DK0628518T3 - Fremgangsmåde til at hindre dannelse af oxalatkedelsten - Google Patents

Fremgangsmåde til at hindre dannelse af oxalatkedelsten

Info

Publication number
DK0628518T3
DK0628518T3 DK94870087T DK94870087T DK0628518T3 DK 0628518 T3 DK0628518 T3 DK 0628518T3 DK 94870087 T DK94870087 T DK 94870087T DK 94870087 T DK94870087 T DK 94870087T DK 0628518 T3 DK0628518 T3 DK 0628518T3
Authority
DK
Denmark
Prior art keywords
preventing formation
oxalate
ppm
scales
inhibitors
Prior art date
Application number
DK94870087T
Other languages
Danish (da)
English (en)
Inventor
Krzysztof Kuczynski
Original Assignee
Solutia Europ Nv Sa
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
Priority claimed from EP93870111A external-priority patent/EP0629585A1/de
Application filed by Solutia Europ Nv Sa filed Critical Solutia Europ Nv Sa
Application granted granted Critical
Publication of DK0628518T3 publication Critical patent/DK0628518T3/da

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
    • C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
    • C02F5/10—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances
    • C02F5/14—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances containing phosphorus
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
    • C07F9/02—Phosphorus compounds
    • C07F9/28—Phosphorus compounds with one or more P—C bonds
    • C07F9/38—Phosphonic acids [RP(=O)(OH)2]; Thiophosphonic acids ; [RP(=X1)(X2H)2(X1, X2 are each independently O, S or Se)]
    • C07F9/3804—Phosphonic acids [RP(=O)(OH)2]; Thiophosphonic acids ; [RP(=X1)(X2H)2(X1, X2 are each independently O, S or Se)] not used, see subgroups
    • C07F9/3808—Acyclic saturated acids which can have further substituents on alkyl
    • C07F9/3817—Acids containing the structure (RX)2P(=X)-alk-N...P (X = O, S, Se)

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Hydrology & Water Resources (AREA)
  • General Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Health & Medical Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Biochemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Paper (AREA)
  • Treating Waste Gases (AREA)
  • Lubricants (AREA)
  • Polyamides (AREA)
DK94870087T 1993-06-14 1994-05-24 Fremgangsmåde til at hindre dannelse af oxalatkedelsten DK0628518T3 (da)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP93870111A EP0629585A1 (de) 1993-06-14 1993-06-14 Verfahren zur Verhinderung von Oxalatablagerungen
EP94870087A EP0628518B1 (de) 1993-06-14 1994-05-24 Verfahren zur Verhinderung von Oxalatablagerungen
US08/257,855 US5490942A (en) 1993-06-14 1994-06-10 Process of inhibiting oxalate scale formation

Publications (1)

Publication Number Publication Date
DK0628518T3 true DK0628518T3 (da) 2001-12-17

Family

ID=27235604

Family Applications (1)

Application Number Title Priority Date Filing Date
DK94870087T DK0628518T3 (da) 1993-06-14 1994-05-24 Fremgangsmåde til at hindre dannelse af oxalatkedelsten

Country Status (6)

Country Link
US (1) US5490942A (de)
EP (1) EP0628518B1 (de)
AT (1) ATE205460T1 (de)
DE (1) DE69428230T2 (de)
DK (1) DK0628518T3 (de)
ES (1) ES2163427T3 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE9603029D0 (sv) * 1996-08-20 1996-08-20 Svenska Traeforskningsinst Method for lowering the level of oxalic acid
MY138251A (en) * 2001-06-06 2009-05-29 Thermphos Trading Gmbh Method for inhibiting calcium salt scale
ATE492682T1 (de) * 2001-06-06 2011-01-15 Dequest Ag Verfahren und wässerige zusammensetzung zur herstellung von verbessertem zellstoff
MY129053A (en) * 2001-06-06 2007-03-30 Thermphos Trading Gmbh Composition for inhibiting calcium salt scale
ITMI20021706A1 (it) * 2002-07-31 2004-02-01 Bozzetto Giovanni Spa Poliamminomeilenfosfono derivati.
US7807021B2 (en) * 2006-06-21 2010-10-05 Blackstone Michael M Compositions and processes to increase pulp yield, reduce extractives, and reduce scaling in a chemical pulping process
US20100197545A1 (en) * 2009-01-30 2010-08-05 Ecolab USA High alkaline detergent composition with enhanced scale control

