BR7401996D0 - Processo para branqueamento de polpa de lignocelulose - Google Patents

Processo para branqueamento de polpa de lignocelulose

Info

Publication number
BR7401996D0
BR7401996D0 BR1996/74A BR199674A BR7401996D0 BR 7401996 D0 BR7401996 D0 BR 7401996D0 BR 1996/74 A BR1996/74 A BR 1996/74A BR 199674 A BR199674 A BR 199674A BR 7401996 D0 BR7401996 D0 BR 7401996D0
Authority
BR
Brazil
Prior art keywords
whitening process
lignocellulose pulp
pulp whitening
lignocellulose
whitening
Prior art date
Application number
BR1996/74A
Other languages
English (en)
Portuguese (pt)
Inventor
D Andrews
Original Assignee
Canadian Ind
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 Canadian Ind filed Critical Canadian Ind
Publication of BR7401996D0 publication Critical patent/BR7401996D0/pt

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
    • D21C9/1057—Multistage, with compounds cited in more than one sub-group D21C9/10, D21C9/12, D21C9/16

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
BR1996/74A 1973-03-16 1974-03-15 Processo para branqueamento de polpa de lignocelulose BR7401996D0 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA166,552A CA992265A (en) 1973-03-16 1973-03-16 Bleaching of lignocellulosic pulp

Publications (1)

Publication Number Publication Date
BR7401996D0 true BR7401996D0 (pt) 1974-11-05

Family

ID=4096142

Family Applications (1)

Application Number Title Priority Date Filing Date
BR1996/74A BR7401996D0 (pt) 1973-03-16 1974-03-15 Processo para branqueamento de polpa de lignocelulose

Country Status (5)

Country Link
JP (1) JPS5117605B2 (fr)
AU (1) AU477047B2 (fr)
BR (1) BR7401996D0 (fr)
CA (1) CA992265A (fr)
ZA (1) ZA74951B (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61289193A (ja) * 1985-06-14 1986-12-19 神崎製紙株式会社 パルプの漂白方法

Also Published As

Publication number Publication date
JPS49125607A (fr) 1974-12-02
AU477047B2 (en) 1976-10-14
JPS5117605B2 (fr) 1976-06-03
AU6523874A (en) 1975-08-07
ZA74951B (en) 1975-01-29
CA992265A (en) 1976-07-06

Similar Documents

Publication Publication Date Title
BR7408894D0 (pt) Processo de adsorcao
BR7400184D0 (pt) Processo de bromacao
BR7310326D0 (pt) Processo de impressao
BR7403415D0 (pt) Processo para deslignificacao de material lignocelulosico
BR7407049D0 (pt) Processo para tratamento de material de fibra
BR7409648A (pt) Processo de producao de poli-eter-quinoxalinas
BR7401508D0 (pt) Processo de tingimento
AT333494B (de) Entrindungsmaschine
BR7410122A (pt) Processo de producao de polpa
BR7403602D0 (pt) Processo para obtencao de formaldeido
BR7403310D0 (pt) Processo de mordentagem
BR7401384D0 (pt) Processo para obtencao de alfa-aminoacil-3-halo-cefalosporinas
BR7409485A (pt) Maquina e processo de acabamento
IT1037095B (it) Processo di tintura
BR7301295D0 (pt) Processo para producao de polpa
BR7407461D0 (pt) Processo aperfeicoado para branqueamento de polpa
IT1017912B (it) Processo per la tintura di mate riali fibrosi
BR7400748D0 (pt) Processo para preparacao de composicoes de xampu
BR7401996D0 (pt) Processo para branqueamento de polpa de lignocelulose
BR7403189D0 (pt) Processo para fabricacao de carbonamidas
BR7405072D0 (pt) Processo para preparar triacetonamina
BR7400250D0 (pt) Processo para produzir cumeno
BR7405043D0 (pt) Processo para modificar materiais de fibras contendo ceratina
IT1025345B (it) Processo per fabbricare mercaptoben zotiazolo
BR7404439D0 (pt) Processo de cissao de hidroperoxidos cicloalifaticos