[go: up one dir, main page]

IT1038850B - Processo per il trattamento di acque - Google Patents

Processo per il trattamento di acque

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
English (en)
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/it

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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
IT2421575A 1974-06-10 1975-06-10 Processo per il trattamento di acque IT1038850B (it)

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 (it) 1979-11-30

Family

ID=27045757

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2421575A IT1038850B (it) 1974-06-10 1975-06-10 Processo per il trattamento di acque

Country Status (4)

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

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
US4390670A (en) * 1981-02-09 1983-06-28 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
US4547559A (en) * 1981-02-09 1985-10-15 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
EP0254774B1 (en) * 1986-07-30 1990-09-19 Denac N.V. Method for controlling phosphonates tending to precipitate metal ions in water
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
US4952324A (en) * 1988-03-15 1990-08-28 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 (fr) * 1994-07-29 1996-09-20 Seb Sa Comprime de vaporisation
CN108348814B (zh) * 2015-11-06 2021-12-31 巴斯夫欧洲公司 从含水体系中分离水的方法

Also Published As

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

Similar Documents

Publication Publication Date Title
IT1070449B (it) Processo per il trattamento di acque.
IT1039139B (it) Processo per la purificazione di ersteri triarilfosforici
BR7401045D0 (pt) Processo para tratamento de agua
IT1034213B (it) Processo per il trattamento di superfici sommerse
IT1038850B (it) Processo per il trattamento di acque
IT1039797B (it) Processo per la preparazione di glicoldimetileteri
IT1054694B (it) Processo per la preparazione di p benzochinondichetali
IT1037282B (it) Processo per la preparazione di butindiolo
IT1035163B (it) Processo per policondensare saccaridi
IT1042237B (it) Processo per la preparazione di ciclobutanoni
IT1044384B (it) Processo per la preparazione di tetraidrofurano
IT1039988B (it) Processo per la purificazione di diisocianato
IT1034407B (it) Processo per la conversione di idrocarsuri
IT1039710B (it) Processo per condizionare melme d acque luride
IT1021031B (it) Processo per il trattamento di sospensioni
IT1043355B (it) Processo per l alogenazione di cuproftalocianina
IT1033436B (it) Processo per la preparazione di idrogeno
IT1031586B (it) Processo per la preparazione di o benziltolueni
IT1064458B (it) Processo di elettrodeposizione
IT1041827B (it) Processo per la preparazione di fomaldeide
IT1038689B (it) Processo per la preparazione di cianogemo
IT1042095B (it) Processo per la preparazione di polialogeno cuproftalocianine
IT1037685B (it) Processo per la concentrazione di lattici
IT1039868B (it) Processo per la depurazione diacque di rifiuto
IT982812B (it) Processo per il trattamento di catalizzatori