ATA251891A - METHOD FOR PRODUCING CELLULAR - Google Patents

METHOD FOR PRODUCING CELLULAR

Info

Publication number
ATA251891A
ATA251891A AT251891A AT251891A ATA251891A AT A251891 A ATA251891 A AT A251891A AT 251891 A AT251891 A AT 251891A AT 251891 A AT251891 A AT 251891A AT A251891 A ATA251891 A AT A251891A
Authority
AT
Austria
Prior art keywords
producing cellular
cellular
producing
Prior art date
Application number
AT251891A
Other languages
German (de)
Other versions
AT398589B (en
Inventor
Kurt Dr Messner
Gerald Dr Techt
Sabrina Dr Masek
Ewald Dr Srebotnik
Original Assignee
Leykam Muerztaler Papier
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 Leykam Muerztaler Papier filed Critical Leykam Muerztaler Papier
Priority to AT251891A priority Critical patent/AT398589B/en
Publication of ATA251891A publication Critical patent/ATA251891A/en
Application granted granted Critical
Publication of AT398589B publication Critical patent/AT398589B/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
    • D21C1/00—Pretreatment of the finely-divided materials before digesting
    • 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
    • D21C3/04—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides
    • D21C3/06—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides sulfur dioxide; sulfurous acid; bisulfites sulfites
    • 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
    • D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
    • D21C5/005—Treatment of cellulose-containing material with microorganisms or enzymes

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Biochemistry (AREA)
  • Microbiology (AREA)
  • Paper (AREA)
AT251891A 1991-12-19 1991-12-19 Process for producing chemical pulp AT398589B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT251891A AT398589B (en) 1991-12-19 1991-12-19 Process for producing chemical pulp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT251891A AT398589B (en) 1991-12-19 1991-12-19 Process for producing chemical pulp

Publications (2)

Publication Number Publication Date
ATA251891A true ATA251891A (en) 1994-05-15
AT398589B AT398589B (en) 1994-12-27

Family

ID=3535721

Family Applications (1)

Application Number Title Priority Date Filing Date
AT251891A AT398589B (en) 1991-12-19 1991-12-19 Process for producing chemical pulp

Country Status (1)

Country Link
AT (1) AT398589B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5472874A (en) * 1994-05-20 1995-12-05 Sandoz Ltd. Pitch degradation with white rot fungus
AU7216096A (en) * 1995-09-29 1997-04-28 Clariant Finance (Bvi) Limited Method for improving the efficiency of chemical pulping processes by pretreating wood or pulpwood with white rot fungi
DE10126347A1 (en) * 2001-05-30 2002-12-05 Voith Paper Patent Gmbh Production of paper/cardboard fibers uses a biological process stage for the wood chips, using a fungus action to give cellulose, which is processed by chemical precipitation reaction and augmented with additives
PT2488694T (en) 2009-10-16 2016-07-15 Fibria Celulose Sa Process for producing differentiated cellulose fibers comprising an enzymatic treatment in association with an acid step
CN108049229B (en) * 2017-12-08 2019-04-19 齐鲁工业大学 A kind of environment-protecting clean pulping process

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE411463B (en) * 1973-04-16 1979-12-27 Svenska Traeforskningsinst PROCEDURE FOR THE PREPARATION OF CELLULOSA MASS BY MICRO-ORGANISMS
US5055159A (en) * 1990-05-16 1991-10-08 Wisconsin Alumni Research Foundation Biomechanical pulping with C. subvermispora

Also Published As

Publication number Publication date
AT398589B (en) 1994-12-27

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Legal Events

Date Code Title Description
EIH Change in the person of patent owner
EFA Change in the company name
EIH Change in the person of patent owner
ELV Ceased due to renunciation