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
Links
- 238000000034 method Methods 0.000 title 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title 3
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 title 2
- 238000007669 thermal treatment Methods 0.000 title 1
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)
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)
| 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 |
| MXPA02012120A (en) | 2000-06-08 | 2003-06-06 | Lonza Ag | Aldehyde donors for stabilizing peroxides in papermaking applications. |
| 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 |
| US8246778B2 (en) | 2008-11-21 | 2012-08-21 | Buckman Laboratories International, Inc. | Method for controlling enzymatic decomposition of peroxide |
| ES2415831T3 (en) * | 2010-05-31 | 2013-07-29 | Kemira Oyj | Enzyme control in pasta production |
Family Cites Families (3)
| 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 |
| ES2120984T3 (en) * | 1991-10-04 | 1998-11-16 | Solvay Interox Inc | A PROCEDURE TO IMPROVE THE SELECTIVITY OF THE DELIGNIFICATION OF A CHEMICAL PAPER PASTE. |
-
1992
- 1992-07-29 GB GB9216098A patent/GB2269191A/en not_active Withdrawn
-
1993
- 1993-07-28 BR BR9303032A patent/BR9303032A/en not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| GB2269191A (en) | 1994-02-02 |
| GB9216098D0 (en) | 1992-09-09 |
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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 |