CA2869215A1 - Process for removal of solid non-fibrous material from pulp - Google Patents
Process for removal of solid non-fibrous material from pulp Download PDFInfo
- Publication number
- CA2869215A1 CA2869215A1 CA2869215A CA2869215A CA2869215A1 CA 2869215 A1 CA2869215 A1 CA 2869215A1 CA 2869215 A CA2869215 A CA 2869215A CA 2869215 A CA2869215 A CA 2869215A CA 2869215 A1 CA2869215 A1 CA 2869215A1
- Authority
- CA
- Canada
- Prior art keywords
- fibrous material
- solid non
- pulp suspension
- aqueous
- pulp
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
- 239000007787 solid Substances 0.000 title claims abstract description 164
- 239000002657 fibrous material Substances 0.000 title claims abstract description 150
- 238000000034 method Methods 0.000 title claims abstract description 119
- 230000008569 process Effects 0.000 title claims abstract description 116
- 239000000725 suspension Substances 0.000 claims abstract description 102
- 239000000706 filtrate Substances 0.000 claims abstract description 57
- 229920002678 cellulose Polymers 0.000 claims abstract description 47
- 239000001913 cellulose Substances 0.000 claims abstract description 47
- 238000007865 diluting Methods 0.000 claims abstract description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 91
- 239000000463 material Substances 0.000 claims description 49
- 239000000377 silicon dioxide Substances 0.000 claims description 45
- 238000004537 pulping Methods 0.000 claims description 24
- 239000002245 particle Substances 0.000 claims description 23
- 239000011343 solid material Substances 0.000 claims description 13
- 239000012530 fluid Substances 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 6
- 235000012239 silicon dioxide Nutrition 0.000 claims description 4
- 229910052681 coesite Inorganic materials 0.000 claims description 3
- 229910052906 cristobalite Inorganic materials 0.000 claims description 3
- 238000010790 dilution Methods 0.000 claims description 3
- 239000012895 dilution Substances 0.000 claims description 3
- 229910052682 stishovite Inorganic materials 0.000 claims description 3
- 229910052905 tridymite Inorganic materials 0.000 claims description 3
- 239000000123 paper Substances 0.000 description 20
- 239000002023 wood Substances 0.000 description 20
- 239000000835 fiber Substances 0.000 description 19
- 229920005610 lignin Polymers 0.000 description 14
- 239000000126 substance Substances 0.000 description 14
- 238000010411 cooking Methods 0.000 description 10
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 8
- 238000004061 bleaching Methods 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 8
- 229910021653 sulphate ion Inorganic materials 0.000 description 8
- 229920000875 Dissolving pulp Polymers 0.000 description 7
- 229920002488 Hemicellulose Polymers 0.000 description 7
- 239000007900 aqueous suspension Substances 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 5
- 230000001419 dependent effect Effects 0.000 description 4
- 239000011122 softwood Substances 0.000 description 4
- 229920000297 Rayon Polymers 0.000 description 3
- 238000004182 chemical digestion Methods 0.000 description 3
- 238000001311 chemical methods and process Methods 0.000 description 3
- 239000000470 constituent Substances 0.000 description 3
- -1 or recycled fibres Substances 0.000 description 3
- 239000011087 paperboard Substances 0.000 description 3
- 239000002964 rayon Substances 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 239000004753 textile Substances 0.000 description 3
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007717 exclusion Effects 0.000 description 2
- 239000010419 fine particle Substances 0.000 description 2
- 239000011121 hardwood Substances 0.000 description 2
- 229910010272 inorganic material Inorganic materials 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 229920000298 Cellophane Polymers 0.000 description 1
- 229920003043 Cellulose fiber Polymers 0.000 description 1
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- 241001417490 Sillaginidae Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000005903 acid hydrolysis reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000008186 active pharmaceutical agent Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000007844 bleaching agent Substances 0.000 description 1
- 125000004181 carboxyalkyl group Chemical group 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 150000002484 inorganic compounds Chemical class 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- 230000005226 mechanical processes and functions Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- 230000000930 thermomechanical effect Effects 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000001993 wax Substances 0.000 description 1
Classifications
-
- 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
- D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
- D21H11/14—Secondary fibres
-
- 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
- D21C9/18—De-watering; Elimination of cooking or pulp-treating liquors from the pulp
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
- D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
- D21B1/06—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by dry methods
-
- 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
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
