FR1560784A - - Google Patents

Info

Publication number
FR1560784A
FR1560784A FR1560784DA FR1560784A FR 1560784 A FR1560784 A FR 1560784A FR 1560784D A FR1560784D A FR 1560784DA FR 1560784 A FR1560784 A FR 1560784A
Authority
FR
France
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
Application number
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 filed Critical
Application granted granted Critical
Publication of FR1560784A publication Critical patent/FR1560784A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
    • B01J2/30—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic using agents to prevent the granules sticking together; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
    • 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
    • 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
    • C23F14/00—Inhibiting incrustation in apparatus for heating liquids for physical or chemical purposes
    • C23F14/02—Inhibiting incrustation in apparatus for heating liquids for physical or chemical purposes by chemical means
FR1560784D 1967-04-21 1968-03-27 Expired FR1560784A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US63255867A 1967-04-21 1967-04-21

Publications (1)

Publication Number Publication Date
FR1560784A true FR1560784A (fr) 1969-03-21

Family

ID=24535991

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1560784D Expired FR1560784A (fr) 1967-04-21 1968-03-27

Country Status (7)

Country Link
US (1) US3514376A (fr)
DE (1) DE1642463A1 (fr)
ES (1) ES352100A1 (fr)
FR (1) FR1560784A (fr)
GB (1) GB1218952A (fr)
IL (1) IL29457A (fr)
NL (1) NL6802451A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0120983A1 (fr) * 1983-03-31 1984-10-10 The B.F. GOODRICH Company Agent inhibant la formation de tartre dans un système de purification d'eau par osmose inverse
EP0516357A1 (fr) * 1991-05-31 1992-12-02 Calgon Corporation Mélange de polymères anionique/cationique pour l'inhibition de tartre

