NO792783L - Fremgangsmaate og apparatur for minskning av mengden av ineffektive kjemikalier i kokevaeske - Google Patents

Fremgangsmaate og apparatur for minskning av mengden av ineffektive kjemikalier i kokevaeske

Info

Publication number
NO792783L
NO792783L NO792783A NO792783A NO792783L NO 792783 L NO792783 L NO 792783L NO 792783 A NO792783 A NO 792783A NO 792783 A NO792783 A NO 792783A NO 792783 L NO792783 L NO 792783L
Authority
NO
Norway
Prior art keywords
liquor
causticization
plant
white liquor
evaporation
Prior art date
Application number
NO792783A
Other languages
English (en)
Norwegian (no)
Inventor
Rolf Ryham
Original Assignee
Rosenblads Patenter 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 Rosenblads Patenter Ab filed Critical Rosenblads Patenter Ab
Publication of NO792783L publication Critical patent/NO792783L/no

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
    • D21C11/0064—Aspects concerning the production and the treatment of green and white liquors, e.g. causticizing green liquor
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00—Technologies relating to the processing of minerals
    • Y02P40/40—Production or processing of lime, e.g. limestone regeneration of lime in pulp and sugar mills
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S423/00—Chemistry of inorganic compounds
    • Y10S423/03—Papermaking liquor

Landscapes

  • Paper (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
NO792783A 1978-08-30 1979-08-28 Fremgangsmaate og apparatur for minskning av mengden av ineffektive kjemikalier i kokevaeske NO792783L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7809167A SE7809167L (sv) 1978-08-30 1978-08-30 Barlastreduktion

Publications (1)

Publication Number Publication Date
NO792783L true NO792783L (no) 1980-03-03

Family

ID=20335695

Family Applications (1)

Application Number Title Priority Date Filing Date
NO792783A NO792783L (no) 1978-08-30 1979-08-28 Fremgangsmaate og apparatur for minskning av mengden av ineffektive kjemikalier i kokevaeske

Country Status (8)

Country Link
US (1) US4302281A (de)
JP (1) JPS5557093A (de)
AT (1) AT372424B (de)
CA (1) CA1120663A (de)
FI (1) FI75613C (de)
FR (1) FR2434894A1 (de)
NO (1) NO792783L (de)
SE (1) SE7809167L (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI71786C (fi) * 1983-02-23 1987-02-09 Enso Gutzeit Oy Kausticeringsfoerfarande.
FI72155C (sv) * 1983-10-25 1987-04-13 Partek Ab Förfarande för kausticering av grönlut i en alkalisk massakokningsproc ess.
FI72156C (fi) * 1985-03-19 1987-04-13 Enso Gutzeit Oy Kausticeringsfoerfarande.
US4668342A (en) * 1985-12-03 1987-05-26 Canadian Patents And Development Ltd. Recausticizing kraft green liquor
SE449112B (sv) * 1986-02-11 1987-04-06 Svenska Traeforskningsinst Forfarande for reglering vid kalkbrenning, kalksleckning och kausticering genom anvendning av en av kalkens mekaniska egenskaper
SE456254B (sv) * 1987-02-12 1988-09-19 Korsnes Ab Sett att rena gronlut i sulfatmassafabrikers kemikalieatervinning
US4770742A (en) * 1987-08-07 1988-09-13 Domtar Inc. Method for increasing the efficiency of a causticizing process
JPH01221589A (ja) * 1988-02-25 1989-09-05 Kanzaki Paper Mfg Co Ltd 緑液の苛性化法
ES2104916T3 (es) * 1991-05-13 1997-10-16 H A Simons Ltd Preparacion de lejia blanca y procedimiento para pasta papelera.
US5237614A (en) * 1991-06-07 1993-08-17 Security Dynamics Technologies, Inc. Integrated network security system
US5145556A (en) * 1991-07-31 1992-09-08 International Paper Company Single-stage slaking and causticizing method
FI98225C (fi) * 1995-02-16 1997-05-12 Ahlstrom Machinery Oy Menetelmä haitallisten epäpuhtauksien poistamiseksi selluloosapitoisen materiaalin alkalisen delignifioinnin yhteydessä
CN1108412C (zh) * 1995-07-11 2003-05-14 安德里兹公司 从石灰和白泥中分离杂质的方法以及两步法苛化含有杂质如硅的绿液的方法
AU4809099A (en) * 1999-05-07 2000-11-21 Kvaerner Pulping Ab Feeding device and process and feeding system which utilise the feeding device
SE524247C2 (sv) * 2002-11-25 2004-07-13 Kvaerner Pulping Tech Metod vid produktion av grönlut
AT514010B1 (de) * 2013-02-26 2015-02-15 Mondi Ag Verfahren zur Kaustifizierung von Grünlauge
JP7800095B2 (ja) * 2021-12-10 2026-01-16 栗田工業株式会社 緑液処理方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1754208A (en) * 1926-10-20 1930-04-08 Bradley Mckeefe Corp Production of cooking liquor which contains sodium hydroxide
US1756432A (en) * 1927-03-01 1930-04-29 William D Mount Continuous sulphate process
US2211908A (en) * 1937-11-18 1940-08-20 Mead Corp Manufacture of caustic soda and calcium carbonate
US2552183A (en) * 1945-04-07 1951-05-08 Dorr Co Two-stage causticizing
SU422690A1 (ru) * 1970-05-04 1974-04-05 Фонд Знс Способ получения каустической соды

