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FI792651A - Foerfarande och arrangemang foer att minska maengden ineffektiva kemikaler i kokluten - Google Patents

Foerfarande och arrangemang foer att minska maengden ineffektiva kemikaler i kokluten

Info

Publication number
FI792651A
FI792651A FI792651A FI792651A FI792651A FI 792651 A FI792651 A FI 792651A FI 792651 A FI792651 A FI 792651A FI 792651 A FI792651 A FI 792651A FI 792651 A FI792651 A FI 792651A
Authority
FI
Finland
Prior art keywords
maengden
kokluten
kemikaler
ineffektiva
foerfarande och
Prior art date
Application number
FI792651A
Other languages
English (en)
Other versions
FI75613B (fi
FI75613C (fi
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 FI792651A publication Critical patent/FI792651A/fi
Publication of FI75613B publication Critical patent/FI75613B/fi
Application granted granted Critical
Publication of FI75613C publication Critical patent/FI75613C/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
    • D21C11/0064—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
FI792651A 1978-08-30 1979-08-24 Foerfarande och arrangemang foer att minska maengden ineffektiva kemikaler i kokluten. FI75613C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE7809167 1978-08-30
SE7809167A SE7809167L (sv) 1978-08-30 1978-08-30 Barlastreduktion

Publications (3)

Publication Number Publication Date
FI792651A true FI792651A (fi) 1980-03-01
FI75613B FI75613B (fi) 1988-03-31
FI75613C FI75613C (fi) 1988-07-11

Family

ID=20335695

Family Applications (1)

Application Number Title Priority Date Filing Date
FI792651A FI75613C (fi) 1978-08-30 1979-08-24 Foerfarande och arrangemang foer att minska maengden ineffektiva kemikaler i kokluten.

Country Status (8)

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

Families Citing this family (16)

* 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 (fi) * 1983-10-25 1987-04-13 Partek Ab Foerfarande foer kausticering av groenlut i en alkalisk massakokningsprocess.
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
CA2103066C (en) * 1991-05-13 2001-04-24 Patrik P. H. Lownertz White liquor preparation and pulping process
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
DE69940676D1 (de) * 1999-05-07 2009-05-14 Metso Fiber Karlstad Ab Verfahren und zuführvorrichtung
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

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
AT372424B (de) 1983-10-10
FI75613B (fi) 1988-03-31
FR2434894A1 (fr) 1980-03-28
FR2434894B1 (fi) 1983-03-18
SE7809167L (sv) 1980-03-01
JPS5557093A (en) 1980-04-26
CA1120663A (en) 1982-03-30
NO792783L (no) 1980-03-03
US4302281A (en) 1981-11-24
ATA578779A (de) 1983-02-15
FI75613C (fi) 1988-07-11

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Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: AHLSTROEM PAPPERSTEKNIK AB