[go: up one dir, main page]

PT881326E - PROCESS FOR THE PREPARATION OF BRANDED SPECIAL CELLS - Google Patents

PROCESS FOR THE PREPARATION OF BRANDED SPECIAL CELLS

Info

Publication number
PT881326E
PT881326E PT97108710T PT97108710T PT881326E PT 881326 E PT881326 E PT 881326E PT 97108710 T PT97108710 T PT 97108710T PT 97108710 T PT97108710 T PT 97108710T PT 881326 E PT881326 E PT 881326E
Authority
PT
Portugal
Prior art keywords
branded
preparation
special cells
degradation
special
Prior art date
Application number
PT97108710T
Other languages
Portuguese (pt)
Inventor
Jiri Voronecky
Jorg Kuhn
Original Assignee
Schoeller & Hoesch Papierfab
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 Schoeller & Hoesch Papierfab filed Critical Schoeller & Hoesch Papierfab
Publication of PT881326E publication Critical patent/PT881326E/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
    • D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
    • 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
    • D21C9/1026—Other features in bleaching processes
    • D21C9/1036—Use of compounds accelerating or improving the efficiency of the processes

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Immobilizing And Processing Of Enzymes And Microorganisms (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)

Abstract

Reduction of degradation of cellulose and its derivatives in the production of bleached special pulp from annual plants comprises using additives (I) that do not react with the half stuff, bleaching chemicals and other components of the bleaching liquor but inhibit degradation.
PT97108710T 1997-05-30 1997-05-30 PROCESS FOR THE PREPARATION OF BRANDED SPECIAL CELLS PT881326E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP97108710A EP0881326B1 (en) 1997-05-30 1997-05-30 Process for producing bleached special cellulose pulps

Publications (1)

Publication Number Publication Date
PT881326E true PT881326E (en) 2002-04-29

Family

ID=8226853

Family Applications (1)

Application Number Title Priority Date Filing Date
PT97108710T PT881326E (en) 1997-05-30 1997-05-30 PROCESS FOR THE PREPARATION OF BRANDED SPECIAL CELLS

Country Status (6)

Country Link
EP (1) EP0881326B1 (en)
AT (1) ATE207153T1 (en)
DE (1) DE59704964D1 (en)
DK (1) DK0881326T3 (en)
ES (1) ES2164279T3 (en)
PT (1) PT881326E (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AR088787A1 (en) * 2011-08-30 2014-07-10 Cargill Inc PULP COMPOSITION

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2367771A (en) * 1941-10-08 1945-01-23 Mathieson Alkali Works Inc Bleaching cellulosic materials
US2478379A (en) * 1948-07-30 1949-08-09 Hercules Powder Co Ltd Cellulose bleaching
US4248663A (en) * 1978-07-05 1981-02-03 Pulp And Paper Research Institute Of Canada Pulping with an alkaline liquor containing a cyclic keto compound and an amino compound
SE434284B (en) * 1980-05-07 1984-07-16 Mo Och Domsjoe Ab PROCEDURES FOR OXYGEN DELIGNIFICATION OF CHEMICAL CONSUMPED CELLULOSAMASSA TO WHICH AROMATIC DIAMINES ARE PROVIDED
US4295928A (en) * 1980-08-07 1981-10-20 Nalco Chemical Company Phenolic compounds as viscosity preservatives during hypochlorite pulp bleaching
US4298428A (en) * 1980-08-07 1981-11-03 Nalco Chemical Company Use of additives in pulp bleaching processes to preserve pulp strength
US4487656A (en) * 1983-09-30 1984-12-11 Melamine Chemicals, Inc. Process for bleaching paper pulp using melamine as a viscosity stabilizer
JPS6112992A (en) * 1984-06-26 1986-01-21 新王子製紙株式会社 Bleaching of lignocellulose substance
DE4137761A1 (en) * 1991-05-17 1992-11-19 Call Hans Peter METHOD FOR DELIGNIFYING LIGNOCELLULOSE-CONTAINING MATERIAL, BLEACHING AND TREATING WASTEWATER BY LACCASE WITH EXTENDED EFFECTIVENESS
CA2190503A1 (en) * 1994-06-02 1995-12-14 Marco Solinas Ozone bleaching
US5529662A (en) * 1994-07-06 1996-06-25 Macmillan Bloedel Limited Method of bleaching cellulosic pulps with ozone and a protective amount of an N-alkylated urea

Also Published As

Publication number Publication date
DE59704964D1 (en) 2001-11-22
DK0881326T3 (en) 2002-02-11
ES2164279T3 (en) 2002-02-16
ATE207153T1 (en) 2001-11-15
EP0881326B1 (en) 2001-10-17
EP0881326A1 (en) 1998-12-02

Similar Documents

Publication Publication Date Title
AU560277B2 (en) Bleaching cellulose with oxidising agents and microwaves
BR9205696A (en) Process for loading cellulose fibers with calcium carbonate, paper pulp loaded with calcium carbonate, loaded paper and process for the production of a loaded paper from cellulosic fibers
BR9408596A (en) Process for bleaching kraft wood pulp
BR9206013A (en) Process for delignification of material containing lignocellulose, bleaching and wastewater treatment through laccases with improved efficiency.
FI964466A0 (en) Method for making a particularly light pulp Method for making a particularly light pulp
SE9400277D0 (en) oxygen / ozone / peracetic acid delignification and bleaching of cellulose pulp
ES2016084B3 (en) PROCEDURE FOR THE BLEACHING AND DIGNIFICATION OF PRODUCTS WITH CELLULOSE
ES8704569A1 (en) Sulphite pulping process for preparing cellulose pulp from lignocellulosic materials with recovery of the pulping chemicals.
NO912641D0 (en) CONTINUOUS, 2-step bleaching process for paper pulp.
PT881326E (en) PROCESS FOR THE PREPARATION OF BRANDED SPECIAL CELLS
DK0433138T3 (en) Process for bleaching chemical cellulose fiber pulp
BR8307656A (en) PROCESSING FOR PEROXIDE TARGETING OF MATERIAL CONTAINING CELLULOSE
DK0636192T3 (en) Blackening of cellulose material and compositions for use therewith
ID22210A (en) MAKING VEGETABLE SILK INGREDIENTS
FI871089A (en) ANVAENDNING AV RLDMTM1-6 OCH ANDRA LIGNINOLYTISKA ENZYMER.
DE68928822D1 (en) Process for the production of bleached chemithermomechanical pulps
DE69528660D1 (en) BLEACHING PAPER pulp
ES2131346T3 (en) PAPER PULP PRODUCTION PROCESS.
SE8800713L (en) SET FOR CELLULOSAMAS PREPARATION
BR9106763A (en) PROCESS AND APPLIANCES FOR TREATMENT OF LIGNOCELLULOSIC PASTE
BR9407409A (en) Process to treat lignocellulosic pulp before the bleaching stage and delignify it in the oxygen delignification stage
MX167744B (en) A METHOD FOR WASHING ALCLINE CELLULOSE PAPER PULP
BR9508634A (en) Pulping by alkaline sulfite
FI970105A (en) High performance containers for bleaching lignocellulosic material, cellulosic material and synthetic polymeric fibrous material
PT83751B (en) APPROPRIATE PROCESS FOR THE LENGTHENING AND BLEEDING OF A PULP OF CELLULOSE, WITH AN ALKALINE EXTRACTION IN THE PRESENCE OF OXYGEN AND HYPOCHLORITE