IT1107837B - Procedimento per addolcimento delle acque - Google Patents

Procedimento per addolcimento delle acque

Info

Publication number: IT1107837B
Authority: IT; Italy
Prior art keywords: water softening; softening procedure; procedure; water; softening
Prior art date: 1977-05-31

Application number

IT68237/78A

Other languages

English (en)

Other versions

IT7868237A0 (it

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.)

1977-05-31

Filing date

1978-05-30

Publication date

1985-12-02

1978-05-30 Application filed by Rohm & Haas filed Critical Rohm & Haas

1978-05-30 Publication of IT7868237A0 publication Critical patent/IT7868237A0/it

1985-12-02 Application granted granted Critical

1985-12-02 Publication of IT1107837B publication Critical patent/IT1107837B/it

Links

XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title 1

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
- B01J49/00—Regeneration or reactivation of ion-exchangers; Apparatus therefor
- B01J49/40—Thermal regeneration

Landscapes

Chemical & Material Sciences (AREA)
Physics & Mathematics (AREA)
Thermal Sciences (AREA)
Organic Chemistry (AREA)
Chemical Kinetics & Catalysis (AREA)
Treatment Of Water By Ion Exchange (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

IT68237/78A 1977-05-31 1978-05-30 Procedimento per addolcimento delle acque IT1107837B (it)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US05/802,142 US4184948A (en)	1977-05-31	1977-05-31	Water softening method using thermally regenerable ion exchange resin

Publications (2)

Publication Number	Publication Date
IT7868237A0 IT7868237A0 (it)	1978-05-30
IT1107837B true IT1107837B (it)	1985-12-02

Family

ID=25182946

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT68237/78A IT1107837B (it)	1977-05-31	1978-05-30	Procedimento per addolcimento delle acque

Country Status (8)

Country	Link
US (1)	US4184948A (it)
JP (1)	JPS53148845A (it)
CA (1)	CA1100242A (it)
DE (1)	DE2822280A1 (it)
ES (1)	ES470279A1 (it)
FR (1)	FR2392938A1 (it)
GB (1)	GB1596913A (it)
IT (1)	IT1107837B (it)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4447329A (en) *	1983-06-13	1984-05-08	Uop Inc.	Continuous desalination process
US4645595A (en) *	1984-11-23	1987-02-24	General Electric Company	Water softening system particularly for individual appliances
US5681477A (en) *	1995-10-25	1997-10-28	Praxair Technology, Inc.	Thermally-driven ion-exchange process for lithium recovery
US6281255B1 (en)	2000-06-06	2001-08-28	Graver Technologies, Inc.	Methods for regeneration of weakly basic anion exchange resins with a combination of an alkali metal carbonate and an alkali metal bicarbonate
US20050234200A1 (en) *	2004-04-19	2005-10-20	Umpqua Research Company	Thermally regenerable salt sorbents
US7294654B2 (en) *	2004-04-19	2007-11-13	Novation Environmental Technologies, Inc.	Method of making thermally regenerable salt sorbent resins
WO2006031768A1 (en) *	2004-09-15	2006-03-23	Novation Environmental Technologies, Inc.	Sulfate-selective anion exchange resins for use in combination with trss resins in feed water treatment
US9790109B2 (en) *	2010-04-30	2017-10-17	General Electric Company	Method for sanitizing an electrodeionization device
US20110290733A1 (en) *	2010-05-25	2011-12-01	Eric Vogler	Method and apparatus for removing selenium from water
US12195364B2 (en) *	2021-02-10	2025-01-14	Emerging Compounds Treatment Technologies, Inc.	System and method for removing long-chain and short-chain per- and polyfluoroalkyl substances (PFAS) from contaminated water