- D21D5/00—Purification of the pulp suspension by mechanical means; Apparatus therefor
- D21D5/18—Purification of the pulp suspension by mechanical means; Apparatus therefor with the aid of centrifugal force
-
- 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
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Paper (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE1250336 | 2012-04-03 | ||
| SE1250336-6 | 2012-04-03 | ||
| PCT/EP2013/056557 WO2013149913A1 (en) | 2012-04-03 | 2013-03-27 | Process for removal of solid non-fibrous material from pulp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2869215A1 true CA2869215A1 (en) | 2013-10-10 |
Family
ID=48141912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2869215A Abandoned CA2869215A1 (en) | 2012-04-03 | 2013-03-27 | Process for removal of solid non-fibrous material from pulp |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20150122442A1 (enrdf_load_stackoverflow) |
| EP (1) | EP2834408A1 (enrdf_load_stackoverflow) |
| CA (1) | CA2869215A1 (enrdf_load_stackoverflow) |
| IN (1) | IN2014DN09180A (enrdf_load_stackoverflow) |
| WO (1) | WO2013149913A1 (enrdf_load_stackoverflow) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI124202B (en) * | 2012-02-22 | 2014-04-30 | Kemira Oyj | A method for improving the process of making paper or paperboard using recycled fibrous material |
| IN2014DN09180A (enrdf_load_stackoverflow) * | 2012-04-03 | 2015-07-10 | Ovivo Luxembourg Sarl | |
| SE540305C2 (en) * | 2017-02-07 | 2018-06-05 | Valmet Oy | System and method for silica removal in a pulping process |
| EP4116470A1 (en) * | 2021-07-08 | 2023-01-11 | TreeToTextile AB | A method for providing a filtered spinning dope |
Family Cites Families (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3833465A (en) * | 1971-04-27 | 1974-09-03 | Miller Bros Co Ltd | Single pulping system for multiple pulp stocks used in paperboard machine |
| SE413684C (sv) * | 1974-09-23 | 1987-05-18 | Mo Och Domsjoe Ab | Forfarande for framstellning av cellulosamassa i utbytesomradet 65-95 % |
| SE8404573D0 (sv) * | 1984-09-12 | 1984-09-12 | Celleco Ab | Anordning for avgasning och omblandning av floden |
| GB8604462D0 (en) * | 1986-02-22 | 1986-03-26 | Elp Products Ltd | Hydrocyclone |
| SE469279C (sv) * | 1988-07-08 | 1997-10-20 | Nils Anders Lennart Wikdahl | Sätt och anordning för att befria en fibersuspension från lätta föroreningar |
| US5069751A (en) * | 1990-08-09 | 1991-12-03 | Kamyr, Inc. | Hydrocyclone deinking of paper during recycling |
| US5131980A (en) * | 1990-08-09 | 1992-07-21 | Kamyr, Inc. | Hydrocyclone removal of sticky contaminants during paper recycling |
| CA2208269A1 (en) * | 1994-08-31 | 1996-03-07 | The Hoffman Group Ltd. | Method of papermaking having zero liquid discharge |
| US6071380A (en) * | 1994-08-31 | 2000-06-06 | Hoffman Environmental Systems, Inc. | Method of papermaking having zero liquid discharge |
| CN1195302A (zh) * | 1995-08-04 | 1998-10-07 | 塞莫·布莱克·克劳森公司 | 正向或反向水力旋流系统与方法 |
| KR100460551B1 (ko) * | 1995-08-11 | 2005-04-06 | 서모블랙클로슨인코포레이티드 | 리버스 하이드로사이클론, 리버스-플로우 하이드로사이클론 클리너, 및 리버스-플로우 사이클로닉 클리너 |
| FI117102B (fi) | 1996-05-23 | 2006-06-15 | Metso Paper Inc | Menetelmä paperikoneella sen vesikiertojen järjestämiseksi |
| US6003683A (en) * | 1996-06-20 | 1999-12-21 | Thermo Black Clawson Inc. | Forward or reverse hydrocyclone systems and methods |
| SE507386C2 (sv) * | 1996-09-16 | 1998-05-25 | Alfa Laval Ab | Förfarande och anläggning för behandling av en förorenad massasuspension |
| US20040065419A1 (en) * | 2002-10-04 | 2004-04-08 | Vicente Lasmarias | Removal of contaminants from recycled paper fibers |
| EP1664421B1 (en) * | 2003-09-08 | 2011-12-07 | Alberta Innovates - Technology Futures | Chemimechanical desilication of nonwood plant materials |
| SE528348C2 (sv) * | 2004-09-21 | 2006-10-24 | Noss Ab | Förfarande och anordning för att tillverka cellulosamassa |
| SE529771C2 (sv) * | 2005-04-29 | 2007-11-20 | Gl & V Man Hungary Kft Hermina | Hydrocyklonenhet och metod för separering av en fibermassasuspension innehållande relativt tunga föroreningar |
| DE502006007018D1 (de) * | 2005-12-17 | 2010-07-08 | Voith Patent Gmbh | Verfahren zur Dispergierung von Papierfaserstoffen |
| DE102006057861A1 (de) | 2006-12-08 | 2008-06-12 | Voith Patent Gmbh | Verfahren zur Behandlung von beim Eindicken von Papierfasersuspension anfallendem Filtrat |
| FI119999B (fi) * | 2008-01-28 | 2009-05-29 | Andritz Oy | Menetelmä ja laite massan käsittelemiseksi |
| CN102481588B (zh) * | 2009-07-03 | 2014-06-11 | 奥维沃卢森堡公司 | 用于净化纤维素悬浮液的水力旋流器、系统和方法 |
| IN2014DN09180A (enrdf_load_stackoverflow) * | 2012-04-03 | 2015-07-10 | Ovivo Luxembourg Sarl |
-
2013
- 2013-03-27 IN IN9180DEN2014 patent/IN2014DN09180A/en unknown
- 2013-03-27 US US14/390,024 patent/US20150122442A1/en not_active Abandoned
- 2013-03-27 WO PCT/EP2013/056557 patent/WO2013149913A1/en active Application Filing
- 2013-03-27 EP EP13717194.8A patent/EP2834408A1/en not_active Withdrawn
- 2013-03-27 CA CA2869215A patent/CA2869215A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| US20150122442A1 (en) | 2015-05-07 |
| WO2013149913A1 (en) | 2013-10-10 |
| IN2014DN09180A (enrdf_load_stackoverflow) | 2015-07-10 |
| EP2834408A1 (en) | 2015-02-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FZDE | Discontinued |
Effective date: 20190327 |