CH526476A - Procedimento di deionizzazione di soluzione acquose saline - Google Patents

Procedimento di deionizzazione di soluzione acquose saline

Info

Publication number
CH526476A
CH526476A CH1055870A CH1055870A CH526476A CH 526476 A CH526476 A CH 526476A CH 1055870 A CH1055870 A CH 1055870A CH 1055870 A CH1055870 A CH 1055870A CH 526476 A CH526476 A CH 526476A
Authority
CH
Switzerland
Prior art keywords
deionization
saline solutions
aqueous saline
aqueous
solutions
Prior art date
Application number
CH1055870A
Other languages
English (en)
Inventor
Boari Gianfranco
Liberti Lorenzo
Merli Carlo
Passino Roberto
Original Assignee
Consiglio Nazionale Ricerche
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 Consiglio Nazionale Ricerche filed Critical Consiglio Nazionale Ricerche
Publication of CH526476A publication Critical patent/CH526476A/it

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/20—Treatment of water, waste water, or sewage by degassing, i.e. liberation of dissolved gases
    • 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
    • B01J39/07—Processes using organic exchangers in the weakly acidic form
    • 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
    • B01J49/05—Regeneration or reactivation of ion-exchangers; Apparatus therefor of fixed beds
    • B01J49/08—Regeneration or reactivation of ion-exchangers; Apparatus therefor of fixed beds containing cationic and anionic exchangers in separate beds
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2301/00—General aspects of water treatment
    • C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Treatment Of Water By Ion Exchange (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
CH1055870A 1969-07-12 1970-07-11 Procedimento di deionizzazione di soluzione acquose saline CH526476A (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT3864369 1969-07-12

Publications (1)

Publication Number Publication Date
CH526476A true CH526476A (it) 1972-08-15

Family

ID=11246080

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1055870A CH526476A (it) 1969-07-12 1970-07-11 Procedimento di deionizzazione di soluzione acquose saline

Country Status (9)

Country Link
US (1) US3679580A (it)
BE (1) BE753295A (it)
CH (1) CH526476A (it)
DE (1) DE2034361A1 (it)
FR (1) FR2055000A5 (it)
GB (1) GB1311163A (it)
IL (1) IL34896A (it)
MT (1) MTP667B (it)
NL (1) NL7010217A (it)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CS168307B1 (it) * 1973-12-19 1976-05-28
US3928192A (en) * 1974-06-06 1975-12-23 Aerojet General Co Buffered, weak ion-exchange water demineralization process
US4028234A (en) * 1974-06-06 1977-06-07 Aerojet-General Corporation Buffering agents
JPS5290164A (en) * 1976-01-23 1977-07-28 Kurita Water Ind Ltd Method for treating water containing 6 valment chromium
US4235715A (en) * 1979-02-16 1980-11-25 Water Refining Company, Inc. Process for removing alkalinity and hardness from waters
DE3422242A1 (de) * 1984-06-15 1985-12-19 Bayer Ag, 5090 Leverkusen Verfahren zur herabsetzung des waschwasser-bedarfs von schwachbasischen anionenaustauschern
US4904383A (en) * 1987-05-01 1990-02-27 Auerswald David C System for demineralizing water
US4820421A (en) * 1987-05-01 1989-04-11 Auerswald David C System and method for demineralizing water
DE4123651C2 (de) * 1991-07-17 1996-02-22 Bitterfeld Wolfen Chemie Verfahren zur Nitratentfernung aus Wasser oder wäßrigen Lösungen
US20090277841A1 (en) * 2008-05-07 2009-11-12 Johnson Donald A Method for minimizing corrosion, scale, and water consumption in cooling tower systems

Also Published As

Publication number Publication date
GB1311163A (en) 1973-03-21
DE2034361A1 (de) 1971-04-29
BE753295A (fr) 1970-12-16
IL34896A0 (en) 1970-09-17
NL7010217A (it) 1971-01-14
US3679580A (en) 1972-07-25
MTP667B (en) 1971-03-22
IL34896A (en) 1974-03-14
FR2055000A5 (it) 1971-05-07

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Legal Events

Date Code Title Description
PL Patent ceased