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 processesInfo
- 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
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
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)
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)
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 |
-
1992
- 1992-05-05 CH CH143592A patent/CH687393A5/en not_active IP Right Cessation
-
1993
- 1993-04-30 EP EP93911419A patent/EP0593744B1/en not_active Expired - Lifetime
- 1993-04-30 WO PCT/CH1993/000109 patent/WO1993022490A1/en active IP Right Grant
- 1993-04-30 DE DE59309242T patent/DE59309242D1/en not_active Expired - Fee Related
- 1993-04-30 AU AU40382/93A patent/AU4038293A/en not_active Abandoned
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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