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

Method and apparatus for semi-chemical pulping Download PDF

Info

Publication number: PT2034090E
Authority: PT; Portugal
Prior art keywords: semi; chemical pulping; pulping; chemical
Prior art date: 2007-08-07

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.)

2007-08-07

Filing date

2008-07-30

Publication date

2014-12-19

2008-07-30 Application filed by Andritz Inc filed Critical Andritz Inc

2014-12-19 Publication of PT2034090E publication Critical patent/PT2034090E/en

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 (8)

* 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
EP2591165B1 (en) *	2010-07-09	2020-05-06	Valmet Aktiebolag	Method and system for impregnating chips
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
US12297649B2 (en)	2022-10-27	2025-05-13	Primesource Building Products, Inc.	Deck clip

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

2008
- 2008-07-15 US US12/173,132 patent/US20090038767A1/en not_active Abandoned
- 2008-07-18 AU AU2008203206A patent/AU2008203206B2/en not_active Ceased
- 2008-07-18 ZA ZA200806264A patent/ZA200806264B/en unknown
- 2008-07-24 RU RU2008130768/12A patent/RU2479682C2/en not_active IP Right Cessation
- 2008-07-30 PT PT80136591T patent/PT2034090E/en unknown
- 2008-07-30 ES ES08013659.1T patent/ES2525700T3/en active Active
- 2008-08-01 JP JP2008199466A patent/JP5060421B2/en not_active Expired - Fee Related
- 2008-08-06 CL CL2008002309A patent/CL2008002309A1/en unknown
- 2008-08-06 BR BRPI0803333-1A patent/BRPI0803333A2/en not_active Application Discontinuation
- 2008-08-07 CN CN2008101349531A patent/CN101387087B/en not_active Expired - Fee Related

Also Published As

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

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