ZA959830B - Process for reducing contamination of cellulosic liquors - Google Patents

Process for reducing contamination of cellulosic liquors

Info

Publication number
ZA959830B
ZA959830B ZA959830A ZA959830A ZA959830B ZA 959830 B ZA959830 B ZA 959830B ZA 959830 A ZA959830 A ZA 959830A ZA 959830 A ZA959830 A ZA 959830A ZA 959830 B ZA959830 B ZA 959830B
Authority
ZA
South Africa
Prior art keywords
cellulosic
liquors
reducing contamination
stickies
ionisable
Prior art date
Application number
ZA959830A
Other languages
English (en)
Inventor
Paul Kenneth Cutts
Anthony John Burke
Original Assignee
Allied Colloids Ltd
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 Allied Colloids Ltd filed Critical Allied Colloids Ltd
Publication of ZA959830B publication Critical patent/ZA959830B/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
    • C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
    • C08F220/10—Esters
    • C08F220/12—Esters of monohydric alcohols or phenols
    • C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
    • C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
    • C08F220/1808—C8-(meth)acrylate, e.g. isooctyl (meth)acrylate or 2-ethylhexyl (meth)acrylate
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S162/00—Paper making and fiber liberation
    • Y10S162/04—Pitch control
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S210/00—Liquid purification or separation
    • Y10S210/928—Paper mill waste, e.g. white water, black liquor treated

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Wood Science & Technology (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Paper (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Distillation Of Fermentation Liquor, Processing Of Alcohols, Vinegar And Beer (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Soy Sauces And Products Related Thereto (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Colloid Chemistry (AREA)
  • Laminated Bodies (AREA)
  • Reinforced Plastic Materials (AREA)
  • Detergent Compositions (AREA)
ZA959830A 1994-11-21 1995-11-20 Process for reducing contamination of cellulosic liquors ZA959830B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9423452A GB9423452D0 (en) 1994-11-21 1994-11-21 Processes for reducing contamination of cellulosic liquors

Publications (1)

Publication Number Publication Date
ZA959830B true ZA959830B (en) 1996-11-20

Family

ID=10764732

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA959830A ZA959830B (en) 1994-11-21 1995-11-20 Process for reducing contamination of cellulosic liquors

Country Status (19)

Country Link
US (1) US5744043A (xx)
EP (1) EP0793749B1 (xx)
JP (1) JP3766099B2 (xx)
KR (1) KR100403213B1 (xx)
AT (1) ATE172763T1 (xx)
AU (1) AU705606B2 (xx)
BR (1) BR9509738A (xx)
CA (1) CA2206897C (xx)
DE (1) DE69505696T2 (xx)
DK (1) DK0793749T3 (xx)
ES (1) ES2124027T3 (xx)
FI (1) FI113188B (xx)
GB (1) GB9423452D0 (xx)
IL (1) IL116036A (xx)
NO (1) NO321657B1 (xx)
NZ (1) NZ295422A (xx)
TW (1) TW417000B (xx)
WO (1) WO1996016224A1 (xx)
ZA (1) ZA959830B (xx)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9423454D0 (en) * 1994-11-21 1995-01-11 Allied Colloids Ltd Deinking processes and novel polymers for use in these
US6425982B1 (en) 2001-03-06 2002-07-30 Voith Paper, Inc. System for removing bleed-throughs from old corrugated container fiber pulp
US6589389B2 (en) 2001-09-26 2003-07-08 Voith Paper, Inc. Test method for determining bleed-throughs in old corrugated container fiber pulp
ES2564391T3 (es) * 2008-07-23 2016-03-22 Solenis Technologies Cayman, L.P. Pulpación de material celulósico en presencia de un polímero catiónico
PL2462278T3 (pl) 2009-08-03 2020-07-27 Archroma Ip Gmbh Sposób redukcji negatywnego wpływu lepkich zanieczyszczeń w układach zawierających makulaturę
CN103074793B (zh) * 2013-01-22 2015-04-22 陕西科技大学 一种置换蒸煮方法

Family Cites Families (12)

