ES481476A1 - Composition and method for scale inhibition - Google Patents

Composition and method for scale inhibition

Info

Publication number
ES481476A1
ES481476A1 ES481476A ES481476A ES481476A1 ES 481476 A1 ES481476 A1 ES 481476A1 ES 481476 A ES481476 A ES 481476A ES 481476 A ES481476 A ES 481476A ES 481476 A1 ES481476 A1 ES 481476A1
Authority
ES
Spain
Prior art keywords
composition
acid
scale inhibition
scale
hydroxyethylidene
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
Application number
ES481476A
Other languages
Spanish (es)
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.)
Chemed Corp
Original Assignee
Chemed Corp
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 Chemed Corp filed Critical Chemed Corp
Publication of ES481476A1 publication Critical patent/ES481476A1/en
Expired legal-status Critical Current

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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Detergent Compositions (AREA)

Abstract

When a copolymer of styrene sulphonic acid and maleic anhydride or acid, and an organophosphonic acid especially 1-hydroxyethylidene-1,1-diphosphonic acid, are added to boiler water, the formation of scale is inhibited.
ES481476A 1978-06-15 1979-06-12 Composition and method for scale inhibition Expired ES481476A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US91571378A 1978-06-15 1978-06-15

Publications (1)

Publication Number Publication Date
ES481476A1 true ES481476A1 (en) 1980-07-01

Family

ID=25436161

Family Applications (1)

Application Number Title Priority Date Filing Date
ES481476A Expired ES481476A1 (en) 1978-06-15 1979-06-12 Composition and method for scale inhibition

Country Status (8)

Country Link
JP (1) JPS551897A (en)
CA (1) CA1114978A (en)
DE (1) DE2923718A1 (en)
ES (1) ES481476A1 (en)
FR (1) FR2431999A1 (en)
GB (1) GB2023121B (en)
IT (1) IT1121786B (en)
SE (1) SE431533B (en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PT71647B (en) * 1979-08-16 1982-01-21 Calgon Corp Process for preparing a composition for the control of scale and deposits in gas-liquid separation
US4306991A (en) 1979-09-18 1981-12-22 Chemed Corporation Scale inhibition
CA1151498A (en) * 1979-10-23 1983-08-09 Dearborn Chemicals Ltd. Treatment of aqueous systems
DE3230291A1 (en) * 1981-08-18 1983-03-03 Dearborn Chemicals Ltd., Widnes, Cheshire COMPOSITION FOR PREVENTING KETTLE IN AQUEOUS SYSTEMS
US4409192A (en) * 1982-04-26 1983-10-11 Betz Laboratories, Inc. Gas scrubbing methods
JPS58199877A (en) * 1982-05-03 1983-11-21 ナルコ・ケミカル・カンパニ− Composition and method of preventing corrosion of ferrous metal
US4581145A (en) * 1982-09-27 1986-04-08 Dearborn Chemical Company Composition and method for inhibiting scale
CA1207211A (en) * 1982-09-27 1986-07-08 Dionisio G. Cuisia Composition and method for inhibiting scale
CA1224999A (en) * 1983-02-16 1987-08-04 Dionisio G. Cuisia Composition and method for inhibiting scale
US4556493A (en) * 1983-02-16 1985-12-03 Dearborn Chemical Company Composition and method for inhibiting scale
US4576722A (en) * 1983-02-22 1986-03-18 The Mogul Corporation Scale and sludge compositions for aqueous systems
DE3475700D1 (en) * 1983-03-07 1989-01-26 Calgon Corp Polymeric additives for water
GB8311002D0 (en) * 1983-04-22 1983-05-25 Unilever Plc Detergent compositions
JPS63176871A (en) * 1987-01-17 1988-07-21 Daihatsu Motor Co Ltd Lubricating device for transmission
DE19514272C2 (en) * 1995-04-21 1997-02-20 Amtra Aquaristik Gmbh Means and methods for regulating the hardness and pH of the water in freshwater aquariums
EP0785174A1 (en) * 1996-01-22 1997-07-23 Monsanto Europe S.A./N.V. Use of triaminophosphonates in cement
US6310031B1 (en) 1999-11-30 2001-10-30 Amway Corporation Method of inhibiting soil redeposition
CN107973425A (en) * 2017-12-13 2018-05-01 攀枝花钢城集团瑞天安全环保有限公司 Composite slow-corrosion scale resistor and preparation method thereof