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2660558A (en) *	1949-01-15	1953-11-24	Ionics	Method for the purification of water by ion exchange
US2891007A (en) *	1955-11-16	1959-06-16	Illinois Water Treat Co	Method of regenerating ion exchangers
US3248278A (en) *	1962-02-16	1966-04-26	Pritchard & Co J F	Method of recovering monovalent cations from spent monovalent cation sulfite pulpingliquor
DK104560C (da) *	1962-08-22	1966-05-31	Asahi Chemical Ind	Fremgangsmåde til fremstilling af blødt vand.
US3351549A (en) *	1964-06-19	1967-11-07	Universal Oil Prod Co	Desalinization of aqueous solutions
US3382169A (en) *	1966-04-04	1968-05-07	Illinois Water Treat Co	Process for deionizing aqueous solutions
US3425937A (en) *	1966-05-25	1969-02-04	Donald Eric Weiss	Demineralization of water
DE1909502A1 (de) *	1969-02-26	1970-09-10	Dr Herbert Simonis	Verfahren zur Herstellung bzw.Gewinnung von Suesswasser aus Meerwasser mittels Ionenaustauscherharzen
GB1310553A (en) *	1969-07-14	1973-03-21	Consiglio Nazionale Ricerche	De-ionisation
US3537989A (en) *	1969-10-03	1970-11-03	Crane Co	Demineralization system
US3991017A (en) *	1973-12-20	1976-11-09	Rohm And Haas Company	Ion exchange resins derived from hybrid copolymers
AU472508B2 (en) *	1972-05-30	1976-05-27	ICI AUSTRALIA LIMITED & COMMONWEALTH SCIENTIFIC i INDUSTRIAL RESEARCH ORGANIZATION	A process forthe demineralisation of water by ion exchange
CS168307B1 (it) *	1973-12-19	1976-05-28
US4087357A (en) *	1973-12-27	1978-05-02	Rohm And Haas Company	Desalination process using thermally regenerable resins

1977
- 1977-05-31 US US05/802,142 patent/US4184948A/en not_active Expired - Lifetime
1978
- 1978-05-18 CA CA303,650A patent/CA1100242A/en not_active Expired
- 1978-05-22 DE DE19782822280 patent/DE2822280A1/de not_active Withdrawn
- 1978-05-23 GB GB21362/78A patent/GB1596913A/en not_active Expired
- 1978-05-24 JP JP6117378A patent/JPS53148845A/ja active Pending
- 1978-05-29 ES ES470279A patent/ES470279A1/es not_active Expired
- 1978-05-30 IT IT68237/78A patent/IT1107837B/it active
- 1978-05-31 FR FR7816292A patent/FR2392938A1/fr active Granted

Also Published As

Publication number	Publication date
GB1596913A (en)	1981-09-03
CA1100242A (en)	1981-04-28
ES470279A1 (es)	1979-01-01
DE2822280A1 (de)	1978-12-14
FR2392938B1 (it)	1981-03-06
IT7868237A0 (it)	1978-05-30
FR2392938A1 (fr)	1978-12-29
US4184948A (en)	1980-01-22
JPS53148845A (en)	1978-12-25

Publication	Publication Date	Title
BE867617A (nl)	1978-11-30	Wasverzachter
SE7805498L (sv)	1978-12-03	Reningsforfarande
JPS53117253A (en)	1978-10-13	Water softening technique
SE7807699L (sv)	1979-01-12	Elektrolysforfarande
DK541778A (da)	1979-06-06	Fremgangsmaade til vask
FI783895A7 (fi)	1979-06-23	Vattenlaos
SE7802937L (sv)	1978-09-19	Massatvettare
BE864283A (nl)	1978-08-24	Instelbaar arreteerorgaan
AT363574B (de)	1981-08-10	Waescheweichspuelmittel
SE7801146L (sv)	1979-01-02	Avvattenreningsforfarande
SE7800907L (sv)	1978-08-19	Rengoringsforfarande
SE7810490L (sv)	1979-04-09	Elektrolysforfarande
IT1107837B (it)	1985-12-02	Procedimento per addolcimento delle acque
AT374266B (de)	1984-04-10	Heizkessel
SE7802174L (sv)	1979-06-07	Vattenklosett
IT1158184B (it)	1987-02-18	Procedimento per ottenere tiobutirrammidi
MX148047A (es)	1983-03-09	Procedimiento de hidroformilacion mejorado
SE7803614L (sv)	1978-10-02	Steriliseringsapparat
DK472978A (da)	1979-05-01	Vandig steriliseringsoploesning
BE870778A (fr)	1979-03-27	Separateur-surchauffeur de vapeur vertical
DK28878A (da)	1978-07-22	Kedel
TR20175A (tr)	1980-09-29	Piroliz mayilerine mahsus hidropenasyon usulue
AT364926B (de)	1981-11-25	Wasserspuelklosett
DK69478A (da)	1978-08-19	Vandvarmer
IT1094969B (it)	1985-08-10	Procedimento per quaternizzare immidazoline