CA2091272A1 - Methods for controlling the deposition of organic contaminants in pulp and papermaking processes - Google Patents

Methods for controlling the deposition of organic contaminants in pulp and papermaking processes

Info

Publication number
CA2091272A1
CA2091272A1 CA002091272A CA2091272A CA2091272A1 CA 2091272 A1 CA2091272 A1 CA 2091272A1 CA 002091272 A CA002091272 A CA 002091272A CA 2091272 A CA2091272 A CA 2091272A CA 2091272 A1 CA2091272 A1 CA 2091272A1
Authority
CA
Canada
Prior art keywords
polymer
associative
hydrophobically
hydrophobically modified
polyethylene oxide
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
CA002091272A
Other languages
English (en)
French (fr)
Inventor
David D. Dreisbach
Tien-Feng Ling
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.)
Hercules LLC
Original Assignee
Betz Laboratories Inc
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 Betz Laboratories Inc filed Critical Betz Laboratories Inc
Publication of CA2091272A1 publication Critical patent/CA2091272A1/en
Abandoned 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
    • D21C9/08—Removal of fats, resins, pitch or waxes; Chemical or physical purification, i.e. refining, of crude cellulose by removing non-cellulosic contaminants, optionally combined with bleaching
    • D21C9/086—Removal of fats, resins, pitch or waxes; Chemical or physical purification, i.e. refining, of crude cellulose by removing non-cellulosic contaminants, optionally combined with bleaching with organic compounds or compositions comprising organic compounds
    • 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
    • D21H21/02—Agents for preventing deposition on the paper mill equipment, e.g. pitch or slime control

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
CA002091272A 1992-04-28 1993-03-09 Methods for controlling the deposition of organic contaminants in pulp and papermaking processes Abandoned CA2091272A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US87493992A 1992-04-28 1992-04-28
US07/874,939 1992-04-28

Publications (1)

Publication Number Publication Date
CA2091272A1 true CA2091272A1 (en) 1993-10-29

Family

ID=25364903

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002091272A Abandoned CA2091272A1 (en) 1992-04-28 1993-03-09 Methods for controlling the deposition of organic contaminants in pulp and papermaking processes

Country Status (5)

Country Link
EP (1) EP0568229A1 (no)
AU (1) AU663170B2 (no)
CA (1) CA2091272A1 (no)
FI (1) FI931912A (no)
NO (1) NO931206L (no)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2131143A1 (en) * 1993-10-07 1995-04-08 Betzdearborn Inc. Method of inhibiting wet strength resin deposition in papermaking felts
ATE268212T1 (de) * 1998-03-16 2004-06-15 Nalco Co Bei recycling von behandelten behältern nützliche verunreinigungs-dispergierungsmittel
US6113738A (en) * 1998-03-16 2000-09-05 Nalco Chemical Company Use of additives to breakdown and stabilize wax during fiber recycle
US7166192B2 (en) * 2003-05-23 2007-01-23 Hercules Incorporated Method for controlling pitch and stickies deposition
US7534324B2 (en) * 2005-06-24 2009-05-19 Hercules Incorporated Felt and equipment surface conditioner
EP2044263B1 (en) 2006-07-26 2016-09-07 Solenis Technologies Cayman, L.P. Method for pitch and stickies control in pulp and papermaking processes, using hydrophobically modified poly(ethylene glycol)
ATE504689T1 (de) * 2006-11-06 2011-04-15 Hercules Inc Kontrolle von harzablagerungen und klebenden verunreinigungen in zellstoff- und papierherstellungsverfahren
EP2254939B1 (en) 2008-03-15 2012-09-26 Hercules Incorporated Clay slurries and use thereof in pulp and papermaking applications
US8048268B2 (en) 2009-10-27 2011-11-01 Enzymatic Deinking Technologies, Llc Method of controlling organic contaminants in pulp and paper making processes
US8728275B2 (en) * 2012-07-27 2014-05-20 Ecolab Usa Inc. Glycerol-based polymers for reducing deposition of organic contaminants in papermaking processes
US9416490B2 (en) 2010-03-10 2016-08-16 Nalco Company Cross-linked glycerol based polymers as digestion aids for improving wood pulping processes
CN103422382A (zh) 2012-05-21 2013-12-04 埃科莱布美国股份有限公司 在制浆和造纸过程中有机污染物去粘性的方法及组合物

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3992249A (en) * 1974-04-08 1976-11-16 American Cyanamid Company Control of pulp-paper mill pitch deposits
US4886575A (en) * 1985-10-08 1989-12-12 Betz Laboratories, Inc. Detackification of adhesive materials contained in secondary fiber with polyvinyl alcohol
US4846933A (en) * 1986-06-03 1989-07-11 Betz Laboratories, Inc. Process for controlling pitch deposition from pulp in papermaking systems
US4861429A (en) * 1988-07-29 1989-08-29 Betz Laboratories, Inc. Process for inhibiting white pitch deposition in papermaking felts

Also Published As

Publication number Publication date
NO931206D0 (no) 1993-03-31
EP0568229A1 (en) 1993-11-03
AU3674393A (en) 1993-11-04
NO931206L (no) 1993-10-29
FI931912A (fi) 1993-10-29
FI931912A0 (fi) 1993-04-28
AU663170B2 (en) 1995-09-28

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Discontinued