SE419778B - Anvendning av polyalkylenoxider for separation av cellulosafibrer - Google Patents
Anvendning av polyalkylenoxider for separation av cellulosafibrerInfo
- Publication number
- SE419778B SE419778B SE8000141A SE8000141A SE419778B SE 419778 B SE419778 B SE 419778B SE 8000141 A SE8000141 A SE 8000141A SE 8000141 A SE8000141 A SE 8000141A SE 419778 B SE419778 B SE 419778B
- Authority
- SE
- Sweden
- Prior art keywords
- fibers
- unbleached
- polyalkylene oxides
- fibres
- unbleached sulphate
- Prior art date
Links
- 239000000835 fiber Substances 0.000 title claims abstract description 45
- 238000000926 separation method Methods 0.000 title description 11
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims abstract description 29
- 229910021653 sulphate ion Inorganic materials 0.000 claims abstract description 29
- 239000000203 mixture Substances 0.000 claims abstract description 22
- 229920000233 poly(alkylene oxides) Polymers 0.000 claims abstract description 18
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims abstract description 12
- 238000005188 flotation Methods 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims abstract description 9
- 238000005189 flocculation Methods 0.000 claims abstract description 5
- 230000016615 flocculation Effects 0.000 claims abstract description 5
- 239000007900 aqueous suspension Substances 0.000 claims abstract description 4
- 238000001914 filtration Methods 0.000 claims abstract description 4
- 238000004062 sedimentation Methods 0.000 claims abstract description 4
- 239000000725 suspension Substances 0.000 claims 3
- 244000144992 flock Species 0.000 abstract description 4
- 239000002994 raw material Substances 0.000 abstract description 2
- 239000000123 paper Substances 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 5
- 229920001131 Pulp (paper) Polymers 0.000 description 4
- 239000000654 additive Substances 0.000 description 4
- 230000000996 additive effect Effects 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 239000011111 cardboard Substances 0.000 description 3
- 230000003311 flocculating effect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 3
- 239000002023 wood Substances 0.000 description 3
- 239000010014 Mentat Substances 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 125000002947 alkylene group Chemical group 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000007844 bleaching agent Substances 0.000 description 2
- 229920002678 cellulose Polymers 0.000 description 2
- 239000001913 cellulose Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 239000010893 paper waste Substances 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- 241000556720 Manga Species 0.000 description 1
- 229920002873 Polyethylenimine Polymers 0.000 description 1
- 229920002522 Wood fibre Polymers 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000004042 decolorization Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- -1 ethylene, propylene, butylene groups Chemical group 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000004088 foaming agent Substances 0.000 description 1
- 238000005194 fractionation Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 239000002655 kraft paper Substances 0.000 description 1
- 238000009282 microflotation Methods 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
- 229920002401 polyacrylamide Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 229920003169 water-soluble polymer Polymers 0.000 description 1
- 239000002025 wood fiber Substances 0.000 description 1
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
- D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
- D21C5/02—Working-up waste paper
- D21C5/022—Chemicals therefor
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F1/00—Wet end of machines for making continuous webs of paper
- D21F1/66—Pulp catching, de-watering, or recovering; Re-use of pulp-water
- D21F1/82—Pulp catching, de-watering, or recovering; Re-use of pulp-water adding fibre agglomeration compositions
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/64—Paper recycling
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Toxicology (AREA)
- Paper (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
- Artificial Filaments (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Investigating Or Analysing Biological Materials (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Immobilizing And Processing Of Enzymes And Microorganisms (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Priority Applications (10)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE8000141A SE419778B (sv) | 1980-01-08 | 1980-01-08 | Anvendning av polyalkylenoxider for separation av cellulosafibrer |
| US06/293,212 US4362600A (en) | 1980-01-08 | 1980-12-23 | Use of polyalkylene oxides for the separation of cellulose fibres |
| JP56500414A JPS5922831B2 (ja) | 1980-01-08 | 1980-12-23 | 未さらし硫酸塩パルプの分離方法 |
| PCT/SE1980/000347 WO1981002030A1 (en) | 1980-01-08 | 1980-12-23 | Use of polyalkylene oxides for the separation of cellulose fibres |
| EP19800850196 EP0032364B1 (de) | 1980-01-08 | 1980-12-29 | Verwendung von Polyalkylenoxiden für die Trennung von Cellulosefasern |
| AT80850196T ATE2629T1 (de) | 1980-01-08 | 1980-12-29 | Verwendung von polyalkylenoxiden fuer die trennung von cellulosefasern. |
| DE8080850196T DE3062142D1 (en) | 1980-01-08 | 1980-12-29 | Use of polyalkylene oxides for the separation of cellulose fibres |
| CA000367987A CA1150913A (en) | 1980-01-08 | 1981-01-07 | Use of polyalkylene oxides for the separation of cellulose fibres |
