DE3683928D1 - Behandlung von waessrigen systemen. - Google Patents

Behandlung von waessrigen systemen.

Info

Publication number
DE3683928D1
DE3683928D1 DE8686308419T DE3683928T DE3683928D1 DE 3683928 D1 DE3683928 D1 DE 3683928D1 DE 8686308419 T DE8686308419 T DE 8686308419T DE 3683928 T DE3683928 T DE 3683928T DE 3683928 D1 DE3683928 D1 DE 3683928D1
Authority
DE
Germany
Prior art keywords
treatment
aqueous systems
carboxylic acid
acid group
chelant
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.)
Expired - Lifetime
Application number
DE8686308419T
Other languages
German (de)
English (en)
Inventor
Brian Greaves
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.)
WR Grace and Co Conn
WR Grace and Co
Original Assignee
WR Grace and Co Conn
WR Grace and Co
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 GB08526590A external-priority patent/GB2184109A/en
Application filed by WR Grace and Co Conn, WR Grace and Co filed Critical WR Grace and Co Conn
Application granted granted Critical
Publication of DE3683928D1 publication Critical patent/DE3683928D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
    • C23F11/08—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
  • Chemical Treatment Of Metals (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
DE8686308419T 1985-10-29 1986-10-29 Behandlung von waessrigen systemen. Expired - Lifetime DE3683928D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB08526590A GB2184109A (en) 1985-10-29 1985-10-29 The treatment of aqueous systems
GB08623464A GB2183624A (en) 1985-10-29 1986-09-30 Anti-corrosion treatment of aqueous systems

Publications (1)

Publication Number Publication Date
DE3683928D1 true DE3683928D1 (de) 1992-03-26

Family

ID=26289944

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686308419T Expired - Lifetime DE3683928D1 (de) 1985-10-29 1986-10-29 Behandlung von waessrigen systemen.

Country Status (6)

Country Link
EP (1) EP0225051B1 (fr)
AT (1) ATE72678T1 (fr)
AU (1) AU6456486A (fr)
CA (1) CA1332138C (fr)
DE (1) DE3683928D1 (fr)
ES (1) ES2038595T3 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4717542A (en) * 1987-01-23 1988-01-05 W. R. Grace & Co. Inhibiting corrosion of iron base metals
NZ226331A (en) * 1987-10-05 1991-08-27 Calgon Corp Method of inhibiting corrosion of metallic surfaces in aqueous systems using acrylic polymers and zinc ions; compositions therefor
EP0364030A1 (fr) * 1988-10-11 1990-04-18 Calgon Corporation Compositions synergiques et procédé pour l'inhibition de la corrosion de l'acier au carbone dans des systèmes aqueux
US5171477A (en) * 1991-05-31 1992-12-15 W. R. Grace & Co.-Conn. Corrosion inhibition in chelant solutions
ES2059273B1 (es) * 1993-02-09 1995-10-01 Miret Lab Composiciones dispersantes e inhibidoras de la incrustacion y/o de la corrosion en circuitos de aguas industriales.
US5518629A (en) * 1993-07-29 1996-05-21 Betz Laboratories, Inc. Methods for controlling scale formation in acqueous systems
WO2000039359A1 (fr) * 1998-12-29 2000-07-06 Calgon Corporation Compositions inhibitrices de corrosion et procedes de controle de la corrosion du metal dans des systemes de saumure
US8513176B2 (en) 2006-08-02 2013-08-20 Ch2O Incorporated Disinfecting and mineral deposit eliminating composition and methods
CN110158094A (zh) * 2019-07-11 2019-08-23 北京中天兰清环境科技有限公司 一种复合型高效无磷碳钢缓蚀剂的配方及制备方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3669901A (en) * 1970-10-22 1972-06-13 William Bruce Murray Corrosion inhibitor composition containing zinc, sulfamate, and phosphate ions
US3794603A (en) * 1972-01-17 1974-02-26 Sherwin Williams Co Zn++-benzotriazole-h2so4 corrosioninhibitor
AU452099B2 (en) * 1972-08-02 1974-08-29 Applied Chemicals Pty. Limited Aqueous corrosion inhibiting compositions
DE2333353C2 (de) * 1973-06-30 1983-05-19 Bayer Ag, 5090 Leverkusen Verfahren zur Verhinderung von Korrosion in wasserführenden Systemen und Korrosionsschutzmittel zur Durchführung des Verfahrens
US4018701A (en) * 1975-07-31 1977-04-19 Calgon Corporation Phosphorous acid and zinc corrosion inhibiting compositions and methods for using same
US4042451A (en) * 1975-08-05 1977-08-16 M&T Chemicals Inc. Selected stripping of nickel-iron alloys from ferrous substrates
DK231879A (da) * 1978-06-05 1979-12-06 Calgon Corp Fremgangsmaade til korrosionsinhibering og middel til brug ved udoevelse af fremgangsmaaden
GB2118159B (en) * 1982-04-20 1985-09-04 Dearborn Chemicals Ltd The treatment of aqueous systems

