FI113188B - Menetelmiä selluloosaprosessin lipeiden kontaminaation vähentämiseksi - Google Patents
Menetelmiä selluloosaprosessin lipeiden kontaminaation vähentämiseksi Download PDFInfo
- Publication number
- FI113188B FI113188B FI972162A FI972162A FI113188B FI 113188 B FI113188 B FI 113188B FI 972162 A FI972162 A FI 972162A FI 972162 A FI972162 A FI 972162A FI 113188 B FI113188 B FI 113188B
- Authority
- FI
- Finland
- Prior art keywords
- monomer
- water
- polymer
- process according
- emulsion
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 54
- 230000008569 process Effects 0.000 title claims description 47
- 229920002678 cellulose Polymers 0.000 title claims description 9
- 239000001913 cellulose Substances 0.000 title claims description 9
- 238000011109 contamination Methods 0.000 title claims description 9
- 229920000642 polymer Polymers 0.000 claims abstract description 64
- 239000002245 particle Substances 0.000 claims abstract description 54
- 239000000839 emulsion Substances 0.000 claims abstract description 31
- 239000000463 material Substances 0.000 claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 26
- 238000004537 pulping Methods 0.000 claims abstract description 6
- 239000000178 monomer Substances 0.000 claims description 85
- 239000000203 mixture Substances 0.000 claims description 28
- 239000000701 coagulant Substances 0.000 claims description 23
- 125000002091 cationic group Chemical group 0.000 claims description 22
- 230000002209 hydrophobic effect Effects 0.000 claims description 13
- 239000003431 cross linking reagent Substances 0.000 claims description 9
- 238000005188 flotation Methods 0.000 claims description 7
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 6
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 6
- 125000000129 anionic group Chemical group 0.000 claims description 6
- 150000001252 acrylic acid derivatives Chemical class 0.000 claims description 5
- 125000000217 alkyl group Chemical group 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 5
- 150000003839 salts Chemical class 0.000 claims description 5
- 238000005406 washing Methods 0.000 claims description 5
- 150000001412 amines Chemical class 0.000 claims description 4
- 238000004062 sedimentation Methods 0.000 claims description 4
- 239000002253 acid Substances 0.000 claims description 3
- GQOKIYDTHHZSCJ-UHFFFAOYSA-M dimethyl-bis(prop-2-enyl)azanium;chloride Chemical compound [Cl-].C=CC[N+](C)(C)CC=C GQOKIYDTHHZSCJ-UHFFFAOYSA-M 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 229920002873 Polyethylenimine Polymers 0.000 claims description 2
- QYKIQEUNHZKYBP-UHFFFAOYSA-N Vinyl ether Chemical class C=COC=C QYKIQEUNHZKYBP-UHFFFAOYSA-N 0.000 claims description 2
- 150000008360 acrylonitriles Chemical class 0.000 claims description 2
- 150000001735 carboxylic acids Chemical class 0.000 claims description 2
- 229920001577 copolymer Polymers 0.000 claims description 2
- 125000002768 hydroxyalkyl group Chemical group 0.000 claims description 2
- 229920000768 polyamine Polymers 0.000 claims description 2
- 229920001567 vinyl ester resin Polymers 0.000 claims description 2
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 2
- 238000004042 decolorization Methods 0.000 claims 2
- 239000003513 alkali Substances 0.000 claims 1
- 239000007864 aqueous solution Substances 0.000 claims 1
- 239000002761 deinking Substances 0.000 abstract description 9
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Inorganic materials [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 37
- 238000006116 polymerization reaction Methods 0.000 description 15
- 239000000835 fiber Substances 0.000 description 12
- 229920001131 Pulp (paper) Polymers 0.000 description 9
- 238000007720 emulsion polymerization reaction Methods 0.000 description 9
- 239000004971 Cross linker Substances 0.000 description 7
- 238000004132 cross linking Methods 0.000 description 7
- 239000000243 solution Substances 0.000 description 6
- 239000004641 Diallyl-phthalate Substances 0.000 description 5
- 229940048053 acrylate Drugs 0.000 description 5
- -1 allyl ethers Chemical class 0.000 description 5
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 description 5
- QUDWYFHPNIMBFC-UHFFFAOYSA-N bis(prop-2-enyl) benzene-1,2-dicarboxylate Chemical compound C=CCOC(=O)C1=CC=CC=C1C(=O)OCC=C QUDWYFHPNIMBFC-UHFFFAOYSA-N 0.000 description 5
- 239000000706 filtrate Substances 0.000 description 5
- 238000001914 filtration Methods 0.000 description 5
- 239000007764 o/w emulsion Substances 0.000 description 5
- 230000008961 swelling Effects 0.000 description 5
- 238000011282 treatment Methods 0.000 description 5
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 4
- 230000002378 acidificating effect Effects 0.000 description 4
