrichtung zur Weißlaugenoxidation |
Family Cites Families (9)
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 |
-
2012
- 2012-05-31 FI FI20125589A patent/FI123908B/sv not_active IP Right Cessation
-
2013
- 2013-05-31 WO PCT/FI2013/050590 patent/WO2013178885A1/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
WO2013178885A1 (en) | 2013-12-05 |
FI20125589A (sv) | 2013-12-01 |
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