BR6913718D0 - Processo para tratar materiais celulosicos - Google Patents

Processo para tratar materiais celulosicos

Info

Publication number
BR6913718D0
BR6913718D0 BR213718/69A BR21371869A BR6913718D0 BR 6913718 D0 BR6913718 D0 BR 6913718D0 BR 213718/69 A BR213718/69 A BR 213718/69A BR 21371869 A BR21371869 A BR 21371869A BR 6913718 D0 BR6913718 D0 BR 6913718D0
Authority
BR
Brazil
Prior art keywords
cellulosic materials
treating cellulosic
treating
materials
cellulosic
Prior art date
Application number
BR213718/69A
Other languages
English (en)
Inventor
S Moreus
H Samuelson
Original Assignee
Mo Och Domsjoe 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 Domsjoe Ab filed Critical Mo Och Domsjoe Ab
Publication of BR6913718D0 publication Critical patent/BR6913718D0/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
    • D21C9/1026—Other features in bleaching processes
    • D21C9/1036—Use of compounds accelerating or improving the efficiency of the processes

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
BR213718/69A 1968-10-29 1969-10-29 Processo para tratar materiais celulosicos BR6913718D0 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE14638/68A SE314581B (pt) 1968-10-29 1968-10-29

Publications (1)

Publication Number Publication Date
BR6913718D0 true BR6913718D0 (pt) 1973-05-03

Family

ID=20299423

Family Applications (1)

Application Number Title Priority Date Filing Date
BR213718/69A BR6913718D0 (pt) 1968-10-29 1969-10-29 Processo para tratar materiais celulosicos

Country Status (7)

Country Link
US (1) US3652386A (pt)
AT (1) AT297476B (pt)
BR (1) BR6913718D0 (pt)
FI (1) FI50643C (pt)
FR (1) FR2021828A1 (pt)
NO (1) NO124320B (pt)
SE (1) SE314581B (pt)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE355614B (pt) * 1970-05-13 1973-04-30 Mo Och Domsjoe Ab
US3975232A (en) * 1973-11-19 1976-08-17 Westvaco Corporation Three stage process for pulping lignocellulosic materials including a cyanide ion containing first stage
JPS5138508A (en) * 1974-09-25 1976-03-31 Harusuke Hayashi Parupuno sansosankaseisei niokeru hogozai
US4338158A (en) * 1976-04-09 1982-07-06 Weyerhaeuser Company Pulping in the presence of a protector
US4288288A (en) * 1979-06-15 1981-09-08 Weyerhaeuser Company Apparatus for mixing chemicals into pulp at a refiner inlet
US4715931A (en) * 1987-03-24 1987-12-29 Betz Laboratories, Inc. Process for inhibiting aluminum hydroxide deposition in papermaking felts
SE502667C2 (sv) * 1993-07-12 1995-12-04 Kvaerner Pulping Tech Behandling av fibermaterial med komplexbildare före kokning
EP0647466A3 (de) * 1993-10-08 1996-01-17 Akzo Nobel Nv Cellulosische Membranen.
DE69503238D1 (de) * 1994-04-28 1998-08-06 Mac Millan Bloedel Ltd Bleichen von zellstoff mittels sauerstoff
US6471727B2 (en) 1996-08-23 2002-10-29 Weyerhaeuser Company Lyocell fibers, and compositions for making the same
US6331354B1 (en) * 1996-08-23 2001-12-18 Weyerhaeuser Company Alkaline pulp having low average degree of polymerization values and method of producing the same
US6306334B1 (en) 1996-08-23 2001-10-23 The Weyerhaeuser Company Process for melt blowing continuous lyocell fibers
EP1409130B1 (en) * 2001-07-17 2004-11-10 Zhi-Wei Liang Oxidative thermochemical drying process for changing hydrophilic/hydrophobic characteristics of natural organic substances
JP2012028026A (ja) * 2010-07-20 2012-02-09 Nippon Chem Ind Co Ltd リチウム二次電池用負極活物質及びその製造方法
FI125891B (en) * 2014-08-14 2016-03-31 Scitech Service Oy Process for the treatment of cellulose and alkali solutions obtained from the treatment of cellulose
CN106108104A (zh) * 2015-12-18 2016-11-16 广东中烟工业有限责任公司 一种降低烟梗中木质素含量的处理方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB681994A (en) * 1949-05-31 1952-11-05 British Celanese Improvements in or relating to the production of cellulose
US2811518A (en) * 1955-06-07 1957-10-29 Rayonier Inc Alkaline refining of wood pulp
US3088861A (en) * 1960-08-03 1963-05-07 Weyerhaeuser Co Method of manufacturing chemical pulp from lignocellulose material
FR1387853A (fr) * 1963-09-19 1965-02-05 Air Liquide Délignification et blanchiment des pâtes cellulosiques chimiques et mi-chimiques

Also Published As

Publication number Publication date
AT297476B (de) 1972-03-27
FR2021828A1 (pt) 1970-07-24
SE314581B (pt) 1969-09-08
FI50643B (pt) 1976-02-02
DE1954267B2 (de) 1973-06-28
US3652386A (en) 1972-03-28
DE1954267A1 (de) 1970-06-25
NO124320B (pt) 1972-04-04
FI50643C (fi) 1976-05-10

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