- 239000003995 emulsifying agent Substances 0.000 description 4
- 239000008346 aqueous phase Substances 0.000 description 3
- 239000000440 bentonite Substances 0.000 description 3
- 229910000278 bentonite Inorganic materials 0.000 description 3
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 3
- 125000004985 dialkyl amino alkyl group Chemical group 0.000 description 3
- 239000000945 filler Substances 0.000 description 3
- 239000011236 particulate material Substances 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- MYRTYDVEIRVNKP-UHFFFAOYSA-N 1,2-Divinylbenzene Chemical compound C=CC1=CC=CC=C1C=C MYRTYDVEIRVNKP-UHFFFAOYSA-N 0.000 description 2
- 229920003043 Cellulose fiber Polymers 0.000 description 2
- JIGUQPWFLRLWPJ-UHFFFAOYSA-N Ethyl acrylate Chemical compound CCOC(=O)C=C JIGUQPWFLRLWPJ-UHFFFAOYSA-N 0.000 description 2
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 2
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- 229910001870 ammonium persulfate Inorganic materials 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 150000002191 fatty alcohols Chemical class 0.000 description 2
- 238000005227 gel permeation chromatography Methods 0.000 description 2
- 238000009533 lab test Methods 0.000 description 2
- 238000002356 laser light scattering Methods 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 239000000123 paper Substances 0.000 description 2
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 238000005201 scrubbing Methods 0.000 description 2
- 239000004094 surface-active agent Substances 0.000 description 2
- 239000002562 thickening agent Substances 0.000 description 2
- PQUXFUBNSYCQAL-UHFFFAOYSA-N 1-(2,3-difluorophenyl)ethanone Chemical compound CC(=O)C1=CC=CC(F)=C1F PQUXFUBNSYCQAL-UHFFFAOYSA-N 0.000 description 1
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- JAHNSTQSQJOJLO-UHFFFAOYSA-N 2-(3-fluorophenyl)-1h-imidazole Chemical compound FC1=CC=CC(C=2NC=CN=2)=C1 JAHNSTQSQJOJLO-UHFFFAOYSA-N 0.000 description 1
- 239000004160 Ammonium persulphate Substances 0.000 description 1
- GAWIXWVDTYZWAW-UHFFFAOYSA-N C[CH]O Chemical group C[CH]O GAWIXWVDTYZWAW-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000004908 Emulsion polymer Substances 0.000 description 1
- BRLQWZUYTZBJKN-UHFFFAOYSA-N Epichlorohydrin Chemical compound ClCC1CO1 BRLQWZUYTZBJKN-UHFFFAOYSA-N 0.000 description 1
- 102000004882 Lipase Human genes 0.000 description 1
- 108090001060 Lipase Proteins 0.000 description 1
- 239000004367 Lipase Substances 0.000 description 1
- CERQOIWHTDAKMF-UHFFFAOYSA-M Methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
- 229920006328 Styrofoam Polymers 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 150000003926 acrylamides Chemical class 0.000 description 1
- 238000012644 addition polymerization Methods 0.000 description 1
- 229940037003 alum Drugs 0.000 description 1
- 235000019395 ammonium persulphate Nutrition 0.000 description 1
- 150000008064 anhydrides Chemical class 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 1
- 229920006317 cationic polymer Polymers 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011362 coarse particle Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- LDHQCZJRKDOVOX-NSCUHMNNSA-N crotonic acid Chemical compound C\C=C\C(O)=O LDHQCZJRKDOVOX-NSCUHMNNSA-N 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 150000004985 diamines Chemical class 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 239000003657 drainage water Substances 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000008570 general process Effects 0.000 description 1
- PYGSKMBEVAICCR-UHFFFAOYSA-N hexa-1,5-diene Chemical class C=CCCC=C PYGSKMBEVAICCR-UHFFFAOYSA-N 0.000 description 1
- 125000001165 hydrophobic group Chemical group 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- LVHBHZANLOWSRM-UHFFFAOYSA-N methylenebutanedioic acid Natural products OC(=O)CC(=C)C(O)=O LVHBHZANLOWSRM-UHFFFAOYSA-N 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 239000010893 paper waste Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 229920000371 poly(diallyldimethylammonium chloride) polymer Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 150000003242 quaternary ammonium salts Chemical class 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229940047670 sodium acrylate Drugs 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 150000003440 styrenes Chemical class 0.000 description 1
- 239000008261 styrofoam Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000002522 swelling effect Effects 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- LDHQCZJRKDOVOX-UHFFFAOYSA-N trans-crotonic acid Natural products CC=CC(O)=O LDHQCZJRKDOVOX-UHFFFAOYSA-N 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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)
