ATE172763T1 - Verfahren zur verminderung der kontamination der cellulosischen ablauge - Google Patents
Verfahren zur verminderung der kontamination der cellulosischen ablaugeInfo
- Publication number
- ATE172763T1 ATE172763T1 AT95937936T AT95937936T ATE172763T1 AT E172763 T1 ATE172763 T1 AT E172763T1 AT 95937936 T AT95937936 T AT 95937936T AT 95937936 T AT95937936 T AT 95937936T AT E172763 T1 ATE172763 T1 AT E172763T1
- Authority
- AT
- Austria
- Prior art keywords
- cellulosic waste
- waste contamination
- reducing cellulosic
- reducing
- stickies
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
-
- 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
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/08—Removal of fats, resins, pitch or waxes; Chemical or physical purification, i.e. refining, of crude cellulose by removing non-cellulosic contaminants, optionally combined with bleaching
- D21C9/086—Removal of fats, resins, pitch or waxes; Chemical or physical purification, i.e. refining, of crude cellulose by removing non-cellulosic contaminants, optionally combined with bleaching with organic compounds or compositions comprising organic compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
- C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
- C08F220/1808—C8-(meth)acrylate, e.g. isooctyl (meth)acrylate or 2-ethylhexyl (meth)acrylate
-
- 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
- Y10S162/00—Paper making and fiber liberation
- Y10S162/04—Pitch control
-
- 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
- Y10S210/00—Liquid purification or separation
- Y10S210/928—Paper mill waste, e.g. white water, black liquor treated
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Wood Science & Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Paper (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Distillation Of Fermentation Liquor, Processing Of Alcohols, Vinegar And Beer (AREA)
- Soy Sauces And Products Related Thereto (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Laminated Bodies (AREA)
- Reinforced Plastic Materials (AREA)
- Detergent Compositions (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9423452A GB9423452D0 (en) | 1994-11-21 | 1994-11-21 | Processes for reducing contamination of cellulosic liquors |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE172763T1 true ATE172763T1 (de) | 1998-11-15 |
Family
ID=10764732
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT95937936T ATE172763T1 (de) | 1994-11-21 | 1995-11-16 | Verfahren zur verminderung der kontamination der cellulosischen ablauge |
Country Status (19)
Country | Link |
---|---|
US (1) | US5744043A (de) |
EP (1) | EP0793749B1 (de) |
JP (1) | JP3766099B2 (de) |
KR (1) | KR100403213B1 (de) |
AT (1) | ATE172763T1 (de) |
AU (1) | AU705606B2 (de) |
BR (1) | BR9509738A (de) |
CA (1) | CA2206897C (de) |
DE (1) | DE69505696T2 (de) |
DK (1) | DK0793749T3 (de) |
ES (1) | ES2124027T3 (de) |
FI (1) | FI113188B (de) |
GB (1) | GB9423452D0 (de) |
IL (1) | IL116036A (de) |
NO (1) | NO321657B1 (de) |
NZ (1) | NZ295422A (de) |
TW (1) | TW417000B (de) |
WO (1) | WO1996016224A1 (de) |
ZA (1) | ZA959830B (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9423454D0 (en) * | 1994-11-21 | 1995-01-11 | Allied Colloids Ltd | Deinking processes and novel polymers for use in these |
US6425982B1 (en) | 2001-03-06 | 2002-07-30 | Voith Paper, Inc. | System for removing bleed-throughs from old corrugated container fiber pulp |
US6589389B2 (en) | 2001-09-26 | 2003-07-08 | Voith Paper, Inc. | Test method for determining bleed-throughs in old corrugated container fiber pulp |
EP2148001B1 (de) * | 2008-07-23 | 2016-02-24 | Solenis Technologies Cayman, L.P. | Verfahren zum Aufschliessen von cellulosehaltigem Material im Gegenwart von einem kationischen Polymer |
US8784606B2 (en) | 2009-08-03 | 2014-07-22 | Clariant Finance (Bvi) Limited | Method for reducing negative effects of adhesive contaminants in systems of substances comprising waste paper |
CN103074793B (zh) * | 2013-01-22 | 2015-04-22 | 陕西科技大学 | 一种置换蒸煮方法 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3992249A (en) * | 1974-04-08 | 1976-11-16 | American Cyanamid Company | Control of pulp-paper mill pitch deposits |
