AU2008203206B2 - Method and System for Semi-Chemical Pulping - Google Patents

Method and System for Semi-Chemical Pulping Download PDF

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Publication number
AU2008203206B2
AU2008203206B2 AU2008203206A AU2008203206A AU2008203206B2 AU 2008203206 B2 AU2008203206 B2 AU 2008203206B2 AU 2008203206 A AU2008203206 A AU 2008203206A AU 2008203206 A AU2008203206 A AU 2008203206A AU 2008203206 B2 AU2008203206 B2 AU 2008203206B2
Authority
AU
Australia
Prior art keywords
cooking vessel
liquor
extraction screen
cooking
lignin
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
AU2008203206A
Other languages
English (en)
Other versions
AU2008203206A1 (en
Inventor
Bertil Stromberg
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Andritz Inc
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 AU2008203206A1 publication Critical patent/AU2008203206A1/en
Application granted granted Critical
Publication of AU2008203206B2 publication Critical patent/AU2008203206B2/en
Ceased legal-status Critical Current
Anticipated expiration legal-status Critical

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

Landscapes

  • Paper (AREA)
  • Coloring Foods And Improving Nutritive Qualities (AREA)
AU2008203206A 2007-08-07 2008-07-18 Method and System for Semi-Chemical Pulping Ceased AU2008203206B2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US95444607P 2007-08-07 2007-08-07
US60/954,446 2007-08-07
US12/173,132 US20090038767A1 (en) 2007-08-07 2008-07-15 Method and System for Semi-Chemical Pulping
US12/173,132 2008-07-15

Publications (2)

Publication Number Publication Date
AU2008203206A1 AU2008203206A1 (en) 2009-02-26
AU2008203206B2 true AU2008203206B2 (en) 2011-12-15

Family

ID=40345370

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2008203206A Ceased AU2008203206B2 (en) 2007-08-07 2008-07-18 Method and System for Semi-Chemical Pulping

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
US8795468B2 (en) * 2010-07-09 2014-08-05 Valmet 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

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0476230A2 (en) * 1990-09-17 1992-03-25 Kamyr, Inc. 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
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
WO2006037860A1 (en) * 2004-10-04 2006-04-13 Metso Paper, Inc. Improved alkaline process and system for producing pulp

Family Cites Families (11)

* 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
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
MY129053A (en) * 2001-06-06 2007-03-30 Thermphos Trading Gmbh Composition for inhibiting calcium salt scale
FI126694B (fi) * 2005-12-02 2017-04-13 Metsä Board Oyj Kemimekaaninen massa ja menetelmä sen valmistamiseksi

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0476230A2 (en) * 1990-09-17 1992-03-25 Kamyr, Inc. 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
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
WO2006037860A1 (en) * 2004-10-04 2006-04-13 Metso Paper, Inc. Improved alkaline process and system for producing pulp

Also Published As

Publication number Publication date
JP2009041175A (ja) 2009-02-26
CN101387087B (zh) 2013-05-15
CN101387087A (zh) 2009-03-18
JP5060421B2 (ja) 2012-10-31
US20090038767A1 (en) 2009-02-12
RU2008130768A (ru) 2010-01-27
AU2008203206A1 (en) 2009-02-26
BRPI0803333A2 (pt) 2009-04-07
CL2008002309A1 (es) 2009-03-13
ZA200806264B (en) 2009-10-28
RU2479682C2 (ru) 2013-04-20
ES2525700T3 (es) 2014-12-29
PT2034090E (pt) 2014-12-19

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Legal Events

Date Code Title Description
FGA Letters patent sealed or granted (standard patent)
MK14 Patent ceased section 143(a) (annual fees not paid) or expired