ID29518A - METHOD FOR REDUCING SILICON CONTENT FROM GREEN LIQUID - Google Patents

METHOD FOR REDUCING SILICON CONTENT FROM GREEN LIQUID

Info

Publication number
ID29518A
ID29518A IDW00200101719A ID20011719A ID29518A ID 29518 A ID29518 A ID 29518A ID W00200101719 A IDW00200101719 A ID W00200101719A ID 20011719 A ID20011719 A ID 20011719A ID 29518 A ID29518 A ID 29518A
Authority
ID
Indonesia
Prior art keywords
silicon content
green liquid
reducing silicon
reducing
green
Prior art date
Application number
IDW00200101719A
Other languages
Indonesian (id)
Inventor
Juhani Vehmaan-Kreula
Original Assignee
Andritz Ahlstrom 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 Andritz Ahlstrom Oy filed Critical Andritz Ahlstrom Oy
Publication of ID29518A publication Critical patent/ID29518A/en

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
    • D21C11/0085—Introduction of auxiliary substances into the regenerating system in order to improve the performance of certain steps of the latter, the presence of these substances being confined to the regeneration cycle
    • D21C11/0092—Substances modifying the evaporation, combustion, or thermal decomposition processes of black liquor
    • 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
    • D21C11/10—Concentrating spent liquor by evaporation
    • D21C11/106—Prevention of incrustations on heating surfaces during the concentration, e.g. by elimination of the scale-forming substances contained in the liquors
    • 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
IDW00200101719A 1999-01-12 2000-01-07 METHOD FOR REDUCING SILICON CONTENT FROM GREEN LIQUID ID29518A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI990042A FI107743B (en) 1999-01-12 1999-01-12 Procedure for reducing the silica content of the green liquor

Publications (1)

Publication Number Publication Date
ID29518A true ID29518A (en) 2001-09-06

Family

ID=8553314

Family Applications (1)

Application Number Title Priority Date Filing Date
IDW00200101719A ID29518A (en) 1999-01-12 2000-01-07 METHOD FOR REDUCING SILICON CONTENT FROM GREEN LIQUID

Country Status (4)

Country Link
CN (1) CN1143024C (en)
FI (1) FI107743B (en)
ID (1) ID29518A (en)
WO (1) WO2000042251A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102041703B (en) * 2010-12-02 2012-05-23 陕西科技大学 Process for removing silicon in green liquor of papermaking alkali recovery section by seeding
CN102094346A (en) * 2010-12-02 2011-06-15 陕西科技大学 Acid method silica removal process for green liquor in alkali recovery section of papermaking
CN102619123A (en) * 2012-03-16 2012-08-01 陕西科技大学 Method for removing silicon from green liquor through synergism of calcium oxide, carbon dioxide and aluminum-containing compound
CN103469664B (en) * 2013-08-26 2015-09-16 陕西科技大学 A kind of alkali collection workshop section green liquor flocculation silicon removing method
CN115652676B (en) * 2022-11-17 2023-09-26 陕西科技大学 Green liquid silicon removal process for pre-stage silicon removal process

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4331507A (en) * 1979-12-10 1982-05-25 Dorr-Oliver Incorporated Desilication in alkaline pulp processes
US4347102A (en) * 1981-04-02 1982-08-31 Combustion Engineering, Inc. Elimination of potassium compounds from sodium-based pulped cycles
JPS6045692A (en) * 1983-08-18 1985-03-12 石川島播磨重工業株式会社 Removal of silica from pulp black liquor and green liquor
DK154659C (en) * 1986-11-03 1989-05-08 Fredericia Cellulosefabrik Akt PROCEDURE FOR REDUCING SILICON CONTENT IN BLACK CELLULOSE MANUFACTURING
SE9401663L (en) * 1994-05-13 1995-06-12 Kvaerner Pulping Tech Procedure for precipitating magnesium with aluminum during green clearing

Also Published As

Publication number Publication date
WO2000042251A1 (en) 2000-07-20
CN1335905A (en) 2002-02-13
FI990042A (en) 2000-07-13
FI107743B (en) 2001-09-28
FI990042A0 (en) 1999-01-12
CN1143024C (en) 2004-03-24

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