AU563372B2 (en) * | 1982-12-16 | 1987-07-09 | Celanese Corporation | Crosslinked microgel particles |
EP0202780B2 (de) * | 1985-04-25 | 1998-12-09 | Ciba Specialty Chemicals Water Treatments Limited | Flockungsverfahren |
US4968435A (en) * | 1988-12-19 | 1990-11-06 | American Cyanamid Company | Cross-linked cationic polymeric microparticles |
US5132023A (en) * | 1988-12-19 | 1992-07-21 | American Cyanamid Company | Emulsified mannich acrylamide polymers |
CA2040337C (en) * | 1990-06-22 | 2003-10-14 | Carol S. Greer | Process for control of pitch deposition from pulps in papermarking systems |
US5139616A (en) * | 1991-05-29 | 1992-08-18 | Betz Paperchem, Inc. | Reduction of stickers contamination in papermaking process using recycled paper |
US5433824A (en) * | 1993-02-26 | 1995-07-18 | Calgon Corporation | Melamine-formaldehyde polymer for controlling stickies |
US5266166A (en) * | 1992-05-18 | 1993-11-30 | Betz Paperchem, Inc. | Methods for controlling the deposition of organic contaminants in pulp and papermaking processes using a polyalkylene oxide/vinyl acetate graft copolymer |
US5435922A (en) * | 1993-06-14 | 1995-07-25 | Nalco Chemical Company | Method of removing color from waste water using an aqueous dispersion polymer |
US5431783A (en) * | 1993-07-19 | 1995-07-11 | Cytec Technology Corp. | Compositions and methods for improving performance during separation of solids from liquid particulate dispersions |
US5380444A (en) * | 1994-02-23 | 1995-01-10 | Cytec Technology Corp. | Ampholytic polymers and polymeric microemulsions |
-
1994
- 1994-11-21 GB GB9423452A patent/GB9423452D0/en active Pending
-
1995
- 1995-11-16 AU AU38758/95A patent/AU705606B2/en not_active Ceased
- 1995-11-16 AT AT95937936T patent/ATE172763T1/de not_active IP Right Cessation
- 1995-11-16 ES ES95937936T patent/ES2124027T3/es not_active Expired - Lifetime
- 1995-11-16 IL IL11603695A patent/IL116036A/xx active IP Right Grant
- 1995-11-16 DE DE69505696T patent/DE69505696T2/de not_active Expired - Fee Related
- 1995-11-16 WO PCT/GB1995/002696 patent/WO1996016224A1/en active IP Right Grant
- 1995-11-16 DK DK95937936T patent/DK0793749T3/da active
- 1995-11-16 BR BR9509738A patent/BR9509738A/pt not_active IP Right Cessation
- 1995-11-16 JP JP51665996A patent/JP3766099B2/ja not_active Expired - Fee Related
- 1995-11-16 EP EP95937936A patent/EP0793749B1/de not_active Expired - Lifetime
- 1995-11-16 NZ NZ295422A patent/NZ295422A/xx unknown
- 1995-11-16 CA CA002206897A patent/CA2206897C/en not_active Expired - Fee Related
- 1995-11-20 ZA ZA959830A patent/ZA959830B/xx unknown
- 1995-11-21 KR KR1019950042425A patent/KR100403213B1/ko not_active IP Right Cessation
- 1995-12-07 TW TW084113060A patent/TW417000B/zh active
-
1996
- 1996-07-22 US US08/684,054 patent/US5744043A/en not_active Expired - Fee Related
-
1997
- 1997-05-21 NO NO19972329A patent/NO321657B1/no unknown
- 1997-05-21 FI FI972162A patent/FI113188B/fi not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
TW417000B (en) | 2001-01-01 |
IL116036A0 (en) | 1996-01-31 |
EP0793749A1 (de) | 1997-09-10 |
KR100403213B1 (ko) | 2003-12-31 |
AU705606B2 (en) | 1999-05-27 |
NO972329D0 (no) | 1997-05-21 |
NO972329L (no) | 1997-07-18 |
IL116036A (en) | 1999-09-22 |
MX9703794A (es) | 1998-05-31 |
FI113188B (fi) | 2004-03-15 |
FI972162A (fi) | 1997-07-18 |
DE69505696D1 (de) | 1998-12-03 |
WO1996016224A1 (en) | 1996-05-30 |
DK0793749T3 (da) | 1999-07-12 |
KR960017537A (ko) | 1996-06-17 |
CA2206897A1 (en) | 1996-05-30 |
GB9423452D0 (en) | 1995-01-11 |
BR9509738A (pt) | 1997-10-21 |
JP3766099B2 (ja) | 2006-04-12 |
NZ295422A (en) | 1999-02-25 |
CA2206897C (en) | 2005-01-11 |
DE69505696T2 (de) | 1999-03-18 |
NO321657B1 (no) | 2006-06-19 |
FI972162A0 (fi) | 1997-05-21 |
ES2124027T3 (es) | 1999-01-16 |
AU3875895A (en) | 1996-06-17 |
EP0793749B1 (de) | 1998-10-28 |
US5744043A (en) | 1998-04-28 |
ZA959830B (en) | 1996-11-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
UEP | Publication of translation of european patent specification | ||
REN | Ceased due to non-payment of the annual fee |