LTIP754A - Process for bleaching of cellulose excluding the use of chlorine - Google Patents

Process for bleaching of cellulose excluding the use of chlorine

Info

Publication number
LTIP754A
LTIP754A LTIP754A LTIP754A LTIP754A LT IP754 A LTIP754 A LT IP754A LT IP754 A LTIP754 A LT IP754A LT IP754 A LTIP754 A LT IP754A LT IP754 A LTIP754 A LT IP754A
Authority
LT
Lithuania
Prior art keywords
bleaching
chlorine
excluding
cellulose
cellulose excluding
Prior art date
Application number
LTIP754A
Inventor
Herbert Sixta
Gerhard Goetzinger
Oskar Hoeglinger
Peter Hendel
Wilfried Rueckl
Walter Peter
Friedrich Kurz
Alfred Schrittwieser
Manfred Schneeweisz
Original Assignee
Chemiefaser Lenzing Ag
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 Chemiefaser Lenzing Ag filed Critical Chemiefaser Lenzing Ag
Publication of LTIP754A publication Critical patent/LTIP754A/en
Publication of LT3393B publication Critical patent/LT3393B/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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
LTIP754A 1989-10-30 1993-07-02 Process for bleaching of cellulose excluding the use of chlorine LT3393B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT0249489A AT404740B (en) 1989-10-30 1989-10-30 Process for the chlorine-free bleaching of pulps

Publications (2)

Publication Number Publication Date
LTIP754A true LTIP754A (en) 1995-01-31
LT3393B LT3393B (en) 1995-08-25

Family

ID=3535300

Family Applications (1)

Application Number Title Priority Date Filing Date
LTIP754A LT3393B (en) 1989-10-30 1993-07-02 Process for bleaching of cellulose excluding the use of chlorine

Country Status (7)

Country Link
KR (1) KR100194405B1 (en)
AT (1) AT404740B (en)
CZ (1) CZ283692B6 (en)
LT (1) LT3393B (en)
PL (1) PL164587B1 (en)
RU (1) RU2044809C1 (en)
ZA (1) ZA908684B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA955290B (en) * 1994-07-11 1996-12-27 Ingersoll Rand Co Peroxide bleaching process for cellulosic and lignocellulosic material
DE10158449C1 (en) * 2001-11-30 2003-12-24 Wedeco Umwelttechnologie Gmbh Method and device for compressing ozone-containing gas for ozone pulp bleaching
RU2290469C1 (en) * 2005-06-24 2006-12-27 Открытое акционерное общество "Центральный научно-исследовательский институт бумаги" (ОАО "ЦНИИБ") Multistep sulfite cellulose bleaching process
AU2011229776B2 (en) * 2010-03-23 2013-11-28 International Paper Company Improved BCTMP filtrate recycling system and method
WO2014122533A2 (en) * 2013-02-08 2014-08-14 Gp Cellulose Gmbh Softwood kraft fiber having an improved a-cellulose content and its use in the production of chemical cellulose products

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE406430C (en) 1923-02-10 1924-11-21 Manfred Gottfried Semper Dr In Refining process for precious metals and their alloys
US3775359A (en) 1967-08-04 1973-11-27 Diamond Shamrock Corp Rigid polyvinyl chloride resin powder composition for extrusion processes
US3635834A (en) 1969-12-22 1972-01-18 Squibb & Sons Inc Process for preparing semisolid emulsions
US4119486A (en) * 1975-08-14 1978-10-10 Westvaco Corporation Process for bleaching wood pulp with ozone in the presence of a cationic surfactant
US4080249A (en) * 1976-06-02 1978-03-21 International Paper Company Delignification and bleaching of a lignocellulosic pulp slurry with ozone
US4216054A (en) * 1977-09-26 1980-08-05 Weyerhaeuser Company Low-consistency ozone delignification
US4372812A (en) * 1978-04-07 1983-02-08 International Paper Company Chlorine free process for bleaching lignocellulosic pulp
US4283251A (en) * 1980-01-24 1981-08-11 Scott Paper Company Ozone effluent bleaching
DE3118384C1 (en) * 1981-05-09 1982-11-11 Mannesmann AG, 4000 Düsseldorf Process for bleaching chemically produced pulp with ozone
US4619733A (en) * 1983-11-30 1986-10-28 Kooi Boon Lam Pollution free pulping process using recycled wash effluent from multiple bleach stages to remove black liquor and recovering sodium hydroxide from the black liquor
AT380496B (en) * 1984-06-27 1986-05-26 Steyrermuehl Papier METHOD AND REACTOR FOR DELIGNIFYING CELLULAR WITH OXYGEN
AT384837B (en) * 1985-06-27 1988-01-11 Steyrermuehl Papier Process and arrangement for the delignification of pulp with oxygen
JPH0768675B2 (en) 1986-10-13 1995-07-26 新王子製紙株式会社 Oxygen delignification and bleaching method for cellulose pulp

Also Published As

Publication number Publication date
ATA249489A (en) 1992-01-15
PL164587B1 (en) 1994-08-31
LT3393B (en) 1995-08-25
KR910008225A (en) 1991-05-30
RU2044809C1 (en) 1995-09-27
CZ283692B6 (en) 1998-06-17
AT404740B (en) 1999-02-25
KR100194405B1 (en) 1999-06-15
ZA908684B (en) 1991-08-28

Similar Documents

Publication Publication Date Title
AR243946A1 (en) Process for the chlorine-free bleaching of pulp
HU903455D0 (en) Process for the production of perfluor-polyether peroxides
AU2167988A (en) Metallo-porphyrins as bleach catalyst and process for cleaning fabrics
GB2296726B (en) Process for making refined cellulose
EP0469701A3 (en) Process for the simultaneous treatment of two hazardous feedstocks
GB8902293D0 (en) Treatment process
YU44950B (en) Process for producing chlorine
HUT45946A (en) Process for producing chlorine
HU911750D0 (en) Process for the production of medical preparations containing substituted betha-hydroxy-ethylamines
LTIP754A (en) Process for bleaching of cellulose excluding the use of chlorine
EP0419385A3 (en) Process for the fabrication of bleached vegetable pulps
ZA908340B (en) Chlorine dioxide pulp bleaching process using sequential chlorine addition
PL287415A1 (en) Process for bleaching paper pulp with chlorine dioxide
GB8607063D0 (en) Washing & bleaching process
AU2413088A (en) Pulp bleaching process
HU9201097D0 (en) Process for the production of tetratiocarbonates
EP0233152A3 (en) Photographic material for the silver-dye bleaching process
ZA823048B (en) Process for bleaching chemically produced pulp
ZA912503B (en) Bleacing of chemical pulp
ZA916546B (en) Process for the refining and bleaching of cellulose
IL92786A0 (en) Process for the manufacture of anilinofumarate via chloromaleate or chlorofumarate or mixtures thereof
PH22030A (en) Improved process for the manufacture of bleaching detergent materials
GB9217177D0 (en) Process for the production of fluff pulp
IL96824A0 (en) Process for the manufacture of nitrophenetole
RO100634B1 (en) Chlorine obtaining process

Legal Events

Date Code Title Description
MM9A Lapsed patents

Effective date: 20010702