FR2084031A5 - - Google Patents

Info

Publication number
FR2084031A5
FR2084031A5 FR7106969A FR7106969A FR2084031A5 FR 2084031 A5 FR2084031 A5 FR 2084031A5 FR 7106969 A FR7106969 A FR 7106969A FR 7106969 A FR7106969 A FR 7106969A FR 2084031 A5 FR2084031 A5 FR 2084031A5
Authority
FR
France
Legal status (The legal status 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 status listed.)
Expired
Application number
FR7106969A
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mo och Domsjo AB
Original Assignee
Mo och Domsjo AB
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 Mo och Domsjo AB filed Critical Mo och Domsjo AB
Application granted granted Critical
Publication of FR2084031A5 publication Critical patent/FR2084031A5/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B1/00—Preparatory treatment of cellulose for making derivatives thereof, e.g. pre-treatment, pre-soaking, activation
    • C08B1/08—Alkali cellulose
    • 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
    • D21C9/1026—Other features in bleaching processes
    • D21C9/1036—Use of compounds accelerating or improving the efficiency of the processes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Biochemistry (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Paper (AREA)
FR7106969A 1970-03-02 1971-03-01 Expired FR2084031A5 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE02732/70A SE353749B (de) 1970-03-02 1970-03-02

Publications (1)

Publication Number Publication Date
FR2084031A5 true FR2084031A5 (de) 1971-12-17

Family

ID=20260555

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7106969A Expired FR2084031A5 (de) 1970-03-02 1971-03-01

Country Status (10)

Country Link
US (1) US3701712A (de)
JP (1) JPS5022601B1 (de)
AT (1) AT311169B (de)
BR (1) BR7101287D0 (de)
DE (1) DE2109542C3 (de)
FI (1) FI55531C (de)
FR (1) FR2084031A5 (de)
NO (1) NO133594C (de)
SE (1) SE353749B (de)
ZA (1) ZA711271B (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2457338A1 (fr) * 1979-05-25 1980-12-19 Interox Procede pour la protection des matieres cellulosiques au cours de leurs traitements par des solutions alcalines

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5027081B2 (de) * 1971-11-10 1975-09-05
US4045279A (en) * 1972-01-17 1977-08-30 Toyo Pulp Co., Ltd. Process for the manufacture of pulp using sodium carbonate and oxygen
US4089737A (en) * 1974-02-18 1978-05-16 Toyo Pulp Company, Ltd. Delignification of cellulosic material with an alkaline aqueous medium containing oxygen dissolved therein
SE393138B (sv) * 1974-03-14 1977-05-02 Mo Och Domsjoe Ab Forfarande for blekning av cellulosa med en syre innehallande gas i nervaro av natriumbikarbonat
US4087318A (en) * 1974-03-14 1978-05-02 Mo Och Domsjo Aktiebolag Oxygen-alkali delignification of lignocellulosic material in the presence of a manganese compound
US4338158A (en) * 1976-04-09 1982-07-06 Weyerhaeuser Company Pulping in the presence of a protector
US4172006A (en) * 1976-08-26 1979-10-23 Weyerhaeuser Company Method of delignifying wood chips with oxygen by adding cooking liquor under pressure
CA1079457A (en) * 1976-09-13 1980-06-17 Robert C. Eckert Manganic ion bleaching process
US4197168A (en) * 1978-06-07 1980-04-08 Scm Corporation Recovery of anthraquinone from tall oil
US4594130A (en) * 1978-11-27 1986-06-10 Chang Pei Ching Pulping of lignocellulose with aqueous alcohol and alkaline earth metal salt catalyst
US5770010A (en) * 1995-04-20 1998-06-23 R-J Holding Company Pulping process employing nascent oxygen
US20020129911A1 (en) * 2000-10-16 2002-09-19 Marcoccia Bruno S. Process and configuration for providing external upflow/internal downflow in a continuous digester
WO2005047599A2 (en) * 2003-11-08 2005-05-26 Lally Thomas J Method for manufacturing fire-retardant cellulose-based materials
WO2012034087A1 (en) * 2010-09-10 2012-03-15 Synthetic Genomics, Inc. Solubilization of coal or lignocellulose biomass
US20130233340A1 (en) * 2012-03-07 2013-09-12 Paul Sapan Flavored Function Specific Toothpicks
MX2021009207A (es) * 2019-01-31 2021-11-17 Organofuel Sweden Ab Un proceso para la produccion de productos de madera oxidada.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2457338A1 (fr) * 1979-05-25 1980-12-19 Interox Procede pour la protection des matieres cellulosiques au cours de leurs traitements par des solutions alcalines

Also Published As

Publication number Publication date
DE2109542C3 (de) 1974-06-12
FI55531B (fi) 1979-04-30
ZA711271B (en) 1971-11-24
AT311169B (de) 1973-11-12
NO133594C (de) 1976-05-26
US3701712A (en) 1972-10-31
DE2109542B2 (de) 1973-11-08
BR7101287D0 (pt) 1973-06-07
DE2109542A1 (de) 1971-09-16
FI55531C (fi) 1979-08-10
SE353749B (de) 1973-02-12
JPS5022601B1 (de) 1975-08-01
NO133594B (de) 1976-02-16

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Legal Events

Date Code Title Description
ST Notification of lapse