- Medicinal Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Polymers & Plastics (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Paper (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Distillation Of Fermentation Liquor, Processing Of Alcohols, Vinegar And Beer (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Soy Sauces And Products Related Thereto (AREA)
- Reinforced Plastic Materials (AREA)
- Colloid Chemistry (AREA)
- Laminated Bodies (AREA)
- Detergent Compositions (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB9423452A GB9423452D0 (en) | 1994-11-21 | 1994-11-21 | Processes for reducing contamination of cellulosic liquors |
| GB9423452 | 1994-11-21 | ||
| GB9502696 | 1995-02-11 | ||
| PCT/GB1995/002696 WO1996016224A1 (en) | 1994-11-21 | 1995-11-16 | Processes for reducing contamination of cellulosic liquors |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| FI972162A0 FI972162A0 (fi) | 1997-05-21 |
| FI972162L FI972162L (fi) | 1997-07-18 |
| FI113188B true FI113188B (fi) | 2004-03-15 |
Family
ID=10764732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI972162A FI113188B (fi) | 1994-11-21 | 1997-05-21 | Menetelmiä selluloosaprosessin lipeiden kontaminaation vähentämiseksi |
Country Status (19)
| Country | Link |
|---|---|
| US (1) | US5744043A (da) |
| EP (1) | EP0793749B1 (da) |
| JP (1) | JP3766099B2 (da) |
| KR (1) | KR100403213B1 (da) |
| AT (1) | ATE172763T1 (da) |
| AU (1) | AU705606B2 (da) |
| BR (1) | BR9509738A (da) |
| CA (1) | CA2206897C (da) |
| DE (1) | DE69505696T2 (da) |
| DK (1) | DK0793749T3 (da) |
| ES (1) | ES2124027T3 (da) |
| FI (1) | FI113188B (da) |
| GB (1) | GB9423452D0 (da) |
| IL (1) | IL116036A (da) |
| NO (1) | NO321657B1 (da) |
| NZ (1) | NZ295422A (da) |
| TW (1) | TW417000B (da) |
| WO (1) | WO1996016224A1 (da) |
| ZA (1) | ZA959830B (da) |
Families Citing this family (7)
| 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 |
| ES2564391T3 (es) * | 2008-07-23 | 2016-03-22 | Solenis Technologies Cayman, L.P. | Pulpación de material celulósico en presencia de un polímero catiónico |
| PL2462278T3 (pl) | 2009-08-03 | 2020-07-27 | Archroma Ip Gmbh | Sposób redukcji negatywnego wpływu lepkich zanieczyszczeń w układach zawierających makulaturę |
| RU2418745C1 (ru) * | 2009-12-10 | 2011-05-20 | Эдуард Львович Аким | Способ очистки сточной воды целлюлозно-бумажного производства напорной флотацией |
| 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 |
| EP0201237B1 (en) * | 1985-04-25 | 1991-01-23 | Ciba Specialty Chemicals Water Treatments Limited | Flocculation processes |
| 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 NZ NZ295422A patent/NZ295422A/xx unknown
- 1995-11-16 JP JP51665996A patent/JP3766099B2/ja not_active Expired - Fee Related
- 1995-11-16 EP EP95937936A patent/EP0793749B1/en 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 AU AU38758/95A patent/AU705606B2/en not_active Ceased
- 1995-11-16 ES ES95937936T patent/ES2124027T3/es not_active Expired - Lifetime
- 1995-11-16 DK DK95937936T patent/DK0793749T3/da active
- 1995-11-16 AT AT95937936T patent/ATE172763T1/de not_active IP Right Cessation
- 1995-11-16 CA CA002206897A patent/CA2206897C/en not_active Expired - Fee Related
- 1995-11-16 BR BR9509738A patent/BR9509738A/pt not_active IP Right Cessation
- 1995-11-16 WO PCT/GB1995/002696 patent/WO1996016224A1/en not_active Ceased
- 1995-11-20 ZA ZA959830A patent/ZA959830B/xx unknown
- 1995-11-21 KR KR1019950042425A patent/KR100403213B1/ko not_active Expired - Fee Related
- 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 FI FI972162A patent/FI113188B/fi not_active IP Right Cessation
- 1997-05-21 NO NO19972329A patent/NO321657B1/no unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NO321657B1 (no) | 2006-06-19 |
| ATE172763T1 (de) | 1998-11-15 |
| FI972162A0 (fi) | 1997-05-21 |
| DE69505696T2 (de) | 1999-03-18 |
| AU705606B2 (en) | 1999-05-27 |
| IL116036A (en) | 1999-09-22 |
| EP0793749B1 (en) | 1998-10-28 |
| GB9423452D0 (en) | 1995-01-11 |
| CA2206897C (en) | 2005-01-11 |
| ZA959830B (en) | 1996-11-20 |
| WO1996016224A1 (en) | 1996-05-30 |
| NZ295422A (en) | 1999-02-25 |
| AU3875895A (en) | 1996-06-17 |
| US5744043A (en) | 1998-04-28 |
| ES2124027T3 (es) | 1999-01-16 |
| KR960017537A (ko) | 1996-06-17 |
| IL116036A0 (en) | 1996-01-31 |
| CA2206897A1 (en) | 1996-05-30 |
| NO972329D0 (no) | 1997-05-21 |
| JP3766099B2 (ja) | 2006-04-12 |
| BR9509738A (pt) | 1997-10-21 |
| NO972329L (no) | 1997-07-18 |
| KR100403213B1 (ko) | 2003-12-31 |
| DK0793749T3 (da) | 1999-07-12 |
| FI972162L (fi) | 1997-07-18 |
| DE69505696D1 (de) | 1998-12-03 |
| TW417000B (en) | 2001-01-01 |
| EP0793749A1 (en) | 1997-09-10 |
| MX9703794A (es) | 1998-05-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MA | Patent expired |