PT2034090E - Method and apparatus for semi-chemical pulping - Google Patents

Method and apparatus for semi-chemical pulping Download PDF

Info

Publication number
PT2034090E
PT2034090E PT80136591T PT08013659T PT2034090E PT 2034090 E PT2034090 E PT 2034090E PT 80136591 T PT80136591 T PT 80136591T PT 08013659 T PT08013659 T PT 08013659T PT 2034090 E PT2034090 E PT 2034090E
Authority
PT
Portugal
Prior art keywords
semi
chemical pulping
pulping
chemical
Prior art date
Application number
PT80136591T
Other languages
Portuguese (pt)
Inventor
Bertil Stromberg
Original Assignee
Andritz Inc
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 Inc filed Critical Andritz Inc
Publication of PT2034090E publication Critical patent/PT2034090E/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
    • D21C3/00—Pulping cellulose-containing materials
    • 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
    • D21C7/00—Digesters
PT80136591T 2007-08-07 2008-07-30 Method and apparatus for semi-chemical pulping PT2034090E (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US95444607P 2007-08-07 2007-08-07
US12/173,132 US20090038767A1 (en) 2007-08-07 2008-07-15 Method and System for Semi-Chemical Pulping

Publications (1)

Publication Number Publication Date
PT2034090E true PT2034090E (en) 2014-12-19

Family

ID=40345370

Family Applications (1)

Application Number Title Priority Date Filing Date
PT80136591T PT2034090E (en) 2007-08-07 2008-07-30 Method and apparatus for semi-chemical pulping

Country Status (10)

Country Link
US (1) US20090038767A1 (en)
JP (1) JP5060421B2 (en)
CN (1) CN101387087B (en)
AU (1) AU2008203206B2 (en)
BR (1) BRPI0803333A2 (en)
CL (1) CL2008002309A1 (en)
ES (1) ES2525700T3 (en)
PT (1) PT2034090E (en)
RU (1) RU2479682C2 (en)
ZA (1) ZA200806264B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100263813A1 (en) * 2009-04-21 2010-10-21 Andritz Inc. Green liquor pretreatment of lignocellulosic material
RU2515518C1 (en) * 2010-07-09 2014-05-10 Метсо Пейпер Свиден Аб Method and system of chip impregnation
CN102787521A (en) * 2011-05-16 2012-11-21 张世乐 Cooking liquid compensation technology used for intermittent cooking
CN102704296B (en) * 2012-07-09 2014-06-18 江苏联海生物科技有限公司 Process for pretreating straw raw materials
CN105019290B (en) * 2015-08-03 2017-01-11 海南金海浆纸业有限公司 Pulping and papermaking digesting kettle sieve plate treatment method
UY39227A (en) * 2020-05-22 2021-12-31 Suzano Sa METHOD FOR UNCLOGGING OR CLEANING A SCREEN IN A KRAFT PROCESS CONTINUOUS COOKING DIGESTOR
CN112025906B (en) 2020-09-10 2021-11-16 大禾(上海)环保科技有限公司 Production process of straw co-production fulvic acid glue-free and aldehyde-free fiberboard

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1432245A (en) * 1972-05-01 1976-04-14 Westvaco Corp Method of pulping wood
US3811995A (en) * 1972-09-05 1974-05-21 Westvaco Corp Method of high yield semichemical pulp production
JPS53119302A (en) * 1977-03-19 1978-10-18 Toyo Pulp Co Ltd Production of alkali pulp
JPS569494A (en) * 1979-06-29 1981-01-30 Mitsubishi Heavy Ind Ltd Causticizing method and apparatus of green liquor
CA2037717C (en) * 1990-09-17 1996-03-05 Bertil Stromberg Extended kraft cooking with white liquor added to wash circulation
US6132556A (en) * 1993-05-04 2000-10-17 Andritz-Ahlstrom Inc. Method of controlling pulp digester pressure via liquor extraction
US5565061A (en) * 1994-06-14 1996-10-15 Salminen; Reijo Method and apparatus for removing scales deposited on the strainer of a pulp digester
US5536367A (en) * 1995-01-25 1996-07-16 Salminen; Reijo K. Pulp digester cleaning system
US6248208B1 (en) * 1995-06-02 2001-06-19 Andritz-Ahlstrom Inc. Pretreatment of chips before cooking
CN1201851A (en) * 1998-05-22 1998-12-16 陈源 Cotton pulp and other coarse pulp clean production
JP2000080580A (en) * 1998-09-04 2000-03-21 Daishowa Paper Mfg Co Ltd Scale removal in continuous digester
US6277240B1 (en) * 1998-10-02 2001-08-21 Andritz-Ahlstrom Inc. Method for continuously pulping cellulosic fibrous material
US20010032711A1 (en) * 1998-10-26 2001-10-25 C. Bertil Stromberg Pulp cooking with particular alkali profiles
MY129053A (en) * 2001-06-06 2007-03-30 Thermphos Trading Gmbh Composition for inhibiting calcium salt scale
FI120547B (en) * 2004-10-04 2009-11-30 Metso Paper Inc Alkaline cooking process and pulp making plant
FI126694B (en) * 2005-12-02 2017-04-13 Metsä Board Oyj Chemical-mechanical pulp and process for producing chemical-mechanical pulp

Also Published As

Publication number Publication date
ZA200806264B (en) 2009-10-28
RU2479682C2 (en) 2013-04-20
ES2525700T3 (en) 2014-12-29
US20090038767A1 (en) 2009-02-12
JP5060421B2 (en) 2012-10-31
CN101387087B (en) 2013-05-15
AU2008203206A1 (en) 2009-02-26
CL2008002309A1 (en) 2009-03-13
AU2008203206B2 (en) 2011-12-15
BRPI0803333A2 (en) 2009-04-07
JP2009041175A (en) 2009-02-26
RU2008130768A (en) 2010-01-27
CN101387087A (en) 2009-03-18

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