CA2441841C - Blanchiment au peroxyde de la pate de bois - Google Patents

Blanchiment au peroxyde de la pate de bois Download PDF

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Publication number
CA2441841C
CA2441841C CA 2441841 CA2441841A CA2441841C CA 2441841 C CA2441841 C CA 2441841C CA 2441841 CA2441841 CA 2441841 CA 2441841 A CA2441841 A CA 2441841A CA 2441841 C CA2441841 C CA 2441841C
Authority
CA
Canada
Prior art keywords
slurry
pulp
stabilizer
dtpa
peroxide
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.)
Expired - Fee Related
Application number
CA 2441841
Other languages
English (en)
Other versions
CA2441841A1 (fr
Inventor
Yonghao Ni
Zhiqing Li
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.)
University of New Brunswick
Original Assignee
University of New Brunswick
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
Priority claimed from US10/251,888 external-priority patent/US7001484B2/en
Application filed by University of New Brunswick filed Critical University of New Brunswick
Publication of CA2441841A1 publication Critical patent/CA2441841A1/fr
Application granted granted Critical
Publication of CA2441841C publication Critical patent/CA2441841C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Paper (AREA)
CA 2441841 2002-09-23 2003-09-22 Blanchiment au peroxyde de la pate de bois Expired - Fee Related CA2441841C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/251,888 US7001484B2 (en) 2000-05-04 2002-09-23 Peroxide bleaching of wood pulp using stabilizers and sodium hydrosulfide reducing agent
US10/251,888 2002-09-23

Publications (2)

Publication Number Publication Date
CA2441841A1 CA2441841A1 (fr) 2004-03-23
CA2441841C true CA2441841C (fr) 2007-08-07

Family

ID=32228701

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2441841 Expired - Fee Related CA2441841C (fr) 2002-09-23 2003-09-22 Blanchiment au peroxyde de la pate de bois

Country Status (1)

Country Link
CA (1) CA2441841C (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI122239B (fi) * 2004-02-25 2011-10-31 Kemira Oyj Menetelmä kuitumateriaalin käsittelemiseksi ja uusi koostumus
FI120201B (fi) 2004-05-12 2009-07-31 Kemira Oyj Uusi koostumus ja menetelmä kuitumateriaalin käsittelemiseksi

Also Published As

Publication number Publication date
CA2441841A1 (fr) 2004-03-23

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Effective date: 20130924