FR1014536A - Wood pulp bleaching improvements - Google Patents

Wood pulp bleaching improvements

Info

Publication number
FR1014536A
FR1014536A FR1014536DA FR1014536A FR 1014536 A FR1014536 A FR 1014536A FR 1014536D A FR1014536D A FR 1014536DA FR 1014536 A FR1014536 A FR 1014536A
Authority
FR
France
Prior art keywords
wood pulp
pulp bleaching
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
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.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and Co
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 EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Application granted granted Critical
Publication of FR1014536A publication Critical patent/FR1014536A/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
    • D21C9/16—Bleaching ; Apparatus therefor with per compounds
    • D21C9/166—Bleaching ; Apparatus therefor with per compounds with peracids

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
FR1014536D 1940-04-01 1947-08-02 Wood pulp bleaching improvements Expired FR1014536A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US1014536XA 1940-04-01 1940-04-01

Publications (1)

Publication Number Publication Date
FR1014536A true FR1014536A (en) 1952-08-18

Family

ID=22284719

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1014536D Expired FR1014536A (en) 1940-04-01 1947-08-02 Wood pulp bleaching improvements

Country Status (1)

Country Link
FR (1) FR1014536A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0535741A1 (en) * 1991-10-04 1993-04-07 Interox America Process for improving the selectivity in the delignification of a chemical pulp
EP0578303A1 (en) * 1992-07-06 1994-01-12 Solvay Interox Process for the delignification of a chemical paper pulp
EP0578305A1 (en) * 1992-07-06 1994-01-12 SOLVAY INTEROX (Société Anonyme) Process of delignification of a chemical pulp
DE19516151A1 (en) * 1995-05-03 1996-11-07 Sven Siegle Process for the production of a pulp from cellulosic material, the pulp itself and its use

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0535741A1 (en) * 1991-10-04 1993-04-07 Interox America Process for improving the selectivity in the delignification of a chemical pulp
EP0844328A2 (en) * 1991-10-04 1998-05-27 Solvay Interox, Inc. Process for improving the selectivity in the delignification of a chemical pulp
EP0844328A3 (en) * 1991-10-04 1998-07-15 Solvay Interox, Inc. Process for improving the selectivity in the delignification of a chemical pulp
EP0578303A1 (en) * 1992-07-06 1994-01-12 Solvay Interox Process for the delignification of a chemical paper pulp
EP0578305A1 (en) * 1992-07-06 1994-01-12 SOLVAY INTEROX (Société Anonyme) Process of delignification of a chemical pulp
BE1006057A3 (en) * 1992-07-06 1994-05-03 Solvay Interox Method for delignification of chemical pulp.
US5552018A (en) * 1992-07-06 1996-09-03 Solvay Interox (Societe Anonyme) A process for delignifying pulp with organic peroxyacid in the presence of phosphonic acids and their salts
DE19516151A1 (en) * 1995-05-03 1996-11-07 Sven Siegle Process for the production of a pulp from cellulosic material, the pulp itself and its use
US6183597B1 (en) 1995-05-03 2001-02-06 Natural Pulping Ag Method of producing a pulp from cellulosic material using formic acid and hydrogen peroxide

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