Also Published As

Publication number Publication date
FI75613B (fi) 1988-03-31
SE7809167L (sv) 1980-03-01
FI75613C (fi) 1988-07-11
US4302281A (en) 1981-11-24
FI792651A7 (fi) 1980-03-01
AT372424B (de) 1983-10-10
ATA578779A (de) 1983-02-15
JPS5557093A (en) 1980-04-26
CA1120663A (en) 1982-03-30
FR2434894A1 (fr) 1980-03-28
FR2434894B1 (de) 1983-03-18

Similar Documents

Publication Publication Date Title
NO792783L (no) Fremgangsmaate og apparatur for minskning av mengden av ineffektive kjemikalier i kokevaeske
NO132361B (de)
NO131200B (de)
US6074521A (en) Method of separating impurities from lime and lime sludge
NO162733B (no) Fremgangsmaate for fremstilling av kokevaeske for kraftmassekoking samt kokevaeske for dette.
US3210235A (en) Pulping of cellulose materials in the presence of free sulfur in a kraft pulping system and cyclic liquor recovery therefor
US4504356A (en) Continuous process of removing silica from spent pulping liquors
US2238456A (en) Purification of magnesium base liquors
US3650888A (en) Pollution controlled polysulfide recovery process
NO150089B (no) Innretning til gjenvinning av natriumkjemikalier fra groennlut og roekgasser.
US3650889A (en) Pollution controlled polysulfide recovery process
US3216788A (en) Flash evaporation of pulp liquor to eliminate calcium salts
GB813072A (en) Sulphite pulping process
JPS6364559B2 (de)
NO312131B1 (no) Fremgangsmåte for å fjerne natriumsulfat fra en fosfatlösning
NO762084L (de)
EP1570125B1 (de) Verfahren zur herstellung einer grünlauge
US3844879A (en) System for removing sodium chloride contaminants from a magnesium base pulping process
NO144236B (no) Veske, saerlig skoleveske.
NO131088B (de)
US2730445A (en) Integrated lignocellulose digestion and recovery process
NO141318B (no) Fremgangsmaate for utnyttelse av aktivt alkali ved natriumbaserte cellulosefabrikker
NO117606B (de)
WO2025178544A1 (en) Sodium recovery process and purge purification
NO141808B (no) Fremgangsmaate til aa skille svovel i form av hydrogensulfid fra klaret groennlut fra avlutbrenning