EP1243693A3 - Process for loading fibers from a fibrous suspension with an additive - Google Patents

Process for loading fibers from a fibrous suspension with an additive Download PDF

Info

Publication number
EP1243693A3
EP1243693A3 EP02002736A EP02002736A EP1243693A3 EP 1243693 A3 EP1243693 A3 EP 1243693A3 EP 02002736 A EP02002736 A EP 02002736A EP 02002736 A EP02002736 A EP 02002736A EP 1243693 A3 EP1243693 A3 EP 1243693A3
Authority
EP
European Patent Office
Prior art keywords
additive
fibrous suspension
loading fibers
fibers
suspension
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.)
Granted
Application number
EP02002736A
Other languages
German (de)
French (fr)
Other versions
EP1243693A2 (en
EP1243693B1 (en
Inventor
Klaus Dölle
Oliver Heise
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.)
Voith Patent GmbH
Original Assignee
Voith Paper Patent GmbH
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 Voith Paper Patent GmbH filed Critical Voith Paper Patent GmbH
Publication of EP1243693A2 publication Critical patent/EP1243693A2/en
Publication of EP1243693A3 publication Critical patent/EP1243693A3/en
Application granted granted Critical
Publication of EP1243693B1 publication Critical patent/EP1243693B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • D21C9/001—Modification of pulp properties
    • D21C9/002—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives
    • D21C9/004—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives inorganic compounds
    • 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
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/147—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications
    • D21C9/153—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications with ozone
    • 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
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/16—Bleaching ; Apparatus therefor with per compounds
    • D21C9/163—Bleaching ; Apparatus therefor with per compounds with peroxides

Abstract

Treatment of fibers in a suspension with auxiliaries by chemical precipitation reaction involves addition of (i) Ca(OH)2 and/or CaO and also (ii) a bleach before the precipitation reaction is completed.
EP02002736A 2001-03-22 2002-02-07 Process for loading fibers from a fibrous suspension with an additive Expired - Lifetime EP1243693B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10113998 2001-03-22
DE10113998A DE10113998A1 (en) 2001-03-22 2001-03-22 Method for loading fibers contained in a fiber suspension with an auxiliary

Publications (3)

Publication Number Publication Date
EP1243693A2 EP1243693A2 (en) 2002-09-25
EP1243693A3 true EP1243693A3 (en) 2003-12-10
EP1243693B1 EP1243693B1 (en) 2006-04-26

Family

ID=7678539

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02002736A Expired - Lifetime EP1243693B1 (en) 2001-03-22 2002-02-07 Process for loading fibers from a fibrous suspension with an additive

Country Status (3)

Country Link
EP (1) EP1243693B1 (en)
AT (1) ATE324484T1 (en)
DE (2) DE10113998A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10317722A1 (en) * 2003-04-17 2004-11-11 Voith Paper Patent Gmbh Introducing calcium carbonate into cellulosic fiber suspension, adds calcium hydroxide, de-waters and injects carbon dioxide to precipitate carbonate in moist suspension
DE10335751A1 (en) * 2003-08-05 2005-03-03 Voith Paper Patent Gmbh Method for loading a pulp suspension and arrangement for carrying out the method
DE10351292A1 (en) * 2003-10-31 2006-02-02 Voith Paper Patent Gmbh Method for loading a pulp suspension and arrangement for carrying out the method
FI126072B (en) 2013-03-18 2016-06-15 Linde Ag Fiber filling method

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5223090A (en) * 1991-03-06 1993-06-29 The United States Of America As Represented By The Secretary Of Agriculture Method for fiber loading a chemical compound
WO1997001670A1 (en) * 1995-06-29 1997-01-16 Metsä-Serla Oy Filler for use in paper manufacture and procedure for producing a filler
WO1998035095A1 (en) * 1997-02-11 1998-08-13 Minerals Technologies Inc. Lumen loading of mineral filler into cellulose fibers for papermaking
WO1999055964A1 (en) * 1998-04-27 1999-11-04 Akzo Nobel N.V. A process for the production of paper
WO2001004415A1 (en) * 1999-07-09 2001-01-18 Linde Gas Ag Method for eliminating detrimental substances in a process liquid
EP1076132A1 (en) * 1999-08-13 2001-02-14 Fort James France Process for fixing of mineral filler on cellulosic fibres and paper manufacturing process
WO2002000999A1 (en) * 2000-06-27 2002-01-03 International Paper Company Method to manufacture paper using fiber filler complexes

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5223090A (en) * 1991-03-06 1993-06-29 The United States Of America As Represented By The Secretary Of Agriculture Method for fiber loading a chemical compound
WO1997001670A1 (en) * 1995-06-29 1997-01-16 Metsä-Serla Oy Filler for use in paper manufacture and procedure for producing a filler
WO1998035095A1 (en) * 1997-02-11 1998-08-13 Minerals Technologies Inc. Lumen loading of mineral filler into cellulose fibers for papermaking
WO1999055964A1 (en) * 1998-04-27 1999-11-04 Akzo Nobel N.V. A process for the production of paper
WO2001004415A1 (en) * 1999-07-09 2001-01-18 Linde Gas Ag Method for eliminating detrimental substances in a process liquid
EP1076132A1 (en) * 1999-08-13 2001-02-14 Fort James France Process for fixing of mineral filler on cellulosic fibres and paper manufacturing process
WO2002000999A1 (en) * 2000-06-27 2002-01-03 International Paper Company Method to manufacture paper using fiber filler complexes

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
J.H.KLUNGNESS ET AL: "Effect of fiber loading on paper properties", TAPPI JOURNAL, vol. 79, no. 3, 1996, pages 297 - 301, XP001152897 *

Also Published As

Publication number Publication date
EP1243693A2 (en) 2002-09-25
DE50206517D1 (en) 2006-06-01
EP1243693B1 (en) 2006-04-26
DE10113998A1 (en) 2002-09-26
ATE324484T1 (en) 2006-05-15

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