PT2034090E - Método e aparelho para polpação semiquímica - Google Patents

Método e aparelho para polpação semiquímica 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
English (en)
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/pt

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 Método e aparelho para polpação semiquímica PT2034090E (pt)

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 (pt) 2014-12-19

Family

ID=40345370

Family Applications (1)

Application Number Title Priority Date Filing Date
PT80136591T PT2034090E (pt) 2007-08-07 2008-07-30 Método e aparelho para polpação semiquímica

Country Status (10)

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

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
WO2012005643A1 (en) * 2010-07-09 2012-01-12 Metso Paper Sweden Ab Method and system for impregnating chips
CN102787521A (zh) * 2011-05-16 2012-11-21 张世乐 一种用于间歇蒸煮的蒸煮液补偿技术
CN102704296B (zh) * 2012-07-09 2014-06-18 江苏联海生物科技有限公司 一种预处理秸秆类原料的工艺
CN105019290B (zh) * 2015-08-03 2017-01-11 海南金海浆纸业有限公司 一种制浆造纸蒸解釜筛板处理方法
UY39227A (es) * 2020-05-22 2021-12-31 Suzano Sa Método para desobstruir o limpiar una pantalla en un digestor continuo de cocción de proceso kraft
CN112025906B (zh) * 2020-09-10 2021-11-16 大禾(上海)环保科技有限公司 一种秸秆联产黄腐酸的无胶无醛纤维板生产工艺

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 (zh) * 1998-05-22 1998-12-16 陈源 棉浆及其他粗浆清洁生产工艺
JP2000080580A (ja) * 1998-09-04 2000-03-21 Daishowa Paper Mfg Co Ltd 連続蒸解釜におけるスケ−ル除去方法
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 (fi) * 2004-10-04 2009-11-30 Metso Paper Inc Alkalinen keittomenetelmä ja laitteisto massan valmistamiseksi
FI126694B (fi) * 2005-12-02 2017-04-13 Metsä Board Oyj Kemimekaaninen massa ja menetelmä sen valmistamiseksi

Also Published As

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

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