| FI812579A FI69655C (fi) | 1980-01-08 | 1981-08-21 | Anvaendning av polyalkylenoxider foer separering av cellulosafibrer |
| NO813039A NO813039L (no) | 1980-01-08 | 1981-09-07 | Anvendelse av polyalkylenoksyder for separasjon av cellulosefibere. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE8000141A SE419778B (sv) | 1980-01-08 | 1980-01-08 | Anvendning av polyalkylenoxider for separation av cellulosafibrer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE8000141L SE8000141L (sv) | 1981-07-09 |
| SE419778B true SE419778B (sv) | 1981-08-24 |
Family
ID=20339915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE8000141A SE419778B (sv) | 1980-01-08 | 1980-01-08 | Anvendning av polyalkylenoxider for separation av cellulosafibrer |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US4362600A (de) |
| EP (1) | EP0032364B1 (de) |
| JP (1) | JPS5922831B2 (de) |
| AT (1) | ATE2629T1 (de) |
| CA (1) | CA1150913A (de) |
| DE (1) | DE3062142D1 (de) |
| FI (1) | FI69655C (de) |
| NO (1) | NO813039L (de) |
| SE (1) | SE419778B (de) |
| WO (1) | WO1981002030A1 (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0463743U (de) * | 1990-10-15 | 1992-05-29 | ||
| GB9212867D0 (en) * | 1992-06-17 | 1992-07-29 | Wiggins Teape Group Ltd | Recovery and re-use of raw materials from paper mill waste sludge |
| US5246116A (en) * | 1992-09-22 | 1993-09-21 | Reynolds Metals Company | Method and apparatus for separation and recovery of the components from foil-containing laminates |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3069306A (en) * | 1960-04-20 | 1962-12-18 | Petrolite Corp | Oxyalkylated water process |
| US3141816A (en) * | 1960-07-27 | 1964-07-21 | Nalco Chemical Co | Method of improving operational efficiency of white water recovery systems |
| US3884750A (en) * | 1972-09-25 | 1975-05-20 | Little Inc A | Method of recovering separate fiber fractions from corrugated board |
| US3925150A (en) * | 1973-04-06 | 1975-12-09 | Black Clawson Co | Selective reclamation of waste paper products |
-
1980
- 1980-01-08 SE SE8000141A patent/SE419778B/sv not_active IP Right Cessation
- 1980-12-23 JP JP56500414A patent/JPS5922831B2/ja not_active Expired
- 1980-12-23 WO PCT/SE1980/000347 patent/WO1981002030A1/en not_active Ceased
- 1980-12-23 US US06/293,212 patent/US4362600A/en not_active Expired - Fee Related
- 1980-12-29 DE DE8080850196T patent/DE3062142D1/de not_active Expired
- 1980-12-29 EP EP19800850196 patent/EP0032364B1/de not_active Expired
- 1980-12-29 AT AT80850196T patent/ATE2629T1/de not_active IP Right Cessation
-
1981
- 1981-01-07 CA CA000367987A patent/CA1150913A/en not_active Expired
- 1981-08-21 FI FI812579A patent/FI69655C/fi not_active IP Right Cessation
- 1981-09-07 NO NO813039A patent/NO813039L/no unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FI812579L (fi) | 1981-08-21 |
| US4362600A (en) | 1982-12-07 |
| WO1981002030A1 (en) | 1981-07-23 |
| SE8000141L (sv) | 1981-07-09 |
| FI69655B (fi) | 1985-11-29 |
| NO813039L (no) | 1981-09-07 |
| EP0032364B1 (de) | 1983-02-23 |
| JPS56501851A (de) | 1981-12-17 |
| ATE2629T1 (de) | 1983-03-15 |
| EP0032364A1 (de) | 1981-07-22 |
| FI69655C (fi) | 1986-03-10 |
| CA1150913A (en) | 1983-08-02 |
| JPS5922831B2 (ja) | 1984-05-29 |
| DE3062142D1 (en) | 1983-03-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5442165B2 (ja) | パルプ及び紙の製造方法 | |
| CN101321910B (zh) | 造纸或造纸板的方法 | |
| JPH0215670B2 (de) | ||
| EP1126076B1 (de) | Verfahren und Vorrichtung zur Halbstoffreinigung | |
| US20040065419A1 (en) | Removal of contaminants from recycled paper fibers | |
| Grossmann et al. | Paper recycling | |
| US11447914B2 (en) | Removal of stickies in the recycling of paper and paperboard | |
| EP2752521A1 (de) | Verfahren zur Herstellung eines faserbasierten Produkts, faserbasiertes Produkt und Ausgangsmaterial und seine Verwendung | |
| FI73251B (fi) | Foerfarande foer rening av avfallspapper. | |
| US4468317A (en) | Selective rheological separation of clays | |
| SE419778B (sv) | Anvendning av polyalkylenoxider for separation av cellulosafibrer | |
| EP0928842A3 (de) | Feuchte Grobpartikel und Verfahren zur Herstellung der feuchten Grobpartikel | |
| US2249570A (en) | Fractionation of clay | |
| US20070023329A1 (en) | Method for selective removal of ray cells from cellulose pulp | |
| Opedal et al. | Colloidal stability and removal of extractives from process water in thermomechanical pulping | |
| WO2021219776A1 (de) | Verfahren zur herstellung eines etikettenpapiers aus abgelösten nassetiketten | |
| NZ206982A (en) | Method for manufacturing improved groundwood pulp and producing a long-fibre fraction | |
| AU7829098A (en) | Use of cationic polyelectrolytes and surfactants in the deinking of wastepaper | |
| RU2723819C1 (ru) | Способ получения бумаги | |
| Chabot et al. | Effect of Ultrafiltration Permeate Recycling on Deinking Efficiency of Flexo-Printed Newspapers | |
| SU1141129A1 (ru) | Способ приготовлени бумажной массы дл производства упаковочного материала | |
| FI69661B (fi) | Foerfarande foer foerbaettring av bindningsegenskaperna hos enekanisk massa | |
| CN109983175B (zh) | 用于工艺水处理的设备 | |
| CN119343321A (zh) | 处理造纸厂或纸板厂污泥以实现再利用的方法 | |
| Glogowski | Fiber Fractionation: The Use of Fines to Improve Retention |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NAL | Patent in force |
Ref document number: 8000141-5 Format of ref document f/p: F |
|
| NUG | Patent has lapsed |
Ref document number: 8000141-5 Format of ref document f/p: F |