FI95608B - Menetelmä keittolipeiden valmistamiseksi viherlipeää kiteyttämällä - Google Patents

Menetelmä keittolipeiden valmistamiseksi viherlipeää kiteyttämällä

Info

Publication number
FI95608B
FI95608B FI942902A FI942902A FI95608B FI 95608 B FI95608 B FI 95608B FI 942902 A FI942902 A FI 942902A FI 942902 A FI942902 A FI 942902A FI 95608 B FI95608 B FI 95608B
Authority
FI
Finland
Prior art keywords
liquor
crystallization
green
preparing coke
preparing
Prior art date
Application number
FI942902A
Other languages
English (en)
Swedish (sv)
Other versions
FI942902A0 (fi
Inventor
Juha Koskiniemi
Original Assignee
Ahlstroem 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 Ahlstroem Oy filed Critical Ahlstroem Oy
Priority to FI942902A priority Critical patent/FI95608B/fi
Publication of FI942902A0 publication Critical patent/FI942902A0/fi
Priority to EP95109226A priority patent/EP0687766A1/en
Priority to US08/490,734 priority patent/US5607549A/en
Priority to CA002152016A priority patent/CA2152016C/en
Application granted granted Critical
Publication of FI95608B publication Critical patent/FI95608B/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
    • D21C11/0078—Treatment of green or white liquors with other means or other compounds than gases, e.g. in order to separate solid compounds such as sodium chloride and carbonate from these liquors; Further treatment of these compounds
    • 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
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
FI942902A 1994-06-17 1994-06-17 Menetelmä keittolipeiden valmistamiseksi viherlipeää kiteyttämällä FI95608B (fi)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FI942902A FI95608B (fi) 1994-06-17 1994-06-17 Menetelmä keittolipeiden valmistamiseksi viherlipeää kiteyttämällä
EP95109226A EP0687766A1 (en) 1994-06-17 1995-06-14 Method for the manufacture of cooking liquors by green liquor crystallization
US08/490,734 US5607549A (en) 1994-06-17 1995-06-15 Method for the manufacture of cooking liquors of different sulphidity by green liquor crystallization
CA002152016A CA2152016C (en) 1994-06-17 1995-06-16 Method for the manufacture of cooking liquors by green liquor crystallization

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI942902A FI95608B (fi) 1994-06-17 1994-06-17 Menetelmä keittolipeiden valmistamiseksi viherlipeää kiteyttämällä

Publications (2)

Publication Number Publication Date
FI942902A0 FI942902A0 (fi) 1994-06-17
FI95608B true FI95608B (fi) 1995-11-15

Family

ID=8540946

Family Applications (1)

Application Number Title Priority Date Filing Date
FI942902A FI95608B (fi) 1994-06-17 1994-06-17 Menetelmä keittolipeiden valmistamiseksi viherlipeää kiteyttämällä

Country Status (4)

Country Link
US (1) US5607549A (fi)
EP (1) EP0687766A1 (fi)
CA (1) CA2152016C (fi)
FI (1) FI95608B (fi)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
FI105929B (fi) * 1996-05-30 2000-10-31 Sunds Defibrator Pori Oy Parannettu erämenetelmä sulfaattiselluloosan valmistamiseksi
SE9803384L (sv) 1998-03-02 1999-09-03 Kemira Kemi Ab Förfarande för behandling av processvatten
US6348128B1 (en) * 1998-06-01 2002-02-19 U.S. Borax Inc. Method of increasing the causticizing efficiency of alkaline pulping liquor by borate addition
US6294048B1 (en) 1998-06-01 2001-09-25 U.S. Borax Inc. Method for regenerating sodium hydroxide by partial autocausticizing sodium carbonate containing smelt by reaction with a borate
US6123806A (en) * 1998-07-16 2000-09-26 Champion International Corporation Process for kraft chemical recovery
US20090288790A1 (en) * 2008-05-22 2009-11-26 Flanagan Peter J Process and apparatus for treating green liquor

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA792645A (en) * 1968-08-20 Oy Tampella Ab Method of crystallizing alkali as alkali monohydrate crystals
US1906886A (en) * 1927-11-23 1933-05-02 Brown Co Process of recovering and utilizing the valuable compounds in spent cooking liquors
US2711430A (en) * 1950-06-27 1955-06-21 Svenska Cellulosaforeningens C Method of improving the yield of methyl sulfide obtained by heating waste liquors fro cellulose manufacture by adding inorganic sulfides
US3762989A (en) * 1971-07-30 1973-10-02 St Regis Paper Co Pyrolysis of spent pulping liquors
US4131508A (en) * 1973-03-12 1978-12-26 Kamyr Inc. Recovery system for oxygen bleaching of pulp
US3909344A (en) * 1973-12-03 1975-09-30 Erco Envirotech Ltd Removal of sodium chloride from pulp mill operations
FI53728C (fi) * 1974-03-12 1978-07-10 Ahlstroem Oy Foerfarande foer aotervinning av kemikalier ur avlutar fraon sulfatcellulosakok och avfallsvatten fraon blekning
US3966874A (en) * 1975-05-14 1976-06-29 Reynolds Metals Company Extraction of alumina from bauxite ores
ZA762995B (en) * 1976-05-19 1977-07-27 Sappi Ltd Improvements relating to recovery of chemicals
CA1103412A (en) * 1978-01-09 1981-06-23 Willard A. Fuller Kraft mill recycle process
SE462106B (sv) * 1986-11-28 1990-05-07 Alf Ove Andersson Saett att utvinna energi och kemikalier ur avlut fraan massaberedning
US4953607A (en) * 1989-02-17 1990-09-04 A. Ahlstrom Multistage evaporating system
SE500748C2 (sv) * 1992-10-12 1994-08-22 Bertil Pettersson Förfarande vid kemikalieåtervinning i en sulfatmassafabrik för framställning av dels en vitlut med hög sulfiditet och dels en sulfidfattig vitlut

Also Published As

Publication number Publication date
FI942902A0 (fi) 1994-06-17
CA2152016C (en) 1999-05-18
US5607549A (en) 1997-03-04
CA2152016A1 (en) 1995-12-18
EP0687766A1 (en) 1995-12-20

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Legal Events

Date Code Title Description
BB Publication of examined application
GB Transfer or assigment of application

Owner name: AHLSTROM MACHINERY OY