FI862257A - Behandling av barrtraedsmassor med vaeteperoxid foer blekning av dem. - Google Patents
Behandling av barrtraedsmassor med vaeteperoxid foer blekning av dem. Download PDFInfo
- Publication number
- FI862257A FI862257A FI862257A FI862257A FI862257A FI 862257 A FI862257 A FI 862257A FI 862257 A FI862257 A FI 862257A FI 862257 A FI862257 A FI 862257A FI 862257 A FI862257 A FI 862257A
- Authority
- FI
- Finland
- Prior art keywords
- hydrogen peroxide
- pulp
- stage
- vaeteperoxid
- barrtraedsmassor
- Prior art date
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
- D21C9/163—Bleaching ; Apparatus therefor with per compounds with peroxides
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
- Stereophonic System (AREA)
- Measuring Leads Or Probes (AREA)
- Treatment Of Fiber Materials (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8508291 | 1985-05-29 | ||
FR8508291A FR2582692B1 (fr) | 1985-05-29 | 1985-05-29 | Traitement de pates papetieres chimiques par le peroxyde d'hydrogene en vue de leur blanchiment |
Publications (4)
Publication Number | Publication Date |
---|---|
FI862257A0 FI862257A0 (fi) | 1986-05-28 |
FI862257A true FI862257A (fi) | 1986-11-30 |
FI83239B FI83239B (fi) | 1991-02-28 |
FI83239C FI83239C (fi) | 1991-06-10 |
Family
ID=9319780
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI862257A FI83239C (fi) | 1985-05-29 | 1986-05-28 | Behandling av kemiska barrtraedsmassor med vaeteperoxid foer blekning av dem. |
Country Status (10)
Country | Link |
---|---|
US (1) | US4734161A (fi) |
EP (1) | EP0208625B1 (fi) |
JP (1) | JPS61275491A (fi) |
AT (1) | ATE32534T1 (fi) |
AU (1) | AU5794486A (fi) |
CA (1) | CA1273756A (fi) |
DE (1) | DE3660024D1 (fi) |
ES (1) | ES8802336A1 (fi) |
FI (1) | FI83239C (fi) |
FR (1) | FR2582692B1 (fi) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0642046B2 (ja) * | 1987-01-29 | 1994-06-01 | 新王子製紙株式会社 | 写真印画紙用支持体 |
FR2622221A1 (fr) * | 1987-10-22 | 1989-04-28 | Atochem | Procede de blanchiment de pates |
DE69004492T3 (de) * | 1989-06-06 | 2001-11-15 | Eka Nobel Ab, Bohus | Verfahren zum Bleichen von Lignocellulose enthaltenden Zellstoffen. |
SE9001481L (sv) * | 1990-04-23 | 1991-10-24 | Eka Nobel Ab | Reduktion av halogenorganiska foereningar i blekeriavlopp |
FR2661431B1 (fr) * | 1990-04-30 | 1992-07-17 | Atochem | Procede de blanchiment au peroxyde de l'hydrogene de pates a papier a haut rendement. |
BE1007700A3 (fr) * | 1993-11-04 | 1995-10-03 | Solvay Interox | Procede pour le blanchiment d'une pate a papier chimique. |
ZA955190B (en) * | 1994-07-11 | 1996-03-14 | Ingersoll Rand Co | Method for bleaching wood pulp using hydrogen peroxide |
US5562740A (en) * | 1995-06-15 | 1996-10-08 | The Procter & Gamble Company | Process for preparing reduced odor and improved brightness individualized, polycarboxylic acid crosslinked fibers |
CA2373562A1 (en) * | 2001-02-27 | 2002-08-27 | Aileen Reyes Gibson | Eop & ep process for bleaching of chemical pulp |
US7297225B2 (en) * | 2004-06-22 | 2007-11-20 | Georgia-Pacific Consumer Products Lp | Process for high temperature peroxide bleaching of pulp with cool discharge |
FR3007044B1 (fr) | 2013-06-13 | 2016-01-15 | Air Liquide | Procede de traitement des pates papetieres chimiques par traitement a l'ozone en presence d'ions magnesium |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2865701A (en) * | 1953-12-07 | 1958-12-23 | Nat Distillers Chem Corp | Process of bleaching kraft pulp with alkaline hypochlorite bleach acidifying the pulp containing residual chlorine and then bleaching with alkaline peroxide |
FR2038056A1 (en) * | 1969-03-07 | 1971-01-08 | Air Liquide | Stable, clear bleaching bath for paper - pulp |
US4187141A (en) * | 1975-02-24 | 1980-02-05 | Alf Societe Anonyme | Method of producing bleached mechanical pulp |
JPS583074B2 (ja) * | 1975-11-17 | 1983-01-19 | 三菱瓦斯化学株式会社 | パルプノ カサンカブツヒヨウハクホウ |