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3434969A (en) * 1967-08-11 1969-03-25 Calgon Corp Scale inhibiting
US3619427A (en) * 1970-06-22 1971-11-09 Textilana Corp Methods of scale inhibition using polyalkylene polyamino polykis methylene phosphonic acids and their salts
US4872995A (en) * 1983-10-26 1989-10-10 Betz Laboratories, Inc. Method for calcium oxalate scale control
US4575425A (en) * 1984-12-24 1986-03-11 Calgon Corporation Process for controlling calcium oxalate scale over a wide pH range
DE3526640A1 (de) * 1985-07-25 1987-01-29 Benckiser Knapsack Gmbh Korrosions- und steinschutzmittel fuer brauchwassersysteme
US4804476A (en) * 1987-10-23 1989-02-14 Calgon Corporation Process for controlling calcium oxalate scale over a wide pH range
EP0479462B1 (de) * 1990-10-04 1995-11-08 Britoil Plc Verfahren zur Bekämpfung der Kesselsteinbildung
GB2248830A (en) * 1990-10-04 1992-04-22 Britoil Plc Method for inhibiting scale formation
US5338477A (en) * 1991-05-31 1994-08-16 Calgon Corporation Polyether polyamino methylene phosphonates for high pH scale control
AU2701392A (en) * 1991-10-15 1993-04-22 Calgon Corporation Method for controlling calcium sulfate scaling in metal mining circuits

Also Published As

Publication number Publication date
DE69428230D1 (de) 2001-10-18
DE69428230T2 (de) 2002-06-27
EP0628518A1 (de) 1994-12-14
ES2163427T3 (es) 2002-02-01
US5490942A (en) 1996-02-13
ATE205460T1 (de) 2001-09-15
EP0628518B1 (de) 2001-09-12

Similar Documents

Publication Publication Date Title
DE69130712D1 (de) Verhütung von Kieselsäureablagerungen
EP0157552A3 (en) Carboxylic/sulfonic/quaternary ammonium polymers for use as scale and corrosion inhibitors
DE69217580D1 (de) Polyether-Polyamino-Methylenphosphonaten zur Kontrolle von Ablagerungen bei hohem pH-Wert
ATE156460T1 (de) Überwachung von ablagerungen und härte
MY102547A (en) Composition and method for inhibiting scale.
DE68903070D1 (de) Verfahren zur kesselsteinbekaempfung mittels allylsulfonat-maleinsaeureanhydridpolymeren.
SE8105600L (sv) Behandling av vattenbaserade system
CA2162518A1 (en) Polyether polyamino methylene phosphonates for high ph scale control
DK0628518T3 (da) Fremgangsmåde til at hindre dannelse af oxalatkedelsten
ATE111535T1 (de) Korrosionskontrolle in wässrigen systemen durch bestimmte phosphonomethylaminoxide.
DE69225669D1 (de) Zusammensetzung und Verfahren zur Kesselstein- und Korrosionsinhibierung, unter Verwendung von Naphtylaminpolykarbonsäuren
DE68910655D1 (de) Kesselsteinverhütung.
MX9301755A (es) N, n-bis(fosfonometil)-2-amino-1-propanol, derivados y alquilo inferior-eteres correspondientes y sus n-oxidos para control de incrustaciones en alto ph.
DE69001065D1 (de) Verhinderung von ablagerungen in waesserigen systemen durch bestimmte phosphonomethylaminoxide.
DK150787A (da) Fremgangsmaade til forbedring af egenskaberne af korrosionhibitorer
ATE441655T1 (de) Polyaminomethylenphosphonat-derivate
ATE76857T1 (de) Verfahren zum kontrollieren von kalziumoxalatablagerungen in einem ausgedehnten ph-bereich.
CA2124599A1 (en) Process of inhibition oxalate scale formation
NO812950L (no) Forbedringer i forbindelse med aminometylenfosforsyreopploesninger
NO885551L (no) Korrosjonsinhiberende systemer, produkter inneholdende restmengder av slike systemer og fremgangsmaater for fremstilling derav.
DE68907393D1 (de) Verfahren zur sauerstoffbeseitigung und zurverhinderung der kruestenbildung in heizkesseln.
DE68901690D1 (de) Verfahren zur bekaempfung von kesselstein in waesserigen systemen mittels polymeren vom typ quaternaeres ammoniummaleinsaeureanhydrid.
DE68906124D1 (de) Korrosionsinhibierung in waessrigen systemen.
MX9604570A (es) Un sistema acuoso que contiene una combinacion sinergistica para el control de incrustaciones de fosfato.
ATE158347T1 (de) Verfahren zur inhibierung von inkrustation und korrosion in wässrigen kühlsysteme