BR8200512A - Processo para a producao de polpa quimiomecanica em ausencia de estabilizantes de silicato - Google Patents

Processo para a producao de polpa quimiomecanica em ausencia de estabilizantes de silicato

Info

Publication number
BR8200512A
BR8200512A BR8200512A BR8200512A BR8200512A BR 8200512 A BR8200512 A BR 8200512A BR 8200512 A BR8200512 A BR 8200512A BR 8200512 A BR8200512 A BR 8200512A BR 8200512 A BR8200512 A BR 8200512A
Authority
BR
Brazil
Prior art keywords
chemiomechanical
pulp
absence
production
silicate stabilizers
Prior art date
Application number
BR8200512A
Other languages
English (en)
Inventor
Zenon C Prusas
Original Assignee
Mead Corp
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 Mead Corp filed Critical Mead Corp
Publication of BR8200512A publication Critical patent/BR8200512A/pt

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
    • D21B1/00—Fibrous raw materials or their mechanical treatment
    • D21B1/02—Pretreatment of the raw materials by chemical or physical means
    • D21B1/021—Pretreatment of the raw materials by chemical or physical means by chemical means
    • 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
    • D21C1/00—Pretreatment of the finely-divided materials before digesting
    • D21C1/06—Pretreatment of the finely-divided materials before digesting with alkaline reacting compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
BR8200512A 1981-02-11 1982-01-29 Processo para a producao de polpa quimiomecanica em ausencia de estabilizantes de silicato BR8200512A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US23341581A 1981-02-11 1981-02-11

Publications (1)

Publication Number Publication Date
BR8200512A true BR8200512A (pt) 1982-12-07

Family

ID=22877153

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8200512A BR8200512A (pt) 1981-02-11 1982-01-29 Processo para a producao de polpa quimiomecanica em ausencia de estabilizantes de silicato

Country Status (8)

Country Link
JP (1) JPS57149581A (pt)
AU (1) AU545847B2 (pt)
BR (1) BR8200512A (pt)
CA (1) CA1173604A (pt)
FI (1) FI820296L (pt)
NO (1) NO820336L (pt)
NZ (1) NZ199486A (pt)
SE (1) SE8200756L (pt)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE8501246L (sv) * 1985-03-13 1986-09-14 Eka Ab Sett att tillverka blekt, kemimekanisk och halvkemisk fibermassa med anvendning av enstegsimpregnering
SE454186C (sv) * 1985-03-13 1989-09-25 Eka Nobel Ab Saett foer framstaellning av kemimekanisk massa
US5607546A (en) * 1990-02-13 1997-03-04 Molnlycke Ab CTMP-process
SE466060C (sv) 1990-02-13 1995-09-11 Moelnlycke Ab Absorberande kemitermomekanisk massa och framställning därav
FR2675518B1 (fr) * 1991-04-17 1996-10-18 Atochem Procede de preparation de pate a papier a haut rendement et blanchie, a partir de copeaux de bois.
US20040200586A1 (en) 2002-07-19 2004-10-14 Martin Herkel Four stage alkaline peroxide mechanical pulping
WO2003008703A1 (en) 2001-07-19 2003-01-30 Andritz Inc. Four stage alkaline peroxide mechanical pulping
JP4501329B2 (ja) * 2002-03-29 2010-07-14 日本製紙株式会社 グラビア印刷用塗工紙
CN104389214A (zh) * 2014-10-28 2015-03-04 广西大学 一种利用鲜竹材制取apmp浆的方法

Also Published As

Publication number Publication date
AU545847B2 (en) 1985-08-01
SE8200756L (sv) 1982-08-12
NZ199486A (en) 1984-12-14
CA1173604A (en) 1984-09-04
FI820296L (fi) 1982-08-12
NO820336L (no) 1982-08-12
AU7947182A (en) 1982-08-19
JPS57149581A (en) 1982-09-16

Similar Documents

Publication Publication Date Title
BR8402769A (pt) Processo para a producao de dimetilamina
BR8406993A (pt) Processo para producao de microcapsulas
BR8406105A (pt) Processo para producao de uma nitrodiarilaminas
BR8302391A (pt) Processo para producao de poupa
BR8403395A (pt) Processo para a producao de benzotiazolil sulfenamidas
BR8203060A (pt) Processo para a producao de derivados de aminopiperidina
BR8405568A (pt) Processo para a producao de poliolefinas
BR8206380A (pt) Processo para producao de um derivado de 3-cloro-5-trifluormetilpiridina
BR8400791A (pt) Processo para a producao de folhas metalicas cunhadas em relevo
BR8402227A (pt) Processo para a producao de dimetilamina
BR8202979A (pt) Processo de producao de dimetileter
BR8200512A (pt) Processo para a producao de polpa quimiomecanica em ausencia de estabilizantes de silicato
BR8200810A (pt) Processo para a producao de um dissulfeto de tiurama
BR8200811A (pt) Processo para producao de dissulfetos de tiuram
BR8200617A (pt) Processo para produzir poliolefinas
BR8301546A (pt) Processo para a producao de aco em silicio
BR8204766A (pt) Processo para producao de 2-cloropiridinas
BR8108805A (pt) Processo para produzir polpas
BR8203713A (pt) Processo para producao de alcanois
BR8203793A (pt) Processo para producao de alcanois
BR8107049A (pt) Processo para producao de enduracidina
BR8102920A (pt) Processo para a producao de 2,3,5-tricloropiridina
BR8200247A (pt) Processo para a producao de amidas
BR8203306A (pt) Peroxido de uranio de facil manutencao e processo de fabricacao
BR8307733A (pt) Processo para a fabricacao de oxinitretos de itrio silicio