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BR8108805A - Processo para produzir polpas - Google Patents

Processo para produzir polpas

Info

Publication number
BR8108805A
BR8108805A BR8108805A BR8108805A BR8108805A BR 8108805 A BR8108805 A BR 8108805A BR 8108805 A BR8108805 A BR 8108805A BR 8108805 A BR8108805 A BR 8108805A BR 8108805 A BR8108805 A BR 8108805A
Authority
BR
Brazil
Prior art keywords
produce pulp
pulp
produce
Prior art date
Application number
BR8108805A
Other languages
English (en)
Inventor
Franco Nardi
Original Assignee
Sunds Defibrator
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 Sunds Defibrator filed Critical Sunds Defibrator
Publication of BR8108805A publication Critical patent/BR8108805A/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
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D21C11/04—Regeneration of pulp liquors or effluent waste waters of alkali lye
    • 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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/02—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes
    • D21C3/026—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes in presence of O2, e.g. air
    • 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
    • D21C9/1073—Bleaching ; Apparatus therefor with O3

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
BR8108805A 1980-09-22 1981-09-21 Processo para produzir polpas BR8108805A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT8024818A IT1209352B (it) 1980-09-22 1980-09-22 Processo per la produzione di cellulose chimiche e/o paste per carte, nonche'impianto e relativi componenti per l'attuazione del processo indicato
PCT/SE1981/000273 WO1982001019A1 (en) 1980-09-22 1981-09-21 Process to produce pulps

Publications (1)

Publication Number Publication Date
BR8108805A true BR8108805A (pt) 1982-08-24

Family

ID=11214834

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8108805A BR8108805A (pt) 1980-09-22 1981-09-21 Processo para produzir polpas

Country Status (5)

Country Link
EP (1) EP0060277B1 (pt)
BR (1) BR8108805A (pt)
DK (1) DK155192C (pt)
IT (1) IT1209352B (pt)
WO (1) WO1982001019A1 (pt)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1269806A (en) * 1985-06-17 1990-06-05 Betzdearborn Inc. Method of enhancing the cooking of wood chips for pulp production
FR2684697B1 (fr) * 1991-12-09 1996-05-03 Toulouse Inst Nat Polytech Procede de fabrication de pate a papier blanchie.
IN177634B (pt) * 1992-04-06 1997-02-15 Process Improvement Systems Pbc
KR20010077423A (ko) * 2000-02-01 2001-08-20 방윤혁 볏짚을 이용한 재생 셀룰로오스 섬유의 제조 방법
US8303772B2 (en) * 2007-12-05 2012-11-06 Shangdong Fuyin Paper & Environmental Protection Technology Co., Ltd. Method for preparing a grass-type unbleached paper product
US8771465B2 (en) * 2008-12-09 2014-07-08 Shandong Fuyin Paper & Environmental Protection Technology Co., Ltd Raw Paper
US8795469B2 (en) * 2010-06-25 2014-08-05 Prairie Paper Ventures Inc. Method for preparing nonwood fiber paper
US10266610B2 (en) 2014-10-24 2019-04-23 Teknologian Tutkimuskeskus Vtt Oy Method of processing and fractionating biomass and use of fractions thus obtained
GB2534589A (en) * 2015-01-28 2016-08-03 Innovia Films Ltd Process
CN116497619B (zh) * 2023-05-17 2025-02-18 岳阳林纸股份有限公司 一种樟木氢氧化钠本色化学机械制浆工艺

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE374769B (pt) * 1970-04-03 1975-03-17 Mac Millan Bloedel Ltd
SE355614B (pt) * 1970-05-13 1973-04-30 Mo Och Domsjoe Ab
JPS5130601B2 (pt) * 1972-01-17 1976-09-02
US4045279A (en) * 1972-01-17 1977-08-30 Toyo Pulp Co., Ltd. Process for the manufacture of pulp using sodium carbonate and oxygen
SE373896B (pt) * 1972-07-05 1975-02-17 Mo Och Domsjoe Ab
GB1449828A (en) * 1973-04-26 1976-09-15 Canadian Ind Oxygen pulping process

Also Published As

Publication number Publication date
DK155192B (da) 1989-02-27
DK231182A (da) 1982-05-21
IT8024818A0 (it) 1980-09-22
IT1209352B (it) 1989-07-16
DK155192C (da) 1989-07-10
EP0060277B1 (en) 1986-03-26
EP0060277A1 (en) 1982-09-22
WO1982001019A1 (en) 1982-04-01

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Legal Events

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