ATE176017T1 - Schwarzlauge mit hohem feststoffgehalt und verringerter viskosität, verfahren zur verringerung der viskosität einer schwarzlauge mit hohem feststoffgehalt - Google Patents
Schwarzlauge mit hohem feststoffgehalt und verringerter viskosität, verfahren zur verringerung der viskosität einer schwarzlauge mit hohem feststoffgehaltInfo
- Publication number
- ATE176017T1 ATE176017T1 AT96905645T AT96905645T ATE176017T1 AT E176017 T1 ATE176017 T1 AT E176017T1 AT 96905645 T AT96905645 T AT 96905645T AT 96905645 T AT96905645 T AT 96905645T AT E176017 T1 ATE176017 T1 AT E176017T1
- Authority
- AT
- Austria
- Prior art keywords
- high solids
- viscosity
- black lye
- solids black
- reducing
- Prior art date
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
- D21C11/00—Regeneration of pulp liquors or effluent waste waters
- D21C11/10—Concentrating spent liquor by evaporation
-
- 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
- D21C11/0085—Introduction of auxiliary substances into the regenerating system in order to improve the performance of certain steps of the latter, the presence of these substances being confined to the regeneration cycle
-
- 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
- D21C11/12—Combustion of pulp liquors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S159/00—Concentrating evaporators
- Y10S159/17—Two liquids
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S423/00—Chemistry of inorganic compounds
- Y10S423/03—Papermaking liquor
Landscapes
- Paper (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Distillation Of Fermentation Liquor, Processing Of Alcohols, Vinegar And Beer (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/407,619 US5527427A (en) | 1995-03-21 | 1995-03-21 | High solids black liquor of reduced viscosity and viscosity reduction method for high solids black liquor |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE176017T1 true ATE176017T1 (de) | 1999-02-15 |
Family
ID=23612820
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT96905645T ATE176017T1 (de) | 1995-03-21 | 1996-03-20 | Schwarzlauge mit hohem feststoffgehalt und verringerter viskosität, verfahren zur verringerung der viskosität einer schwarzlauge mit hohem feststoffgehalt |
Country Status (9)
Country | Link |
---|---|
US (1) | US5527427A (de) |
EP (1) | EP0815316B1 (de) |
JP (1) | JPH11502268A (de) |
AT (1) | ATE176017T1 (de) |
AU (1) | AU4935796A (de) |
BR (1) | BR9607987A (de) |
CA (1) | CA2210750A1 (de) |
DE (1) | DE69601420D1 (de) |
WO (1) | WO1996029466A1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20030070627A1 (en) * | 2001-09-20 | 2003-04-17 | Eugene Sullivan | Direct contact evaporator replacement |
US20070131363A1 (en) * | 2005-10-24 | 2007-06-14 | Andritz Inc. | Fiberline systems, processes and methods |
JP5934854B2 (ja) * | 2012-07-23 | 2016-06-15 | サンノプコ株式会社 | 減粘剤及びこれを用いた黒液濃縮方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4787915A (en) * | 1981-03-24 | 1988-11-29 | Carbon Fuels Corporation | Method of varying rheology characteristics of novel coal derived fuel system |
JPS59228094A (ja) * | 1983-06-09 | 1984-12-21 | 栗田工業株式会社 | 黒液の粘度低下剤 |
DE3509712A1 (de) * | 1985-03-18 | 1986-10-02 | Chemische Werke Zell-Wildshausen Gmbh | Verfahren zur verringerung der viskositaet von ablaugen aus einem zellstoffaufschlussverfahren oder von ligninsulfonaten |
US4734103A (en) * | 1987-07-22 | 1988-03-29 | Nalco Chemical Company | Viscosity/drag reducing additive for high solids black liquor |
US4776889A (en) * | 1987-11-05 | 1988-10-11 | Nalco Chemical Company | Waxes as a black liquor viscosity modifier |
GB2237751B (en) * | 1989-11-03 | 1993-09-15 | Ahlstroem Oy | Method of decreasing black liquor viscosity |
FI87092C (fi) * | 1990-11-07 | 1992-11-25 | Ahlstroem Oy | Foerfarande foer behandling av svartlut |
-
1995
- 1995-03-21 US US08/407,619 patent/US5527427A/en not_active Expired - Fee Related
-
1996
- 1996-03-20 EP EP96905645A patent/EP0815316B1/de not_active Expired - Lifetime
- 1996-03-20 AT AT96905645T patent/ATE176017T1/de not_active IP Right Cessation
- 1996-03-20 AU AU49357/96A patent/AU4935796A/en not_active Abandoned
- 1996-03-20 JP JP8527936A patent/JPH11502268A/ja active Pending
- 1996-03-20 DE DE69601420T patent/DE69601420D1/de not_active Expired - Lifetime
- 1996-03-20 WO PCT/CA1996/000173 patent/WO1996029466A1/en active IP Right Grant
- 1996-03-20 CA CA002210750A patent/CA2210750A1/en not_active Abandoned
- 1996-03-20 BR BR9607987A patent/BR9607987A/pt not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
WO1996029466A1 (en) | 1996-09-26 |
JPH11502268A (ja) | 1999-02-23 |
DE69601420D1 (de) | 1999-03-04 |
US5527427A (en) | 1996-06-18 |
EP0815316A1 (de) | 1998-01-07 |
CA2210750A1 (en) | 1996-09-26 |
AU4935796A (en) | 1996-10-08 |
BR9607987A (pt) | 1999-03-30 |
EP0815316B1 (de) | 1999-01-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |