AU2335788A - Process for bleaching mechanical pulp - Google Patents

Process for bleaching mechanical pulp

Info

Publication number
AU2335788A
AU2335788A AU23357/88A AU2335788A AU2335788A AU 2335788 A AU2335788 A AU 2335788A AU 23357/88 A AU23357/88 A AU 23357/88A AU 2335788 A AU2335788 A AU 2335788A AU 2335788 A AU2335788 A AU 2335788A
Authority
AU
Australia
Prior art keywords
mechanical pulp
bleaching mechanical
bleaching
pulp
mechanical
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.)
Abandoned
Application number
AU23357/88A
Other languages
English (en)
Inventor
William Avery Hills
Joseph Charles Richards
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.)
FMC Corp
Original Assignee
FMC Corp
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 FMC Corp filed Critical FMC Corp
Publication of AU2335788A publication Critical patent/AU2335788A/en
Abandoned 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
    • D21C9/1057—Multistage, with compounds cited in more than one sub-group D21C9/10, D21C9/12, D21C9/16

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Glass Compositions (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
AU23357/88A 1987-10-05 1988-10-04 Process for bleaching mechanical pulp Abandoned AU2335788A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10460787A 1987-10-05 1987-10-05
US104607 1987-10-05

Publications (1)

Publication Number Publication Date
AU2335788A true AU2335788A (en) 1989-05-25

Family

ID=22301388

Family Applications (1)

Application Number Title Priority Date Filing Date
AU23357/88A Abandoned AU2335788A (en) 1987-10-05 1988-10-04 Process for bleaching mechanical pulp

Country Status (7)

Country Link
EP (1) EP0311356A1 (enrdf_load_stackoverflow)
JP (1) JPH0197291A (enrdf_load_stackoverflow)
AU (1) AU2335788A (enrdf_load_stackoverflow)
BR (1) BR8805098A (enrdf_load_stackoverflow)
FI (1) FI884558A7 (enrdf_load_stackoverflow)
NO (1) NO884398L (enrdf_load_stackoverflow)
ZA (1) ZA887477B (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU641478B2 (en) * 1990-03-07 1993-09-23 Atochem Process for the preparation of bleached high-yield pulps
AU648115B2 (en) * 1990-10-17 1994-04-14 Interox International S.A. Preservation of the mechanical strength of paper pulp during the bleaching process

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE515708C2 (sv) * 2000-02-11 2001-10-01 Mo Och Domsjoe Ab Blekning av förblekt mekanisk massa med oxiderande blekmedel förstärkt med borhydrid
US11591751B2 (en) 2019-09-17 2023-02-28 Gpcp Ip Holdings Llc High efficiency fiber bleaching process
US12286751B2 (en) 2021-01-06 2025-04-29 Gpcp Ip Holdings Llc Oxygen treatment of high kappa fibers
US12435469B2 (en) 2022-02-22 2025-10-07 Gpcp Ip Holdings Llc High yield chemical pulping and bleaching process

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2290601A (en) * 1940-02-16 1942-07-21 Du Pont Bleaching of ground wood pulp with preliminary bisulphite treatment
DE834808C (de) * 1950-08-31 1952-03-24 Degussa Verfahren zum Bleichen von mechanisch erzeugten, schwer bleichbaren Faserstoffen, insbesondere Holzschliff
DE1171723B (de) * 1958-11-27 1964-06-04 Mo Och Domsjoe Ab Verfahren zum Veredeln von cellulose-haltigem Material
JPS575992A (en) * 1980-06-04 1982-01-12 Mitsubishi Gas Chemical Co Bleaching of high yield pulp by peroxide
FR2604197B1 (fr) * 1986-09-23 1988-11-18 Atochem Procede de blanchiment de matieres lignocellulosiques.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU641478B2 (en) * 1990-03-07 1993-09-23 Atochem Process for the preparation of bleached high-yield pulps
AU648115B2 (en) * 1990-10-17 1994-04-14 Interox International S.A. Preservation of the mechanical strength of paper pulp during the bleaching process

Also Published As

Publication number Publication date
FI884558A0 (fi) 1988-10-04
JPH0229791B2 (enrdf_load_stackoverflow) 1990-07-02
ZA887477B (en) 1989-06-28
FI884558L (fi) 1989-04-06
FI884558A7 (fi) 1989-04-06
NO884398D0 (no) 1988-10-04
BR8805098A (pt) 1989-05-16
NO884398L (no) 1989-04-06
EP0311356A1 (en) 1989-04-12
JPH0197291A (ja) 1989-04-14

Similar Documents

Publication Publication Date Title
AU636173B2 (en) Method for the chlorine-free bleaching of pulps
PH24134A (en) Process for making a pulp from bamboo
GB2296726B (en) Process for making refined cellulose
AU2092088A (en) Bleaching composition
AU3859589A (en) Paper making process
GB8817972D0 (en) Box & process for its production
AU2243688A (en) Method for dewatering paper
AU8495191A (en) Process for producing chemical pulp
GB2209772B (en) Process for pulping lignocellulose-containing material
AU1215388A (en) Glassware forming machine
AU2290888A (en) Melt-spinning process
AU1778488A (en) Vat
AU6467186A (en) Pulp bleaching
AU560978B2 (en) Bleaching cellulose pulp
AU2335788A (en) Process for bleaching mechanical pulp
AU2679888A (en) Process for producing semibleached kraft pulp
AU2413088A (en) Pulp bleaching process
AU2349688A (en) Dehydrating machine
AU591615B2 (en) Washing machine
AU591845B2 (en) Pinball machine
AU2094088A (en) Pinball machine
AU569234B3 (en) Poker machine
AU564351B3 (en) Poker machine
AU1168892A (en) Process for bleaching pulp
AU3962785A (en) Bleaching process