IT1007415B - Procedimento di purificazione dell acqua - Google Patents

Procedimento di purificazione dell acqua

Info

Publication number
IT1007415B
IT1007415B IT20563/74A IT2056374A IT1007415B IT 1007415 B IT1007415 B IT 1007415B IT 20563/74 A IT20563/74 A IT 20563/74A IT 2056374 A IT2056374 A IT 2056374A IT 1007415 B IT1007415 B IT 1007415B
Authority
IT
Italy
Prior art keywords
water purification
purification procedure
procedure
water
purification
Prior art date
Application number
IT20563/74A
Other languages
English (en)
Original Assignee
Rohm & Haas
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 Rohm & Haas filed Critical Rohm & Haas
Application granted granted Critical
Publication of IT1007415B publication Critical patent/IT1007415B/it

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
    • B01J39/00—Cation exchange; Use of material as cation exchangers; Treatment of material for improving the cation exchange properties
    • B01J39/04—Processes using organic exchangers
    • 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
    • B01J47/00—Ion-exchange processes in general; Apparatus therefor
    • B01J47/14—Controlling or regulating
    • B01J47/15—Controlling or regulating for obtaining a solution having a fixed pH
    • 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
    • B01J49/00—Regeneration or reactivation of ion-exchangers; Apparatus therefor
    • B01J49/50—Regeneration or reactivation of ion-exchangers; Apparatus therefor characterised by the regeneration reagents
    • B01J49/53—Regeneration or reactivation of ion-exchangers; Apparatus therefor characterised by the regeneration reagents for cationic exchangers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Treatment Of Water By Ion Exchange (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
IT20563/74A 1973-03-12 1974-04-08 Procedimento di purificazione dell acqua IT1007415B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US34050373A 1973-03-12 1973-03-12

Publications (1)

Publication Number Publication Date
IT1007415B true IT1007415B (it) 1976-10-30

Family

ID=23333648

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20563/74A IT1007415B (it) 1973-03-12 1974-04-08 Procedimento di purificazione dell acqua

Country Status (10)

Country Link
US (1) US4083782A (it)
BE (1) BE812198A (it)
CA (1) CA1031084A (it)
CH (1) CH593866A5 (it)
DE (1) DE2409261A1 (it)
ES (1) ES424081A1 (it)
FR (1) FR2221406B1 (it)
GB (1) GB1457021A (it)
IT (1) IT1007415B (it)
NL (1) NL7403253A (it)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4389253A (en) * 1980-10-30 1983-06-21 Hitachi, Ltd. Process for removing crud from ion exchange resin
AU554857B2 (en) * 1981-04-06 1986-09-04 Commonwealth Scientific And Industrial Research Organisation Water clarification
US4463809A (en) * 1982-06-14 1984-08-07 Texaco Inc. Method for regenerating brine
US4540715A (en) * 1983-09-06 1985-09-10 Morton Thiokol, Inc. Surfactant and alkali metal citrate composition for recharging a water softener
US4595508A (en) * 1984-05-07 1986-06-17 Exxon Research And Engineering Co. Reduction of sodium/ammonium alkalinity in industrial wastewater
EP0209048B1 (en) * 1985-07-10 1990-06-13 Hitachi, Ltd. Process and apparatus for cleaning nuclear reactor cooling water
NZ217571A (en) * 1985-09-16 1989-07-27 Dow Chemical Co Treatment of liquids with ethylene copolymer to remove metal ions; copolymers of ethylene with 1-chloro-2-hydroxypropyl-trimethyl ammonium acrylate
US4747957A (en) * 1985-09-16 1988-05-31 The Dow Chemical Company Brine treatment using ethylene carboxylic acid polymers
US4747954A (en) * 1985-09-16 1988-05-31 The Dow Chemical Company Removal of metals from solutions
JPH065377B2 (ja) * 1986-06-27 1994-01-19 富士写真フイルム株式会社 画像形成装置
DE4034269A1 (de) * 1989-12-09 1991-06-13 Plein Wagner Soehne Verfahren und vorrichtung zur reinigung und neutralisation von abgaskondensaten
US5310488A (en) * 1991-03-01 1994-05-10 Kinetico Incorporated Water treatment method
US5919831A (en) * 1995-05-01 1999-07-06 Philipp; Warren H. Process for making an ion exchange material
US5665783A (en) * 1996-02-08 1997-09-09 Ecotech Recyclable regenerant for weak acid ion exhange resins
WO1998023375A1 (en) * 1996-11-26 1998-06-04 Novartis Ag APPARATUS FOR CHANGING pH OF SOLUTIONS
US6436294B2 (en) * 1998-11-24 2002-08-20 3M Innovative Properties Company Process for modifying the metal ion sorption capacity of a medium
US6331261B1 (en) * 1999-10-01 2001-12-18 Rohm And Haas Company Water softener salt formulation
DE10062056A1 (de) * 2000-12-15 2002-07-04 Henkel Ecolab Gmbh & Co Ohg Verfahren zur Reinigung von Ionenaustauscher-Kunststoffharzen
US7264837B2 (en) * 2003-04-02 2007-09-04 Tropicana Products, Inc. Resin deacidification of citrus juice and high acid maintenance
JP2008088155A (ja) * 2006-09-04 2008-04-17 Miura Co Ltd 皮膚用水
WO2009123683A2 (en) * 2008-04-03 2009-10-08 Bp Corporation North America Inc. Softened injection water
WO2019154768A1 (de) * 2018-02-09 2019-08-15 Aquis Wasser-Luft-Systeme Gmbh, Lindau, Zweigniederlassung Rebstein Wasser-härtestabilisierung mit anionenaustauscher

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2374100A (en) * 1937-05-03 1945-04-17 Hall Lab Inc Water treatment
DE919460C (de) * 1938-01-06 1954-10-21 Bayer Ag Verfahren zur Entsalzung von Wasser
US2597437A (en) * 1951-05-12 1952-05-20 Rohm & Haas Cation-exchange polymers of the carboxylic type
US2749306A (en) * 1952-05-03 1956-06-05 Victor Chemical Works Method for treating cation exchange material and cation exchange material resulting therefrom
US3342730A (en) * 1962-08-22 1967-09-19 Asahi Chemical Ind Method for producing soft water
US3414507A (en) * 1965-08-30 1968-12-03 Ritter Pfaudler Corp Method for treating high hardness water having major amounts of sodium therein
US3493498A (en) * 1967-09-11 1970-02-03 Diamond Shamrock Corp Ion-exchange process
US3767600A (en) * 1968-08-30 1973-10-23 Rohm & Haas Porous polymers with ionic functional groups based on polyfunctional methacrylates
US3663163A (en) * 1970-05-18 1972-05-16 Us Interior Regeneration of cation exchange resins and recovery of salts

Also Published As

Publication number Publication date
BE812198A (fr) 1974-09-12
US4083782A (en) 1978-04-11
FR2221406A1 (it) 1974-10-11
CA1031084A (en) 1978-05-09
NL7403253A (it) 1974-09-16
AU6657074A (en) 1975-09-18
GB1457021A (en) 1976-12-01
FR2221406B1 (it) 1977-06-10
DE2409261A1 (de) 1974-09-19
ES424081A1 (es) 1976-12-16
CH593866A5 (it) 1977-12-15

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