CA3227931A1 - Procede de reduction de teneur en amidon d'une phase aqueuse retiree de la preparation d'une pate de fibres - Google Patents

Procede de reduction de teneur en amidon d'une phase aqueuse retiree de la preparation d'une pate de fibres Download PDF

Info

Publication number
CA3227931A1
CA3227931A1 CA3227931A CA3227931A CA3227931A1 CA 3227931 A1 CA3227931 A1 CA 3227931A1 CA 3227931 A CA3227931 A CA 3227931A CA 3227931 A CA3227931 A CA 3227931A CA 3227931 A1 CA3227931 A1 CA 3227931A1
Authority
CA
Canada
Prior art keywords
fibre
starch
cationic
stock
fibre stock
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.)
Pending
Application number
CA3227931A
Other languages
English (en)
Inventor
Jonni Ahlgren
Matti Hietaniemi
Markus Korhonen
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.)
Kemira Oyj
Original Assignee
Kemira Oyj
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 Kemira Oyj filed Critical Kemira Oyj
Publication of CA3227931A1 publication Critical patent/CA3227931A1/fr
Pending legal-status Critical Current

Links

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
    • D21C5/005—Treatment of cellulose-containing material with microorganisms or enzymes
    • 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
    • D21H17/34—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H17/41—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing ionic groups
    • D21H17/44—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing ionic groups cationic
    • D21H17/45—Nitrogen-containing groups
    • D21H17/455—Nitrogen-containing groups comprising tertiary amine or being at least partially quaternised
    • 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
    • D21D99/00—Subject matter not provided for in other groups of this subclass
    • 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
    • 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
    • D21H17/005—Microorganisms or enzymes
    • 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
    • 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
    • D21H17/34—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H17/37—Polymers of unsaturated acids or derivatives thereof, e.g. polyacrylates
    • D21H17/375—Poly(meth)acrylamide
    • 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
    • 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
    • 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
    • D21H21/14—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 characterised by function or properties in or on the paper
    • D21H21/36—Biocidal agents, e.g. fungicidal, bactericidal, insecticidal agents
    • 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
    • D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
    • D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
    • D21H23/04—Addition to the pulp; After-treatment of added substances in the pulp
    • D21H23/06—Controlling the addition
    • D21H23/14—Controlling the addition by selecting point of addition or time of contact between components

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Microbiology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Pest Control & Pesticides (AREA)
  • Biochemistry (AREA)
  • Paper (AREA)

Abstract

L'invention concerne un procédé de réduction de la teneur en amidon d'une phase aqueuse, qui est retirée d'une préparation de pâte de fibres dans un procédé de fabrication de papier, carton, tissu ou analogue. La préparation de la pâte de fibres comprend une étape d'épaississement, au cours de laquelle une pâte de fibres comprenant des fibres cellulosiques provenant de matériaux fibreux recyclés et/ou cassés ainsi que de l'amidon dispersé dans une phase aqueuse est épaissie d'une première concentration à une seconde concentration en retirant une partie de la phase aqueuse de la pâte de fibres. Un polymère cationique obtenu par copolymérisation de (méth)acrylamide et d'au moins 25 % en moles de monomère(s) uniquement cationique(s), dont la viscosité standard SV est d'au moins 1,7 mPa/s, est ajouté à la matière fibreuse au plus tard à l'étape d'épaississement afin d'associer l'amidon aux fibres cellulosiques de la matière fibreuse.
CA3227931A 2021-10-12 2022-10-12 Procede de reduction de teneur en amidon d'une phase aqueuse retiree de la preparation d'une pate de fibres Pending CA3227931A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FI20216054 2021-10-12
FI20216054 2021-10-12
PCT/FI2022/050678 WO2023062277A1 (fr) 2021-10-12 2022-10-12 Procédé de réduction de teneur en amidon d'une phase aqueuse retirée de la préparation d'une pâte de fibres

Publications (1)

Publication Number Publication Date
CA3227931A1 true CA3227931A1 (fr) 2023-04-20

Family

ID=83899586

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3227931A Pending CA3227931A1 (fr) 2021-10-12 2022-10-12 Procede de reduction de teneur en amidon d'une phase aqueuse retiree de la preparation d'une pate de fibres

Country Status (6)

Country Link
US (1) US20240328089A1 (fr)
EP (1) EP4416330A1 (fr)
KR (1) KR20240072146A (fr)
CN (1) CN117940630A (fr)
CA (1) CA3227931A1 (fr)
WO (1) WO2023062277A1 (fr)

Family Cites Families (4)

* 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
FI127598B (en) * 2015-08-27 2018-09-28 Kemira Oyj A process for treating starch in pulp, paper and board manufacturing processes
CN109661493B (zh) * 2016-09-07 2021-11-16 凯米罗总公司 用于制造纸、纸板或类似物的方法和组合物的用途
US11535985B2 (en) * 2019-07-01 2022-12-27 Kemira Oyj Method for manufacture of paper or board and paper or board obtained by the method

Also Published As

Publication number Publication date
EP4416330A1 (fr) 2024-08-21
CN117940630A (zh) 2024-04-26
US20240328089A1 (en) 2024-10-03
KR20240072146A (ko) 2024-05-23
WO2023062277A1 (fr) 2023-04-20

Similar Documents

Publication Publication Date Title
AU2011295397B2 (en) Method for increasing the advantages of starch in pulped cellulosic material in the production of paper and paperboard
KR102618837B1 (ko) 펄프, 종이 및 판재 제조 공정에서 전분을 처리하는 방법
RU2700998C2 (ru) Полимерный продукт в форме частиц и его применение
EP3545130B1 (fr) Utilisation d'un produit polymère pour empêcher la formation de dépôts dans la fabrication de papier ou de carton
NO318122B1 (no) Fremgangsmate for fremstilling av papir
AU2005206565A1 (en) Process for making paper
SK285207B6 (sk) Spôsob výroby papiera alebo kartónu
US20240328089A1 (en) Method for reducing starch content of an aqueous phase removed from fibre stock preparation
AU2017322438B2 (en) Method for manufacture of paper, board or the like and use of the composition
AU2018382681B2 (en) Method for treating aqueous feed by dissolved gas flotation
EP2148001B1 (fr) Procédé de réduction en pate de matière cellulosique en presénce d'un polymère cationique
WO2023236185A1 (fr) Procédé de traitement de boues d'usine de papier ou de carton pour réutilisation