DK231182A - PROCEDURE FOR PREPARING CELLULOS MASSES - Google Patents

PROCEDURE FOR PREPARING CELLULOS MASSES Download PDF

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Publication number
DK231182A
DK231182A DK231182A DK231182A DK231182A DK 231182 A DK231182 A DK 231182A DK 231182 A DK231182 A DK 231182A DK 231182 A DK231182 A DK 231182A DK 231182 A DK231182 A DK 231182A
Authority
DK
Denmark
Prior art keywords
cellulos
masses
preparing
procedure
preparing cellulos
Prior art date
Application number
DK231182A
Other languages
Danish (da)
Other versions
DK155192B (en
DK155192C (en
Inventor
F 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 DK231182A publication Critical patent/DK231182A/en
Publication of DK155192B publication Critical patent/DK155192B/en
Application granted granted Critical
Publication of DK155192C publication Critical patent/DK155192C/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
    • 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)
DK231182A 1980-09-22 1982-05-21 PROCEDURE FOR PREPARING CELLULOS MASSES DK155192C (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
IT8024818A IT1209352B (en) 1980-09-22 1980-09-22 PROCESS FOR THE PRODUCTION OF CHEMICAL CELLULOSE AND / OR PAPER PASTES, AS WELL AS THE PLANT AND ITS COMPONENTS FOR THE IMPLEMENTATION OF THE INDICATED PROCESS
IT2481880 1980-09-22
SE8100273 1981-01-19
PCT/SE1981/000273 WO1982001019A1 (en) 1980-09-22 1981-09-21 Process to produce pulps

Publications (3)

Publication Number Publication Date
DK231182A true DK231182A (en) 1982-05-21
DK155192B DK155192B (en) 1989-02-27
DK155192C DK155192C (en) 1989-07-10

Family

ID=11214834

Family Applications (1)

Application Number Title Priority Date Filing Date
DK231182A DK155192C (en) 1980-09-22 1982-05-21 PROCEDURE FOR PREPARING CELLULOS MASSES

Country Status (5)

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

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 (en) * 1991-12-09 1996-05-03 Toulouse Inst Nat Polytech PROCESS FOR THE MANUFACTURE OF BLEACHED PAPER PULP.
IN177634B (en) * 1992-04-06 1997-02-15 Process Improvement Systems Pbc
KR20010077423A (en) * 2000-02-01 2001-08-20 방윤혁 Method of manufacturing a regenerated cellulose fiber from the rice straw
RU2447219C2 (en) * 2007-12-05 2012-04-10 Схандонг Фуйин Папер Энд Енвиронментал Протектион Текхнологи Ко., Лтд Paper products from straw of cereals of natural colour and their fabrication technique
WO2010066195A1 (en) * 2008-12-09 2010-06-17 山东福荫造纸环保科技有限公司 Raw paper and production method and application thereof
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
CN116497619A (en) * 2023-05-17 2023-07-28 岳阳林纸股份有限公司 Natural color chemimechanical pulping process for camphorwood sodium hydroxide

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE374769B (en) * 1970-04-03 1975-03-17 Mac Millan Bloedel Ltd
SE355614B (en) * 1970-05-13 1973-04-30 Mo Och Domsjoe Ab
US4045279A (en) * 1972-01-17 1977-08-30 Toyo Pulp Co., Ltd. Process for the manufacture of pulp using sodium carbonate and oxygen
JPS5130601B2 (en) * 1972-01-17 1976-09-02
SE373896B (en) * 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
BR8108805A (en) 1982-08-24
DK155192B (en) 1989-02-27
WO1982001019A1 (en) 1982-04-01
DK155192C (en) 1989-07-10
EP0060277A1 (en) 1982-09-22
IT8024818A0 (en) 1980-09-22
EP0060277B1 (en) 1986-03-26
IT1209352B (en) 1989-07-16

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