* 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
AU563372B2 (en) * 1982-12-16 1987-07-09 Celanese Corporation Crosslinked microgel particles
EP0202780B2 (en) * 1985-04-25 1998-12-09 Ciba Specialty Chemicals Water Treatments Limited Flocculation processes
US5132023A (en) * 1988-12-19 1992-07-21 American Cyanamid Company Emulsified mannich acrylamide polymers
US4968435A (en) * 1988-12-19 1990-11-06 American Cyanamid Company Cross-linked cationic polymeric microparticles
CA2040337C (en) * 1990-06-22 2003-10-14 Carol S. Greer Process for control of pitch deposition from pulps in papermarking systems
US5139616A (en) * 1991-05-29 1992-08-18 Betz Paperchem, Inc. Reduction of stickers contamination in papermaking process using recycled paper
US5433824A (en) * 1993-02-26 1995-07-18 Calgon Corporation Melamine-formaldehyde polymer for controlling stickies
US5266166A (en) * 1992-05-18 1993-11-30 Betz Paperchem, Inc. Methods for controlling the deposition of organic contaminants in pulp and papermaking processes using a polyalkylene oxide/vinyl acetate graft copolymer
US5435922A (en) * 1993-06-14 1995-07-25 Nalco Chemical Company Method of removing color from waste water using an aqueous dispersion polymer
US5431783A (en) * 1993-07-19 1995-07-11 Cytec Technology Corp. Compositions and methods for improving performance during separation of solids from liquid particulate dispersions
US5380444A (en) * 1994-02-23 1995-01-10 Cytec Technology Corp. Ampholytic polymers and polymeric microemulsions

Also Published As

Publication number Publication date
JP3766099B2 (ja) 2006-04-12
IL116036A0 (en) 1996-01-31
AU3875895A (en) 1996-06-17
FI972162A0 (fi) 1997-05-21
ATE172763T1 (de) 1998-11-15
TW417000B (en) 2001-01-01
DK0793749T3 (da) 1999-07-12
US5744043A (en) 1998-04-28
NO972329D0 (no) 1997-05-21
NZ295422A (en) 1999-02-25
NO972329L (no) 1997-07-18
KR100403213B1 (ko) 2003-12-31
IL116036A (en) 1999-09-22
BR9509738A (pt) 1997-10-21
WO1996016224A1 (en) 1996-05-30
EP0793749A1 (en) 1997-09-10
CA2206897A1 (en) 1996-05-30
DE69505696T2 (de) 1999-03-18
ES2124027T3 (es) 1999-01-16
CA2206897C (en) 2005-01-11
KR960017537A (ko) 1996-06-17
FI113188B (fi) 2004-03-15
DE69505696D1 (de) 1998-12-03
EP0793749B1 (en) 1998-10-28
AU705606B2 (en) 1999-05-27
MX9703794A (es) 1998-05-31
GB9423452D0 (en) 1995-01-11
NO321657B1 (no) 2006-06-19
FI972162A (fi) 1997-07-18

Similar Documents

Publication Publication Date Title
FR2604198B1 (fr) Procede de traitement d'une pate papetiere par une solution enzymatique.
AU1793392A (en) Process, using enhanced-action laccase enzymes, for the delignification or bleaching of lignocellulose-containing material or for the treatment of waste water
KR900018470A (ko) 고지의 생물학적 탈묵에 의한 재생방법
ATE111987T1 (de) Verfahren zur enzymatischen entfärbung.
AU533905B2 (en) Process for reclaiming waste paper
DK0740718T3 (da) Fremgangsmåder til afsværtning
FI942639A0 (fi) Menetelmä ja entsyymivalmiste selluloosamassojen käsittelemiseksi
ZA959830B (en) Process for reducing contamination of cellulosic liquors
BR9915044A (pt) Processo para a produção de polpa a partir dematerial contendo lignocelulose
SE9700704D0 (sv) Cooking with spent liquor pretreatment of cellulose material
SE9201441D0 (sv) A method for the use of enzymes in processing and bleaching of paper pulp, and apparatus for use thereof
ATE36565T1 (de) Peroxydbleichverfahren fuer cellulose enthaltendes material.
SE9401628D0 (sv) Förfarande vid syrgasdelignifiering
TH20476B (th) กรรมวิธีสำหรับการลดสารปนเปื้อนของน้ำล้างเยื่อที่เป็นเซลลูโลส