PL220500A1 - - Google Patents

Info

Publication number
PL220500A1
PL220500A1 PL22050079A PL22050079A PL220500A1 PL 220500 A1 PL220500 A1 PL 220500A1 PL 22050079 A PL22050079 A PL 22050079A PL 22050079 A PL22050079 A PL 22050079A PL 220500 A1 PL220500 A1 PL 220500A1
Authority
PL
Poland
Prior art keywords
reactor
fibre material
plant fibre
organic solvent
conducted
Prior art date
Application number
PL22050079A
Original Assignee
Nicolaus Md 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6057775&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=PL220500(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Nicolaus Md Papier filed Critical Nicolaus Md Papier
Publication of PL220500A1 publication Critical patent/PL220500A1/xx

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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/20—Pulping cellulose-containing materials with organic solvents or in solvent environment

Landscapes

  • Paper (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Formation And Processing Of Food Products (AREA)
  • General Preparation And Processing Of Foods (AREA)

Abstract

1. A process for the continuous digestion of plant fibre material, wherein the plant fibre material is treated countercurrently with an organic solvent and wherein the plant fibre material is introduced at the top of a reactor by means of an in-feeding device, is conducted by the latter in a downward direction and cellulose is produced at the bottom of the reactor, organic solvent is conducted upwardly in countercurrent to the plant fibre material and is withdrawn at the top of the reactor, and the laden extraction liquor is separated into its essential components of lignin, hemicellulose and solvent, characterized in that the plant fibre material is impregnated in an impregnating device with organic solvent, the impregnated plant fibre material is positively conducted downwardly through the reactor, organic solvent at a temperature of between 130 and 210 degrees C is introduced as an extraction liquor into the centre of the reactor and at the bottom of the reactor water is fed in as a wash liquor, conducted upwardly in countercurrent to the plant fibre material and is withdrawn at the centre of the reactor.
PL22050079A 1978-12-20 1979-12-18 PL220500A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19782855052 DE2855052A1 (en) 1978-12-20 1978-12-20 METHOD AND DEVICE FOR CONTINUOUSLY UNLOCKING PLANT FIBER MATERIAL

Publications (1)

Publication Number Publication Date
PL220500A1 true PL220500A1 (en) 1980-12-01

Family

ID=6057775

Family Applications (1)

Application Number Title Priority Date Filing Date
PL22050079A PL220500A1 (en) 1978-12-20 1979-12-18

Country Status (7)

Country Link
EP (1) EP0012960B1 (en)
AT (1) ATE1914T1 (en)
BR (1) BR7908189A (en)
CA (1) CA1111694A (en)
DE (2) DE2855052A1 (en)
FI (1) FI69130C (en)
PL (1) PL220500A1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT373303B (en) * 1981-08-06 1984-01-10 Chemiefaser Lenzing Ag METHOD FOR THE PRODUCTION OF LOW-LEVEL CELLS
AT373932B (en) * 1981-11-12 1984-03-12 Chemiefaser Lenzing Ag METHOD FOR RECONSTRUCTING USED DIGESTIVE FLUID FLOWING GEAR, AND PLANTS FOR IMPLEMENTING THIS METHOD
DE3212767A1 (en) * 1982-04-06 1983-10-06 Nicolaus Md Verwaltungsges METHOD AND REACTOR FOR CONTINUOUSLY UNLOCKING PLANT FIBER MATERIAL
DE3339449A1 (en) * 1983-10-31 1985-05-09 MD Verwaltungsgesellschaft Nicolaus GmbH & Co. KG, 8000 München METHOD FOR OBTAINING LIGNINE FROM ALKALINE LIGNINE SOLUTIONS
US5788812A (en) * 1985-11-05 1998-08-04 Agar; Richard C. Method of recovering furfural from organic pulping liquor
AT385061B (en) * 1985-11-29 1988-02-10 Neusiedler Ag METHOD FOR OBTAINING CELL FABRIC FROM PLANT FIBER MATERIAL
DE4103572C2 (en) * 1991-02-06 1995-11-23 Organocell Ges Fuer Zellstoff Process for delignifying plant fiber material
DE69816478T2 (en) * 1997-09-15 2004-05-27 Melville, Gordon Brown METHOD FOR PRODUCING CELLULAR
MY137982A (en) * 1999-08-11 2009-04-30 Startech Internat Group Ltd Integrated process for treating oil palm biomass wastes
DE102009051884A1 (en) * 2009-11-04 2011-05-05 Blue Globe Energy Gmbh Processing a biomass comprises separating the biomass into a lignin fraction and (hemi)cellulose fraction, processing the (hemi)cellulose fraction, and converting the lignin fraction into an organo-mineral fertilizer

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE532741C (en) * 1929-11-02 1931-09-08 Kurt Von Tayenthal Dr Ing Process for the digestion of vegetable fibers
GB945957A (en) * 1960-02-08 1964-01-08 Ass Pulp & Paper Mills Continuous pulping process
US3585104A (en) * 1968-07-29 1971-06-15 Theodor N Kleinert Organosolv pulping and recovery process
DE2644155C2 (en) * 1976-09-30 1978-07-27 Theodor N. Dr. Pointe Claire Quebec Kleinert (Kanada) Continuous digestion and recovery process for vegetable fiber raw materials for the production of cellulose in organic solvents
CA1131415A (en) * 1978-11-27 1982-09-14 Bau- Und Forschungsgesellschaft Thermoform A.G. Pulping of lignocellulose with aqueous methanol/ catalyst mixture

Also Published As

Publication number Publication date
BR7908189A (en) 1980-07-22
ATE1914T1 (en) 1982-12-15
DE2855052A1 (en) 1980-06-26
EP0012960B1 (en) 1982-12-01
CA1111694A (en) 1981-11-03
FI793985A7 (en) 1980-06-21
DE2964181D1 (en) 1983-01-05
FI69130B (en) 1985-08-30
FI69130C (en) 1985-12-10
EP0012960A1 (en) 1980-07-09

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