Also Published As

Publication number Publication date
ATE72678T1 (de) 1992-03-15
ES2038595T3 (es) 1993-08-01
EP0225051A1 (fr) 1987-06-10
EP0225051B1 (fr) 1992-02-19
AU6456486A (en) 1987-04-30
CA1332138C (fr) 1994-09-27

Similar Documents

Publication Publication Date Title
ATE79261T1 (de) Verfahren zur behandlung von magen-darmstoerungen.
DE68921948D1 (de) System und Verfahren zur Erkennung und Behandlung von ventrikulären Arrhythmien.
ATE244204T1 (de) Verfahren und vorrichtung zur vor-ort- halogenbehandlung von wässrigen lösungen
ATE28980T1 (de) Zusammenstellung zur behandlung von acne vulgaris.
DE3687512D1 (de) Verfahren und vorrichtung zur behandlung von schlaemmen.
DE3683928D1 (de) Behandlung von waessrigen systemen.
DE3674549D1 (de) Mittel zur bestimmung von peroxidase-aktivitaet mit stabilisator, verfahren zur herstellung und seine verwendung.
ATE7885T1 (de) Verfahren zur chemischen aufbereitung und entkeimung von waessern und wassersystemen.
SE8106839L (sv) Forfarande for dispergering av partikelformigt material i vattenhaltiga system
NZ217571A (en) Treatment of liquids with ethylene copolymer to remove metal ions; copolymers of ethylene with 1-chloro-2-hydroxypropyl-trimethyl ammonium acrylate
ATE202935T1 (de) Verfahren zur behandlung von haarausfall
ATE12591T1 (de) Verfahren zur herstellung von mikrokapseln.
DE3879382D1 (de) Verfahren zur aufbereitung von abfalloesungen von sauren dekontaminationschemikalien.
DE3673768D1 (de) Mittel zur bestimmung von peroxidase-aktivitaet, verfahren zur herstellung und seine verwendung.
DE3781279D1 (de) Verfahren zur behandlung von blut.
DE3880566D1 (de) Verfahren zur isomerisierung von trans-2-methylspiro-(1,3-oxathiolan-5,3')-chinuklidin oder saeureadditionsalzen davon.
DE69417876D1 (de) Verfahren zur bekämpfung von wirbellosen tieren
ES8606419A1 (es) Mejoras introducidas en un procedimiento de fabricacion de polimeros olefinicos.
ATE133420T1 (de) Verfahren zur herstellung von n- phosphonomethylglyzin
JPS53109871A (en) Treating method for sludge by-product formed in chemical treatment of zinc phosphate film
DE68901690D1 (de) Verfahren zur bekaempfung von kesselstein in waesserigen systemen mittels polymeren vom typ quaternaeres ammoniummaleinsaeureanhydrid.
GR1000610B (el) Μεθοδος παρασκευης τροποποιημενων πολυμερων ακρυλαμιδης.
DE68905614D1 (de) Verfahren zur behandlung von polymerisatloesungen.
ATE88681T1 (de) Verfahren zur verhinderung des wachstums von kleinlebewesen in waessrigen fluessigkeiten.
ATE45168T1 (de) Behandlung von waessrigen suspensionen von vinylchloridpolymeren.

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee