NO931206L - Fremgangsmaate til regulering av utfelling av organiske forurensninger i tremasse- og papirfremstillingssystemer - Google Patents

Fremgangsmaate til regulering av utfelling av organiske forurensninger i tremasse- og papirfremstillingssystemer

Info

Publication number
NO931206L
NO931206L NO93931206A NO931206A NO931206L NO 931206 L NO931206 L NO 931206L NO 93931206 A NO93931206 A NO 93931206A NO 931206 A NO931206 A NO 931206A NO 931206 L NO931206 L NO 931206L
Authority
NO
Norway
Prior art keywords
paper making
organic pollutants
tremass
regulating
exposure
Prior art date
Application number
NO93931206A
Other languages
English (en)
Other versions
NO931206D0 (no
Inventor
David Dale Dreisbach
Tien-Feng Ling
Original Assignee
Betz Europ 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 Europ Inc filed Critical Betz Europ Inc
Publication of NO931206D0 publication Critical patent/NO931206D0/no
Publication of NO931206L publication Critical patent/NO931206L/no

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)

Abstract

Fremgangsmåter til forebygging av utfelling av organiske forurensninger fra masse i masse- og papirfremstillingssystemer, hvorved masse- og papirfremstillings- systemet behandles med en virksom mengde av en hydrofobt modifisert, assosiativ polymer.
NO93931206A 1992-04-28 1993-03-31 Fremgangsmaate til regulering av utfelling av organiske forurensninger i tremasse- og papirfremstillingssystemer NO931206L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US87493992A 1992-04-28 1992-04-28

Publications (2)

Publication Number Publication Date
NO931206D0 NO931206D0 (no) 1993-03-31
NO931206L true NO931206L (no) 1993-10-29

Family

ID=25364903

Family Applications (1)

Application Number Title Priority Date Filing Date
NO93931206A NO931206L (no) 1992-04-28 1993-03-31 Fremgangsmaate til regulering av utfelling av organiske forurensninger i tremasse- og papirfremstillingssystemer

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
US6113738A (en) * 1998-03-16 2000-09-05 Nalco Chemical Company Use of additives to breakdown and stabilize wax during fiber recycle
ATE268212T1 (de) 1998-03-16 2004-06-15 Nalco Co Bei recycling von behandelten behältern nützliche verunreinigungs-dispergierungsmittel
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
CN104947491A (zh) 2006-07-26 2015-09-30 索理思科技开曼公司 用于在纸浆和纸张制造方法中控制树脂障碍和粘性物的疏水改性的聚[乙二醇]
DE602007013799D1 (de) * 2006-11-06 2011-05-19 Hercules Inc Kontrolle von harzablagerungen und klebenden verunreinigungen in zellstoff- und papierherstellungsverfahren
US8691052B2 (en) 2008-03-15 2014-04-08 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
CA2091272A1 (en) 1993-10-29
FI931912A0 (fi) 1993-04-28
NO931206D0 (no) 1993-03-31
EP0568229A1 (en) 1993-11-03
AU663170B2 (en) 1995-09-28
FI931912A (fi) 1993-10-29
AU3674393A (en) 1993-11-04

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