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3890228A (en) * 1973-04-13 1975-06-17 Chemed Corp Polyacrylate-polyphosphonic acid treatment in aqueous systems
US4008164A (en) * 1974-03-21 1977-02-15 Nalco Chemical Company Process for scale inhibition
US4204953A (en) * 1974-04-30 1980-05-27 Ciba-Geigy Limited Process for alkaline scaling
US3965028A (en) * 1974-07-31 1976-06-22 Uniroyal Inc. Bisulfite terminated oligomers to prevent scale
US4086146A (en) * 1975-11-12 1978-04-25 W. R. Grace & Co. Water treating process
DK127378A (da) * 1977-03-28 1978-09-29 Saarberg Hoelter Fremgangsmaade til forhindring af belaegninger paa overflader som er i kontakt med vandige vaesker indeholdende til udkrystallisation tilboejelige stoffer
US4277359A (en) * 1979-04-04 1981-07-07 Mogul Corporation Water treatment to inhibit corrosion and scale and process
US4255309A (en) * 1979-08-16 1981-03-10 Betz Laboratories, Inc. Polyacrylic acids and methyl vinyl ether/maleic anhydride copolymers as soft scale inhibitors
US4263092A (en) * 1979-08-16 1981-04-21 Betz Laboratories, Inc. Method for treating black liquor using acrylic acid polymer
US4457847B2 (en) * 1981-11-05 1996-12-31 Nalco Chemical Co Carboxylate polymers for internal scale control agents in boiler systems
NL8320391A (nl) * 1982-11-19 1984-09-03 Mogul Corp Werkwijze voor het voorkomen van magnesium- en calcium(houdende) afzettingen in ontzoutingsapparaten.
US4936987A (en) * 1983-03-07 1990-06-26 Calgon Corporation Synergistic scale and corrosion inhibiting admixtures containing carboxylic acid/sulfonic acid polymers
EP0121631B1 (fr) * 1983-04-12 1988-08-10 Chemed Corporation Procédé pour enlever le tartre
US4566974A (en) * 1983-06-28 1986-01-28 The B. F. Goodrich Company Method of inhibiting scale with copolymer
US4499002A (en) * 1983-06-28 1985-02-12 The B. F. Goodrich Company Scale inhibiting copolymer
US4640793A (en) * 1984-02-14 1987-02-03 Calgon Corporation Synergistic scale and corrosion inhibiting admixtures containing carboxylic acid/sulfonic acid polymers
US4634532A (en) * 1984-05-12 1987-01-06 Calgon Corporation Orthophosphate-containing desalination scale inhibitors
US4925568A (en) * 1986-08-15 1990-05-15 Calgon Corporation Polyacrylate blends as boiler scale inhibitors
DE3809663A1 (de) * 1988-03-23 1989-10-12 Metallgesellschaft Ag Verfahren zur verminderung von ablagerungen in anlagen zur eindampfung von sulfitablaugen
US4894169A (en) * 1988-04-04 1990-01-16 Merck & Co., Inc. Method of inhibiting iron salt deposition in aqueous systems using urea salts
DE3915772A1 (de) * 1989-05-13 1990-11-15 Basf Ag Verwendung von wasserloeslichen copolymerisaten aus monoethylenisch ungesaettigten carbonsaeuren und vinylimidazol(derivaten) als wasserhandlungsmittel
US5164468A (en) * 1990-09-05 1992-11-17 The Standard Oil Company Polymers derived from α, β-unsaturated polycarboxylic acids or anhydrides and n-substituted acrylamides, and use in reducing scale
US5453204A (en) * 1994-07-15 1995-09-26 Alberty; John R. Treatment of hydrolyzer systems in propylene oxide production
DE4431546A1 (de) * 1994-09-05 1996-03-07 Jakob Dr Ing Hois Verfahren und Vorrichtung zum Entsalzen von Meerwasser
DE19634177A1 (de) * 1996-08-23 1998-02-26 Basf Ag Verfahren zur gemeinsamen Reinigung der bei der Herstellung von Mineraldüngemitteln entstehenden Abgase mittels einer Waschlösung
US7681643B2 (en) * 1999-05-07 2010-03-23 Ge Ionics, Inc. Treatment of brines for deep well injection
US7428926B2 (en) * 1999-05-07 2008-09-30 Ge Ionics, Inc. Water treatment method for heavy oil production
US7438129B2 (en) * 1999-05-07 2008-10-21 Ge Ionics, Inc. Water treatment method for heavy oil production using calcium sulfate seed slurry evaporation
US6355214B1 (en) * 1999-06-16 2002-03-12 Hercules Incorporated Methods of preventing scaling involving inorganic compositions, and inorganic compositions therefor
DE20210672U1 (de) * 2002-07-10 2003-11-20 Hois Jakob Vorrichtung zum Aufbereiten von organisch und/oder anorganisch belastetem Abwasser
US20080308403A1 (en) * 2007-06-13 2008-12-18 Maloney Gerald F Method and apparatus for vacuum or pressure distillation
US8951956B2 (en) * 2008-01-04 2015-02-10 Ecolab USA, Inc. Solid tablet unit dose oven cleaner
AU2012203515B1 (en) * 2012-04-20 2013-08-29 Ali Abdrabalrasoul Mohamed Al Hamzah Descaling polymers
KR20240013123A (ko) 2021-05-24 2024-01-30 바스프 에스이 담수화 시스템에서 스케일 억제를 위한 아크릴산의 중합체의 용도

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA462907A (fr) * 1950-01-31 David C. Walsh, Jr. Methode pour impecher la corrosion de l'appareil de distillation dans un procede d'alcoylation
US2783200A (en) * 1951-11-03 1957-02-26 Dearborn Chemicals Co Sludge conditioning and dispersing agents for boiler water treatment
US3023162A (en) * 1956-04-10 1962-02-27 Rohm & Haas Dewatering aqueous suspensions with quaternized dialkylaminoalkyl acrylates or methacrylates
US2980610A (en) * 1956-07-13 1961-04-18 Monsanto Chemicals Process for treating water
GB906531A (en) * 1959-08-26 1962-09-26 Gen Mills Inc Flocculation process
US3293152A (en) * 1962-08-20 1966-12-20 Commw Scient Ind Res Org Method for preventing scale deposition
US3235492A (en) * 1963-03-25 1966-02-15 Johns Manville Composition for and method of removing impurities from water

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0120983A1 (fr) * 1983-03-31 1984-10-10 The B.F. GOODRICH Company Agent inhibant la formation de tartre dans un système de purification d'eau par osmose inverse
EP0516357A1 (fr) * 1991-05-31 1992-12-02 Calgon Corporation Mélange de polymères anionique/cationique pour l'inhibition de tartre

Also Published As

Publication number Publication date
NL6802451A (fr) 1968-10-22
IL29457A (en) 1973-03-30
GB1218952A (en) 1971-01-13
US3514376A (en) 1970-05-26
DE1642463A1 (de) 1971-05-13
ES352100A1 (es) 1969-07-16

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Legal Events

Date Code Title Description
ST Notification of lapse