CA1333650C - Peroxide bleaching method - Google Patents

Peroxide bleaching method

Info

Publication number
CA1333650C
CA1333650C CA000612006A CA612006A CA1333650C CA 1333650 C CA1333650 C CA 1333650C CA 000612006 A CA000612006 A CA 000612006A CA 612006 A CA612006 A CA 612006A CA 1333650 C CA1333650 C CA 1333650C
Authority
CA
Canada
Prior art keywords
acid
pulp
bleaching
suspension
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
CA000612006A
Other languages
English (en)
French (fr)
Inventor
Josef Kubat
Lars Magnus Qvist
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.)
Individual
Original Assignee
Individual
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 to SE8700569A priority Critical patent/SE8700569D0/xx
Priority to EP88901957A priority patent/EP0348411B1/en
Priority to DE8888901957T priority patent/DE3876429T2/de
Priority to PCT/SE1988/000055 priority patent/WO1988006202A1/en
Priority to AT88901957T priority patent/ATE83016T1/de
Priority to FI893742A priority patent/FI91545C/fi
Application filed by Individual filed Critical Individual
Priority to CA000612006A priority patent/CA1333650C/en
Application granted granted Critical
Publication of CA1333650C publication Critical patent/CA1333650C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/16—Bleaching ; Apparatus therefor with per compounds
    • D21C9/163—Bleaching ; Apparatus therefor with per compounds with peroxides

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Detergent Compositions (AREA)
CA000612006A 1987-02-12 1989-09-19 Peroxide bleaching method Expired - Fee Related CA1333650C (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
SE8700569A SE8700569D0 (sv) 1987-02-12 1987-02-12 An improved peroxide bleaching method
EP88901957A EP0348411B1 (en) 1987-02-12 1988-02-12 An improved peroxide bleaching method
DE8888901957T DE3876429T2 (de) 1987-02-12 1988-02-12 Peroxid-bleichverfahren.
PCT/SE1988/000055 WO1988006202A1 (en) 1987-02-12 1988-02-12 An improved peroxide bleaching method
AT88901957T ATE83016T1 (de) 1987-02-12 1988-02-12 Peroxid-bleichverfahren.
FI893742A FI91545C (fi) 1987-02-12 1989-08-08 Parannettu peroksidivalkaisumenetelmä
CA000612006A CA1333650C (en) 1987-02-12 1989-09-19 Peroxide bleaching method

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE8700569A SE8700569D0 (sv) 1987-02-12 1987-02-12 An improved peroxide bleaching method
PCT/SE1988/000055 WO1988006202A1 (en) 1987-02-12 1988-02-12 An improved peroxide bleaching method
CA000612006A CA1333650C (en) 1987-02-12 1989-09-19 Peroxide bleaching method

Publications (1)

Publication Number Publication Date
CA1333650C true CA1333650C (en) 1994-12-27

Family

ID=25673050

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000612006A Expired - Fee Related CA1333650C (en) 1987-02-12 1989-09-19 Peroxide bleaching method

Country Status (7)

Country Link
EP (1) EP0348411B1 (fi)
AT (1) ATE83016T1 (fi)
CA (1) CA1333650C (fi)
DE (1) DE3876429T2 (fi)
FI (1) FI91545C (fi)
SE (1) SE8700569D0 (fi)
WO (1) WO1988006202A1 (fi)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE505980C2 (sv) * 1993-12-23 1997-10-27 Bim Kemi Ab Sätt att förhindra peroxidnedbrytande enzymer vid blekning med väteperoxid
DE19516151A1 (de) * 1995-05-03 1996-11-07 Sven Siegle Verfahren zur Herstellung einer Pulpe aus zellulosehaltigem Material, die Pulpe selbst und deren Verwendung
FI115470B (fi) * 1996-02-19 2005-05-13 Kemira Oyj Menetelmä kemiallisen selluloosamateriaalin käsittelemiseksi
FI115641B (fi) * 1996-02-19 2005-06-15 Kemira Oyj Korkeasaantomassojen valkaisumenetelmä

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE633420A (fi) * 1962-07-16
DE2219505C3 (de) * 1972-04-21 1974-10-17 Deutsche Gold- Und Silber-Scheideanstalt Vormals Roessler, 6000 Frankfurt Chlorfreie Mehrstufenbleiche von Zellstoff

Also Published As

Publication number Publication date
DE3876429D1 (de) 1993-01-14
FI91545B (fi) 1994-03-31
EP0348411B1 (en) 1992-12-02
SE8700569D0 (sv) 1987-02-12
ATE83016T1 (de) 1992-12-15
EP0348411A1 (en) 1990-01-03
FI893742A0 (fi) 1989-08-08
WO1988006202A1 (en) 1988-08-25
DE3876429T2 (de) 1993-07-01
FI91545C (fi) 1994-07-11

Similar Documents

Publication Publication Date Title
Gould Studies on the mechanism of alkaline peroxide delignification of agricultural residues
NZ248028A (en) Delignification of chemical paper pulp using organic peroxy acid; unbleached pulp treated in presence of phosphonic acid stabiliser for the peroxy acid
JP2504400B2 (ja) 過酸化水素による機械パルプの漂白法
CA2155124C (en) Inhibition of hydrogen peroxide decomposing enzymes, e.g. catalase and peroxidase during bleaching of cellulose fibers
US5618386A (en) Enzymatic bleaching of chemical lignocellulose pulp
CA1333650C (en) Peroxide bleaching method
US4675076A (en) Method for brightening pulp
NO169430B (no) Fremgangsmaate ved impregnering av tre
US5607544A (en) Process and agent for the oxidative bleaching of wood pulp and for deinking waste paper
CA1122358A (en) Process for the full bleaching of pulp
US5698075A (en) Process for bleaching a chemical paper pulp in an oxygen-peroxymonosulfuric acid-hydrogen peroxide sequence
EP0464110B1 (en) Bleaching process for the production of high bright pulps
HUT64119A (en) Method for enzyme-bleaching cellulose
DE69304342T3 (de) Verfahren zum bleichen von lignocellulose-enthaltendem zellstoff
US4912791A (en) Pretreatment of textile materials: alkaline scour or bleach with organo-phosphorus compound
US2687943A (en) Bleaching of mechanical wood pulp
US3709779A (en) Bleaching of mechanical pulps with hydrosulfite in the presence of an alkali metal silikate
JP2779197B2 (ja) 植物繊維の漂白方法
JP2001192991A (ja) アルカリパルプの漂白方法
SU870538A1 (ru) Способ отбелки древесной массы
RU2200155C2 (ru) Способ получения раствора пероксокислот для делигнификации и отбеливания
SU861444A1 (ru) Варочный раствор дл получени волокнистого полуфабриката
RU2040617C1 (ru) Способ отбелки целлюлозы
US3733247A (en) Bleching of cellulose fibers with an aqueous solution of a water-soluble hydroperoxypentacyanocobaltate salt
RU2109098C1 (ru) Способ отбелки целлюлозы

Legal Events

Date Code Title Description
MKLA Lapsed