JPS5545806A (en) * | 1978-09-21 | 1980-03-31 | Oji Paper Co | Peroxide bleaching method of wood pulp |
US4294575A (en) * | 1979-01-02 | 1981-10-13 | Monsanto Company | Peroxide stabilization |
JPS5891884A (ja) * | 1981-11-27 | 1983-05-31 | 工業技術院長 | 高白色度未晒パルプの製造方法 |
SE451606B (sv) * | 1982-09-14 | 1987-10-19 | Sca Development Ab | Sett vid blekning av hogutbytesmassor medelst peroxider |
-
1985
- 1985-05-29 FR FR8508291A patent/FR2582692B1/fr not_active Expired
-
1986
- 1986-04-07 US US06/849,157 patent/US4734161A/en not_active Expired - Fee Related
- 1986-05-05 CA CA000508344A patent/CA1273756A/fr not_active Expired - Lifetime
- 1986-05-27 EP EP86420138A patent/EP0208625B1/fr not_active Expired
- 1986-05-27 DE DE8686420138T patent/DE3660024D1/de not_active Expired
- 1986-05-27 AT AT86420138T patent/ATE32534T1/de not_active IP Right Cessation
- 1986-05-27 AU AU57944/86A patent/AU5794486A/en not_active Abandoned
- 1986-05-28 ES ES555395A patent/ES8802336A1/es not_active Expired
- 1986-05-28 FI FI862257A patent/FI83239C/fi not_active IP Right Cessation
- 1986-05-29 JP JP61124600A patent/JPS61275491A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
FI83239C (fi) | 1991-06-10 |
JPH0156194B2 (fi) | 1989-11-29 |
FI83239B (fi) | 1991-02-28 |
CA1273756A (fr) | 1990-09-11 |
AU5794486A (en) | 1986-12-04 |
EP0208625A1 (fr) | 1987-01-14 |
FR2582692A1 (fr) | 1986-12-05 |
ATE32534T1 (de) | 1988-03-15 |
JPS61275491A (ja) | 1986-12-05 |
FI862257A0 (fi) | 1986-05-28 |
US4734161A (en) | 1988-03-29 |
DE3660024D1 (en) | 1988-03-24 |
ES555395A0 (es) | 1987-05-01 |
FR2582692B1 (fr) | 1987-12-11 |
ES8802336A1 (es) | 1987-05-01 |
EP0208625B1 (fr) | 1988-02-17 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FI862257A (fi) | Behandling av barrtraedsmassor med vaeteperoxid foer blekning av dem. | |
ES2062662T3 (es) | Composiciones de blanqueo a baja temperatura. | |
MX9400039A (es) | Composiciones detergentes liquidas concentradas que contienen glucosa y oxidasa de glucosa estabilizadas para generacion de peroxido de hidrogeno. | |
JPS6438499A (en) | Liquid detergent containing solid peroxide bleaching agent | |
NZ298123A (en) | Aqueous composition of hydrogen peroxide or an organic peracid with a ph of 2 or less to remove and/or bleach limescale at a surface | |
MY103707A (en) | Denture cleaning tablet. | |
GR3033851T3 (en) | Weakly alkaline washing-up agent. | |
DE3377583D1 (en) | Detergent compositions | |
EP0622491A3 (en) | Process for bleaching lignocellulosic pulp. | |
SE8603593L (sv) | Forfarande for oxidativ eller reduktiv blekning av tremassa | |
NZ224144A (en) | Pulp bleaching process | |
HUT52712A (en) | Process for recovering rhodium | |
MY112593A (en) | A storage stable water solution for infusion containing a thrombin inhibitor | |
ES8705516A1 (es) | Un procedimiento para activar peroxido de hidrogeno | |
SE9301160D0 (sv) | Foerfarande foer behandling av processvatten | |
WO1996006909A3 (de) | Enzymatische, aktiven sauerstoff liefernde mischung sowie herstellung von persäuren | |
FI882769A0 (fi) | Styrning av peroxidblekning av olika traemassor. | |
ES2032026T3 (es) | Oxidacion y descomposicion subsiguiente de dihidroperoxido. | |
ES8602997A1 (es) | Procedimiento de preparar formulaciones fluidas detergentes | |
JPS5638477A (en) | Formation of cupric oxide coating | |
FR2343797A1 (fr) | Solutions stabilisees de peroxyde d'hydrogene pour les traitements de surface des metaux | |
ATE90738T1 (de) | Zusammensetzungen zum schuetzen von eisenoberflaechen gegen atmosphaerische oxidierung. | |
ES8609157A1 (es) | Procedimiento para producir tripolifosfato sodico. | |
RO100495A2 (ro) | Procedeu de preparare a sarii de magneziu a acidului ascorbic-solutie 10% | |
SU1363736A1 (ru) | Способ очистки и осушки хлористого метила |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM | Patent lapsed | ||
MM | Patent lapsed |
Owner name: ATOCHEM |