AU4038293A - Process for the recovery of processing chemicals from the black liquor in the production of cellulose by organo-solvent processes - Google Patents

Process for the recovery of processing chemicals from the black liquor in the production of cellulose by organo-solvent processes

Info

Publication number
AU4038293A
AU4038293A AU40382/93A AU4038293A AU4038293A AU 4038293 A AU4038293 A AU 4038293A AU 40382/93 A AU40382/93 A AU 40382/93A AU 4038293 A AU4038293 A AU 4038293A AU 4038293 A AU4038293 A AU 4038293A
Authority
AU
Australia
Prior art keywords
organo
cellulose
recovery
production
black liquor
Prior art date
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.)
Abandoned
Application number
AU40382/93A
Inventor
Frank Doppenberg
Otto W Gordon
Eric Plattner
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.)
Granit SA
Original Assignee
Granit SA
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 Granit SA filed Critical Granit SA
Publication of AU4038293A publication Critical patent/AU4038293A/en
Abandoned legal-status Critical Current

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
    • 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
    • D21C11/0057—Oxidation of liquors, e.g. in order to reduce the losses of sulfur compounds, followed by evaporation or combustion if the liquor in question is a black liquor
AU40382/93A 1992-05-05 1993-04-30 Process for the recovery of processing chemicals from the black liquor in the production of cellulose by organo-solvent processes Abandoned AU4038293A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH1435/92 1992-05-05
CH143592A CH687393A5 (en) 1992-05-05 1992-05-05 Kochchemikalienrueckgewinnungsverfahren from the black liquor from pulp production.

Publications (1)

Publication Number Publication Date
AU4038293A true AU4038293A (en) 1993-11-29

Family

ID=4210403

Family Applications (1)

Application Number Title Priority Date Filing Date
AU40382/93A Abandoned AU4038293A (en) 1992-05-05 1993-04-30 Process for the recovery of processing chemicals from the black liquor in the production of cellulose by organo-solvent processes

Country Status (5)

Country Link
EP (1) EP0593744B1 (en)
AU (1) AU4038293A (en)
CH (1) CH687393A5 (en)
DE (1) DE59309242D1 (en)
WO (1) WO1993022490A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI95159C (en) * 1994-02-11 1995-12-27 Valtion Teknillinen Method and apparatus for separating cellulosic fibers from lignin
US5565616A (en) * 1994-05-09 1996-10-15 Board Of Regents, The University Of Texas System Controlled hydrothermal processing
US5578647A (en) * 1994-12-20 1996-11-26 Board Of Regents, The University Of Texas System Method of producing off-gas having a selected ratio of carbon monoxide to hydrogen
FI123086B (en) 2011-02-28 2012-10-31 Aalto Korkeakoulusaeaetioe A method for recovering chemicals

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CA1267648A (en) * 1985-11-05 1990-04-10 Raphael Katzen Process for lignin recovery

Also Published As

Publication number Publication date
WO1993022490A1 (en) 1993-11-11
EP0593744A1 (en) 1994-04-27
DE59309242D1 (en) 1999-02-04
EP0593744B1 (en) 1998-12-23
CH687393A5 (en) 1996-11-29

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