FI90573C - Sätt att inom pappers-, massa- och boardindustrin förbättra retention eller rening av cellulosafibersuspensioner resp. avloppsvatten - Google Patents
Sätt att inom pappers-, massa- och boardindustrin förbättra retention eller rening av cellulosafibersuspensioner resp. avloppsvatten Download PDFInfo
- Publication number
- FI90573C FI90573C FI875123A FI875123A FI90573C FI 90573 C FI90573 C FI 90573C FI 875123 A FI875123 A FI 875123A FI 875123 A FI875123 A FI 875123A FI 90573 C FI90573 C FI 90573C
- Authority
- FI
- Finland
- Prior art keywords
- cationic
- polyethylene oxide
- pulp
- derivative
- retention
- Prior art date
Links
- 239000000835 fiber Substances 0.000 title claims description 24
- 230000014759 maintenance of location Effects 0.000 title claims description 18
- 239000000725 suspension Substances 0.000 title claims description 16
- 239000002351 wastewater Substances 0.000 title claims description 7
- 125000002091 cationic group Chemical group 0.000 claims description 36
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 26
- 229920002678 cellulose Polymers 0.000 claims description 17
- 239000001913 cellulose Substances 0.000 claims description 17
- 229920001568 phenolic resin Polymers 0.000 claims description 17
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims description 15
- 229920000881 Modified starch Polymers 0.000 claims description 15
- 235000019426 modified starch Nutrition 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 12
- 238000000746 purification Methods 0.000 claims description 11
- 239000004705 High-molecular-weight polyethylene Substances 0.000 claims description 10
- 229920005989 resin Polymers 0.000 claims description 9
- 239000011347 resin Substances 0.000 claims description 9
- 238000006467 substitution reaction Methods 0.000 claims description 3
- 125000001453 quaternary ammonium group Chemical group 0.000 claims description 2
- 239000011230 binding agent Substances 0.000 description 6
- 238000002474 experimental method Methods 0.000 description 6
- 229920000867 polyelectrolyte Polymers 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 229920002488 Hemicellulose Polymers 0.000 description 4
- 229920005610 lignin Polymers 0.000 description 4
- 239000000123 paper Substances 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- 239000000945 filler Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- -1 oxypropylene groups Chemical group 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- KUGRPPRAQNPSQD-UHFFFAOYSA-N OOOOO Chemical compound OOOOO KUGRPPRAQNPSQD-UHFFFAOYSA-N 0.000 description 2
- DTAFLBZLAZYRDX-UHFFFAOYSA-N OOOOOO Chemical compound OOOOOO DTAFLBZLAZYRDX-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 2
- 238000004061 bleaching Methods 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 238000005352 clarification Methods 0.000 description 2
- SLGWESQGEUXWJQ-UHFFFAOYSA-N formaldehyde;phenol Chemical compound O=C.OC1=CC=CC=C1 SLGWESQGEUXWJQ-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 125000006353 oxyethylene group Chemical group 0.000 description 2
- 229920002401 polyacrylamide Polymers 0.000 description 2
- 229910021653 sulphate ion Inorganic materials 0.000 description 2
- 238000004065 wastewater treatment Methods 0.000 description 2
- 102100031260 Acyl-coenzyme A thioesterase THEM4 Human genes 0.000 description 1
- GAWIXWVDTYZWAW-UHFFFAOYSA-N C[CH]O Chemical group C[CH]O GAWIXWVDTYZWAW-UHFFFAOYSA-N 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 229920002261 Corn starch Polymers 0.000 description 1
- 102100035861 Cytosolic 5'-nucleotidase 1A Human genes 0.000 description 1
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 1
- 101000638510 Homo sapiens Acyl-coenzyme A thioesterase THEM4 Proteins 0.000 description 1
- 101000802744 Homo sapiens Cytosolic 5'-nucleotidase 1A Proteins 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical group C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 229920002873 Polyethylenimine Polymers 0.000 description 1
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- 244000061456 Solanum tuberosum Species 0.000 description 1
- 235000002595 Solanum tuberosum Nutrition 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 240000008042 Zea mays Species 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 239000010459 dolomite Substances 0.000 description 1
- 229910000514 dolomite Inorganic materials 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 244000144992 flock Species 0.000 description 1
- 238000005188 flotation Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 125000002768 hydroxyalkyl group Chemical group 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000011256 inorganic filler Substances 0.000 description 1
- 229910003475 inorganic filler Inorganic materials 0.000 description 1
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 1
- TWNIBLMWSKIRAT-VFUOTHLCSA-N levoglucosan Chemical group O[C@@H]1[C@@H](O)[C@H](O)[C@H]2CO[C@@H]1O2 TWNIBLMWSKIRAT-VFUOTHLCSA-N 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 239000011087 paperboard Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000768 polyamine Polymers 0.000 description 1
- 229920001592 potato starch Polymers 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 229940100445 wheat starch Drugs 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
- C02F1/56—Macromolecular compounds
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/06—Paper forming aids
- D21H21/10—Retention agents or drainage improvers
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
- D21H17/24—Polysaccharides
- D21H17/25—Cellulose
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
- D21H17/24—Polysaccharides
- D21H17/28—Starch
- D21H17/29—Starch cationic
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/33—Synthetic macromolecular compounds
- D21H17/46—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D21H17/47—Condensation polymers of aldehydes or ketones
- D21H17/48—Condensation polymers of aldehydes or ketones with phenols
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/33—Synthetic macromolecular compounds
- D21H17/46—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D21H17/53—Polyethers; Polyesters
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Paper (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Claims (7)
1. Satt att inom pappers-, massa- och boardindus-trin forbattra retention och rening av cellulosafiber- 5 suspensioner resp avloppsvatten genom behandling dårav med fenolformaldehydharts och hbgmolekylar polyetylen-oxid, kannetecknat dårav, att behandlingen med fenolformaldehydharts och hogmolekylar polyetylen-oxid sker i kombination med ett katjoniskt starkelsederi- 20 vat eller ett katjoniskt cellulosaderivat.