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3549538A (en) * 1967-06-22 1970-12-22 Nalco Chemical Co Scale inhibition and removal in steam generation
GB1414918A (en) * 1973-02-14 1975-11-19 Ciba Geigy Uk Ltd Treatment of water to prevent the deposition of scale
US3890228A (en) * 1973-04-13 1975-06-17 Chemed Corp Polyacrylate-polyphosphonic acid treatment in aqueous systems
NL7506874A (en) * 1974-06-10 1975-12-12 Grace W R & Co PROCEDURE FOR PREVENTING THE DEPOSITION OF BOILSTONE ON THE HEAT EXCHANGE SURFACES OF AN EVAPORATOR.
JPS5175681A (en) * 1974-12-26 1976-06-30 Chemed Corp MIZUJUNKANKEINITAISURU HORIAKURIRUSAN HOSUPPONSAN SHORIHO
CA1062983A (en) * 1975-09-08 1979-09-25 Joseph J. Schuck Copolymers for the control of the formation and deposition of materials in aqueous mediums
JPS5827349B2 (en) * 1975-11-25 1983-06-08 栗田工業株式会社 Corrosion prevention composition in aqueous systems
SE435456B (en) * 1976-01-07 1984-10-01 Calgon Corp COMPOSITION AND PROCEDURE TO CONTROL THE BUILDING OF THE FLAVOR IN GAS WASHER
GB1539974A (en) * 1976-11-10 1979-02-07 Ciba Geigy Ag Method of inhibiting corrosion and scaling of metals in contact with water
US4048066A (en) * 1976-11-17 1977-09-13 Chemed Corporation Method of inhibiting scale

Also Published As

Publication number Publication date
DE2923718A1 (en) 1979-12-20
JPS6152760B2 (en) 1986-11-14
JPS551897A (en) 1980-01-09
GB2023121B (en) 1982-08-25
FR2431999B1 (en) 1985-05-10
FR2431999A1 (en) 1980-02-22
CA1114978A (en) 1981-12-22
SE431533B (en) 1984-02-13
GB2023121A (en) 1979-12-28
IT1121786B (en) 1986-04-23
SE7905174L (en) 1979-12-16
IT7923459A0 (en) 1979-06-11

Similar Documents

Publication Publication Date Title
ES481476A1 (en) Composition and method for scale inhibition
GB1256643A (en)
EP0267597A3 (en) Calcium phosphonate scale inhibition
JPS52108491A (en) Preparation of modified polyolefin wax
AU532452B2 (en) Improved corrosion inhibitor treatment for boiler water
ES8502410A1 (en) Composition and method for inhibiting scale
JPS521886A (en) Moon pool of drilling ship
GB1534596A (en) Control of scaling in an aqueous medium
JPS51119537A (en) Water controller
JPS51150136A (en) Piping for water heater
AU5221679A (en) Steam iron water gauge
JPS51140464A (en) Input level automatic control system
JPS5224655A (en) Concrete wall surface inserting set bolt
JPS51121821A (en) A water tank
JPS5277110A (en) Detergent composition
JPS53127903A (en) Water level control system for boiler
JPS5241452A (en) Neutralizing method for waste water
JPS52148036A (en) Lysinol derivatives
JPS5251853A (en) Bias control system of digital-analog converter
JPS5278096A (en) Preventive method of the flame propagation in group cable
JPS5236843A (en) Method for treating water
JPS52128369A (en) Alpha-isopropyl-substituted pyrrole-1-acetic acid ester
JPS5426251A (en) Metal corrosion inhibitor
JPS52108084A (en) Preparation of 2-aminothiazoline-4-carboxylic acid hydroxylase
JPS5430814A (en) Envelope signal generator

Legal Events

Date Code Title Description
MM4A Patent lapsed

Effective date: 19960506