CA2869215A1 - Process for removal of solid non-fibrous material from pulp - Google Patents

Process for removal of solid non-fibrous material from pulp Download PDF

Info

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
Application number
CA2869215A
Other languages
English (en)
French (fr)
Inventor
Sven CALDEMAN
Kennet Nilsson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GL&V Luxemburg SARL
Original Assignee
Ovivo Luxembourg SARL
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ovivo Luxembourg SARL filed Critical Ovivo Luxembourg SARL
Publication of CA2869215A1 publication Critical patent/CA2869215A1/en
Abandoned legal-status Critical Current

Links

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)
CA2869215A 2012-04-03 2013-03-27 Process for removal of solid non-fibrous material from pulp Abandoned CA2869215A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE1250336-6 2012-04-03
SE1250336 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 (pt)
EP (1) EP2834408A1 (pt)
CA (1) CA2869215A1 (pt)
IN (1) IN2014DN09180A (pt)
WO (1) WO2013149913A1 (pt)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
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
WO2013149913A1 (en) * 2012-04-03 2013-10-10 Ovivo Luxembourg S.a.r.l. Process for removal of solid non-fibrous material from pulp
SE540305C2 (en) * 2017-02-07 2018-06-05 Valmet Oy System and method for silica removal in a pulping process

Family Cites Families (23)

* Cited by examiner, † Cited by third party
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
US5131980A (en) * 1990-08-09 1992-07-21 Kamyr, Inc. Hydrocyclone removal of sticky contaminants during paper recycling
US5069751A (en) * 1990-08-09 1991-12-03 Kamyr, Inc. Hydrocyclone deinking of paper during 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
WO1997005957A1 (en) * 1995-08-04 1997-02-20 The Black Clawson Company Forward or reverse hydrocyclone systems and methods
JP3773536B2 (ja) * 1995-08-11 2006-05-10 サーモ・ブラック・クローソン・インコーポレーテッド 滞在時間の長い逆ハイドロサイクロンクリーナ
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
ES2344268T3 (es) * 2005-12-17 2010-08-23 Voith Patent Gmbh Procedimiento para dispersar pastas fibrosas de papel.
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
WO2011002373A1 (en) * 2009-07-03 2011-01-06 Glv Finance Hungary Kft., Luxembourg Branch Hydrocyclone, system and method for cleaning cellulose suspensions
WO2013149913A1 (en) * 2012-04-03 2013-10-10 Ovivo Luxembourg S.a.r.l. Process for removal of solid non-fibrous material from pulp

Also Published As

Publication number Publication date
IN2014DN09180A (pt) 2015-07-10
WO2013149913A1 (en) 2013-10-10
EP2834408A1 (en) 2015-02-11
US20150122442A1 (en) 2015-05-07

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Legal Events

Date Code Title Description
FZDE Discontinued

Effective date: 20190327