IT1038850B - PROCESS FOR WATER TREATMENT - Google Patents

PROCESS FOR WATER TREATMENT

Info

Publication number
IT1038850B
IT1038850B IT2421575A IT2421575A IT1038850B IT 1038850 B IT1038850 B IT 1038850B IT 2421575 A IT2421575 A IT 2421575A IT 2421575 A IT2421575 A IT 2421575A IT 1038850 B IT1038850 B IT 1038850B
Authority
IT
Italy
Prior art keywords
water treatment
treatment
water
Prior art date
Application number
IT2421575A
Other languages
Italian (it)
Original Assignee
Grace W R & 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
Application filed by Grace W R & Co filed Critical Grace W R & Co
Application granted granted Critical
Publication of IT1038850B publication Critical patent/IT1038850B/en

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
    • 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
    • C02F5/12—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 nitrogen
    • 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
IT2421575A 1974-06-10 1975-06-10 PROCESS FOR WATER TREATMENT IT1038850B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US47801374A 1974-06-10 1974-06-10
US48034974A 1974-06-18 1974-06-18

Publications (1)

Publication Number Publication Date
IT1038850B true IT1038850B (en) 1979-11-30

Family

ID=27045757

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2421575A IT1038850B (en) 1974-06-10 1975-06-10 PROCESS FOR WATER TREATMENT

Country Status (4)

Country Link
ES (1) ES438418A1 (en)
GB (1) GB1519512A (en)
IT (1) IT1038850B (en)
NL (1) NL7506874A (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1114978A (en) * 1978-06-15 1981-12-22 Chih M. Hwa Sludge conditioning composition for scale inhibition in water
US4547559A (en) * 1981-02-09 1985-10-15 Pfizer Inc. Acrylate/maleate copolymers, their preparation and use as antiscalants
US4710537A (en) * 1981-02-09 1987-12-01 Pfizer Inc. Substantially homogeneous copolymers of acrylic or methacrylic acid and maleic acid
US4390670A (en) * 1981-02-09 1983-06-28 Pfizer Inc. Acrylate/maleate copolymers, their preparation and use as antiscalants
US4326980A (en) * 1981-02-23 1982-04-27 Betz Laboratories, Inc. Acrylic copolymer composition inhibits scale formation and disperses oil in aqueous systems
JPS57168906A (en) * 1981-04-13 1982-10-18 Kao Corp Maleic acid/(meth)acrylic acid copolymer
US4324664A (en) * 1981-04-16 1982-04-13 Betz Laboratories, Inc. Method and composition for treating aqueous mediums
US4479878A (en) * 1982-10-28 1984-10-30 Betz Laboratories, Inc. High calcium tolerant deposit control method
US4589985A (en) * 1984-12-03 1986-05-20 Calgon Corporation Polyelectrolyte and surfactant compositions for controlling alkaline earth metal scales
GB8506615D0 (en) * 1985-03-14 1985-04-17 British Petroleum Co Plc Scale inhibitors
ATE56687T1 (en) * 1986-07-30 1990-10-15 Denac Nv METHOD OF PREVENTING METAL ION DEPOSITION IN WATER BY PHOSPHATE.
US4952324A (en) * 1988-03-15 1990-08-28 Betz Laboratories, Inc. Boiler water treatment
US4931206A (en) * 1988-03-15 1990-06-05 Betz Laboratories, Inc. Boiler water treatment composition
US4828713A (en) * 1988-03-15 1989-05-09 Betz Laboratories, Inc. Boiler water treatment
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
FR2723174B1 (en) * 1994-07-29 1996-09-20 Seb Sa VAPORIZATION TABLET
JP6985265B2 (en) * 2015-11-06 2021-12-22 ビーエーエスエフ ソシエタス・ヨーロピアBasf Se How to separate water from an aqueous system

Also Published As

Publication number Publication date
ES438418A1 (en) 1977-05-16
NL7506874A (en) 1975-12-12
GB1519512A (en) 1978-07-26

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