FR1401122A - Wood pulp bleaching process - Google Patents

Wood pulp bleaching process

Info

Publication number
FR1401122A
FR1401122A FR982387A FR982387A FR1401122A FR 1401122 A FR1401122 A FR 1401122A FR 982387 A FR982387 A FR 982387A FR 982387 A FR982387 A FR 982387A FR 1401122 A FR1401122 A FR 1401122A
Authority
FR
France
Prior art keywords
wood pulp
bleaching process
pulp bleaching
wood
pulp
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
Application number
FR982387A
Other languages
French (fr)
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.)
Metal Hydrides Inc
Original Assignee
Metal Hydrides 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 Metal Hydrides Inc filed Critical Metal Hydrides Inc
Priority to FR982387A priority Critical patent/FR1401122A/en
Priority to GB31484/64A priority patent/GB1082383A/en
Application granted granted Critical
Publication of FR1401122A publication Critical patent/FR1401122A/en
Expired 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
    • D21C9/1084—Bleaching ; Apparatus therefor with reducing compounds

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
FR982387A 1963-08-27 1964-07-21 Wood pulp bleaching process Expired FR1401122A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR982387A FR1401122A (en) 1963-08-27 1964-07-21 Wood pulp bleaching process
GB31484/64A GB1082383A (en) 1963-08-27 1964-08-27 Method for bleaching wood pulp

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US30499063A 1963-08-27 1963-08-27
FR982387A FR1401122A (en) 1963-08-27 1964-07-21 Wood pulp bleaching process

Publications (1)

Publication Number Publication Date
FR1401122A true FR1401122A (en) 1965-05-28

Family

ID=32963976

Family Applications (1)

Application Number Title Priority Date Filing Date
FR982387A Expired FR1401122A (en) 1963-08-27 1964-07-21 Wood pulp bleaching process

Country Status (2)

Country Link
FR (1) FR1401122A (en)
GB (1) GB1082383A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0587270A1 (en) * 1992-06-18 1994-03-16 Morton International, Inc. Method of bleaching paper pulp

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116856189A (en) * 2023-08-02 2023-10-10 东莞建晖纸业有限公司 White-flour kraft pulp production process

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0587270A1 (en) * 1992-06-18 1994-03-16 Morton International, Inc. Method of bleaching paper pulp
US5562803A (en) * 1992-06-18 1996-10-08 Morton International, Inc. Sequential bleaching of de-inked paper pulp with sodium bisulfite, dithionite and borohydride

Also Published As

Publication number Publication date
GB1082383A (en) 1967-09-06

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