2. F5rfarande enligt patentkravet 1, kannetecknat darav, att viktfbrhållandet mellan fenol-formaldehydharts och polyetylenoxid ar 1:5 - 50:1 och mellan starkelsederivatet eller cellulosaderivatet och 25 polyetylenoxid 1:5 - 100:1.
3. Forfarande enligt patentkravet 1 eller 2, kannetecknat dMrav, att starkelsederivatets och cel-lulosaderivatets katjoniska grupper ar kvartara ammoniumgrupper . 2o Forfarande enligt något av tidigare patentkrav, kannetecknat dSrav, att polyetylenoxid har en molvikt over 500 000.
5. F5rfarande enligt något av patentkraven 1-4, kannetecknat dSrav, att starkelsederivatet 25 har en katjonisk substitutionsgrad av 0,01 - 0,1.
6. Forfarande enligt något av tidigare patentkraven 1-5, kannetecknat darav, att en cellulosa-fibersuspension avvattnas i narvaro av fenolformaldehydharts i en mangd av 0,01-0,5 viktprocent, polyetylenoxid 30. en mangd av 0,001-0,1 viktprocent och katjoniskt star-kelsederivat eller katjoniskt cellulosaderivat i en mangd av 0,01-1,0 viktprocent.
7. Fdrfarande enligt något av patentkraven 1-6, kannetecknat darav, att avfallsvatten renas 14 90573 i nårvaro av fenolformaldehydharts i en mångd av over 1 ppm, polyetylenoxid i en mångd av dver 0,1 ppm och katjoniskt. stårkelsederivat eller katjoniskt cellulosa-derivat i en mångd 5ver 1 ppm råknat på avloppsvattnet.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE8604975A SE454507B (sv) | 1986-11-21 | 1986-11-21 | Sett att inom pappers-, massa- eller boardindustrin forbettra retention eller rening av cellulosafibersuspensioner resp avloppsvatten |
| SE8604975 | 1986-11-21 |
Publications (4)
| Publication Number | Publication Date |
|---|---|
| FI875123A0 FI875123A0 (sv) | 1987-11-19 |
| FI875123A FI875123A (sv) | 1988-05-22 |
| FI90573B FI90573B (sv) | 1993-11-15 |
| FI90573C true FI90573C (sv) | 1994-02-25 |
Family
ID=20366355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI875123A FI90573C (sv) | 1986-11-21 | 1987-11-19 | Sätt att inom pappers-, massa- och boardindustrin förbättra retention eller rening av cellulosafibersuspensioner resp. avloppsvatten |
Country Status (3)
| Country | Link |
|---|---|
| FI (1) | FI90573C (sv) |
| NO (1) | NO166456C (sv) |
| SE (1) | SE454507B (sv) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5173208A (en) * | 1991-06-17 | 1992-12-22 | Nalco Canada Inc. | Liquid suspension of polyethylene oxide for use in treating paper and pulp wastewater |
| US5230808A (en) * | 1991-06-17 | 1993-07-27 | Nalco Canada Inc. | Liquid suspension of polyethylene oxide for use in treating paper and pulp wastewater |
| US5178770A (en) * | 1991-07-12 | 1993-01-12 | Nalco Canada Inc. | Method of treating bctmp/ctmp wastewater |
| WO1993015271A1 (en) * | 1992-01-29 | 1993-08-05 | Kemira Kemi Aktiebolag | Improved process for production of paper |
| SE500783C2 (sv) * | 1992-05-05 | 1994-09-05 | Eka Nobel Ab | Sätt att rena vedhartsinnehållande process- eller avloppsvatten |
| SE509777C2 (sv) * | 1997-07-07 | 1999-03-08 | Kemira Kemi Ab | Sätt att förbättra retentionen vid avvattning av en cellulosafibersuspension genom användning av ett medel, som inbegriper ett fenolformaldehydharts och en polyetylenoxid |
| GB9800497D0 (en) * | 1998-01-09 | 1998-03-04 | Allied Colloids Ltd | Dewatering of sludges |
-
1986
- 1986-11-21 SE SE8604975A patent/SE454507B/sv not_active IP Right Cessation
-
1987
- 1987-11-19 FI FI875123A patent/FI90573C/sv not_active IP Right Cessation
- 1987-11-19 NO NO874840A patent/NO166456C/no not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| FI90573B (sv) | 1993-11-15 |
| NO166456C (no) | 1991-07-24 |
| FI875123A0 (sv) | 1987-11-19 |
| FI875123A (sv) | 1988-05-22 |
| NO166456B (no) | 1991-04-15 |
| NO874840L (no) | 1988-05-24 |
| NO874840D0 (no) | 1987-11-19 |
| SE454507B (sv) | 1988-05-09 |
| SE8604975D0 (sv) | 1986-11-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BB | Publication of examined application | ||
| MM | Patent lapsed |
Owner name: BEROL KEMI AB |