SE8300041L - Forfarande for delignifiering av cellulosamaterial med syre i ett alkaliskt medium vid atmosferstryck - Google Patents

Forfarande for delignifiering av cellulosamaterial med syre i ett alkaliskt medium vid atmosferstryck

Info

Publication number
SE8300041L
SE8300041L SE8300041A SE8300041A SE8300041L SE 8300041 L SE8300041 L SE 8300041L SE 8300041 A SE8300041 A SE 8300041A SE 8300041 A SE8300041 A SE 8300041A SE 8300041 L SE8300041 L SE 8300041L
Authority
SE
Sweden
Prior art keywords
medium
delignification
alkaline
reaction vessel
oxygen
Prior art date
Application number
SE8300041A
Other languages
English (en)
Other versions
SE8300041D0 (sv
Inventor
T R Hanser
W L Thornburg
Original Assignee
Procter & Gamble
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 Procter & Gamble filed Critical Procter & Gamble
Publication of SE8300041D0 publication Critical patent/SE8300041D0/sv
Publication of SE8300041L publication Critical patent/SE8300041L/sv

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
    • D21C9/147—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
SE8300041A 1982-01-08 1983-01-04 Forfarande for delignifiering av cellulosamaterial med syre i ett alkaliskt medium vid atmosferstryck SE8300041L (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US33844782A 1982-01-08 1982-01-08

Publications (2)

Publication Number Publication Date
SE8300041D0 SE8300041D0 (sv) 1983-01-04
SE8300041L true SE8300041L (sv) 1983-07-09

Family

ID=23324856

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8300041A SE8300041L (sv) 1982-01-08 1983-01-04 Forfarande for delignifiering av cellulosamaterial med syre i ett alkaliskt medium vid atmosferstryck

Country Status (2)

Country Link
CA (1) CA1195811A (sv)
SE (1) SE8300041L (sv)

Also Published As

Publication number Publication date
CA1195811A (en) 1985-10-29
SE8300041D0 (sv) 1983-01-04

Similar Documents

Publication Publication Date Title
DE3582520D1 (de) Trennung von bestandteilen aus einer fliessenden mischung.
FR2359206A1 (fr) Procede de preparation de glucose a partir de matieres premieres vegetales contenant de la cellulose
FR2388933A1 (fr) Procede et installation pour le traitement d'une matiere volumineuse finement divisee notamment d'une pate fibreuse ou cellulosique
YU49281B (sh) Postupak za proizvodnju vinilacetata
GB1425818A (en) Method of controlling reaction conditions in a sulbphur dioxide scrubber
ATE120816T1 (de) Ozonbleichen von zellstoff mittlerer konsistenz.
ATE100124T1 (de) Vorrichtung und verfahren zur herstellung von russ.
TR199901914A2 (xx) Vinil asetat �retim y�ntemi.
GB1500864A (en) Loop reactor
SE8300041L (sv) Forfarande for delignifiering av cellulosamaterial med syre i ett alkaliskt medium vid atmosferstryck
DK172785D0 (da) Medieblandende dyse
US3677714A (en) Porous ring feed head
ES8307661A1 (es) "un procedimiento para la preparacion de percarbonato sodico".
JPS57128653A (en) Preparation of alpha-oxyisobutyric acid
JPS5659801A (en) New production process of cellulose acetate
JPS5240589A (en) Preparation of alkali cellulose for raw material of viscose
ATE25662T1 (de) Verfahren zur reinigung von benzoesaeure.
JPS5767552A (en) Production of chlorobenzensulfonyl chloride
TW360634B (en) Process for the preparation of acyloxyalkanesulfonates having improved properties
SE8803705L (sv) Saett vid oxygenblekning
ATE29477T1 (de) Verfahren zur herstellung von natriumperboratmonohydrat aus natriumperboratetrahydrat.
SU700555A1 (ru) Способ переработки расплавленных штейнов
JPS5310717A (en) Production of cellulose acetate pulp
EP0063682A3 (en) Process for the production of synthesis gas by partial oxidation of slag-rich feed material
GB1477245A (en) Reactor for use in producing phosphoric acid

Legal Events

Date Code Title Description
NAV Patent application has lapsed

Ref document number: 8300041-4

Effective date: 19880824

Format of ref document f/p: F