BR9303032A - PROCESS FOR THE TREATMENT OF WATER PROCESS SOLUTIONS, PROCESS TO IMPROVE THE STABILITY OF HYDROGEN PEROXIDE INTRODUCED IN A WATER PROCESSING SOLUTION, MULTI-STAGE PROCESS FOR THE WATER PULP TREATMENT AND PROCESS FOR TREATING THERMAL TREATMENT. - Google Patents

PROCESS FOR THE TREATMENT OF WATER PROCESS SOLUTIONS, PROCESS TO IMPROVE THE STABILITY OF HYDROGEN PEROXIDE INTRODUCED IN A WATER PROCESSING SOLUTION, MULTI-STAGE PROCESS FOR THE WATER PULP TREATMENT AND PROCESS FOR TREATING THERMAL TREATMENT.

Info

Publication number
BR9303032A
BR9303032A BR9303032A BR9303032A BR9303032A BR 9303032 A BR9303032 A BR 9303032A BR 9303032 A BR9303032 A BR 9303032A BR 9303032 A BR9303032 A BR 9303032A BR 9303032 A BR9303032 A BR 9303032A
Authority
BR
Brazil
Prior art keywords
water
treatment
stability
hydrogen peroxide
improve
Prior art date
Application number
BR9303032A
Other languages
Portuguese (pt)
Inventor
Joseph William Gerard Malone
Original Assignee
Solvay Interox Ltd
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 Solvay Interox Ltd filed Critical Solvay Interox Ltd
Publication of BR9303032A publication Critical patent/BR9303032A/en

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
    • 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)
  • Agricultural Chemicals And Associated Chemicals (AREA)
BR9303032A 1992-07-29 1993-07-28 PROCESS FOR THE TREATMENT OF WATER PROCESS SOLUTIONS, PROCESS TO IMPROVE THE STABILITY OF HYDROGEN PEROXIDE INTRODUCED IN A WATER PROCESSING SOLUTION, MULTI-STAGE PROCESS FOR THE WATER PULP TREATMENT AND PROCESS FOR TREATING THERMAL TREATMENT. BR9303032A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9216098A GB2269191A (en) 1992-07-29 1992-07-29 Method of treating aqueous process liquors

Publications (1)

Publication Number Publication Date
BR9303032A true BR9303032A (en) 1994-03-01

Family

ID=10719482

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9303032A BR9303032A (en) 1992-07-29 1993-07-28 PROCESS FOR THE TREATMENT OF WATER PROCESS SOLUTIONS, PROCESS TO IMPROVE THE STABILITY OF HYDROGEN PEROXIDE INTRODUCED IN A WATER PROCESSING SOLUTION, MULTI-STAGE PROCESS FOR THE WATER PULP TREATMENT AND PROCESS FOR TREATING THERMAL TREATMENT.

Country Status (2)

Country Link
BR (1) BR9303032A (en)
GB (1) GB2269191A (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE505980C2 (en) * 1993-12-23 1997-10-27 Bim Kemi Ab Ways to prevent peroxide-degrading enzymes by bleaching with hydrogen peroxide
DE4410663C1 (en) * 1994-03-26 1995-08-17 Benckiser Knapsack Ladenburg Process and compositions for the oxidative bleaching of wood pulp and for the deinking of waste paper
SE512126C2 (en) * 1997-12-23 2000-01-31 Btg Kaelle Inventing Ab Process for determining the amount / activity is catalysed before or in connection with bleaching of cellulose fibers preferably contained in a pulp suspension.
GB0001417D0 (en) * 2000-01-22 2000-03-08 Albright & Wilson Uk Ltd Bleaching pulp
ATE547557T1 (en) * 2000-06-08 2012-03-15 Lonza Ag ALDEHYDE SEPARATOR FOR STABILIZING PEROXIDES IN PAPER PRODUCTION
US20040200588A1 (en) * 2003-04-10 2004-10-14 Walker Jayne M.A. Method of controlling microorganisms in hydrogen peroxide pulp bleaching processes
GB0421359D0 (en) * 2004-09-24 2004-10-27 Basf Ag Method for the inactivation of enzymes
WO2010059762A1 (en) 2008-11-21 2010-05-27 Buckman Laboratories International, Inc. Method for controlling enzymatic decomposition of peroxide and products thereof
EP2390408B1 (en) * 2010-05-31 2013-03-27 Kemira Oyj Control of enzymes in the production of pulp

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3005947B1 (en) * 1980-02-16 1981-01-29 Degussa Process for bleaching pulp using organic peracid
FR2550561B1 (en) * 1983-08-08 1986-08-08 Interox PROCESS FOR THE REGENERATION OF OLD PAPERS
EP0535741B1 (en) * 1991-10-04 1998-07-08 Solvay Interox, Inc. Process for improving the selectivity in the delignification of a chemical pulp

Also Published As

Publication number Publication date
GB9216098D0 (en) 1992-09-09
GB2269191A (en) 1994-02-02

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Legal Events

Date Code Title Description
EE Request for examination
EG Technical examination (opinion): publication of technical examination (opinion)
FC Decision: refusal