ITRM940679A0 - "metodo pe4r stabilizzare l'assalato sodico nelle soluzioni caustiche del processo bayer" - Google Patents

"metodo pe4r stabilizzare l'assalato sodico nelle soluzioni caustiche del processo bayer"

Info

Publication number
ITRM940679A0
ITRM940679A0 ITRM940679A ITRM940679A ITRM940679A0 IT RM940679 A0 ITRM940679 A0 IT RM940679A0 IT RM940679 A ITRM940679 A IT RM940679A IT RM940679 A ITRM940679 A IT RM940679A IT RM940679 A0 ITRM940679 A0 IT RM940679A0
Authority
IT
Italy
Prior art keywords
pe4r
axalate
bayer process
caustic solutions
stabilizing sodium
Prior art date
Application number
ITRM940679A
Other languages
English (en)
Inventor
Graeme J Farquharson
John D Kildea
Anthony E Gross
Stephen C Grocott
Original Assignee
Nalco Chemical 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
Priority claimed from US08/214,928 external-priority patent/US5385586A/en
Application filed by Nalco Chemical Co filed Critical Nalco Chemical Co
Publication of ITRM940679A0 publication Critical patent/ITRM940679A0/it
Publication of ITRM940679A1 publication Critical patent/ITRM940679A1/it
Application granted granted Critical
Publication of IT1273992B publication Critical patent/IT1273992B/it

Links

Classifications

    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling
ITRM940679A 1994-03-17 1994-10-19 Metodo per stabilizzare l'ossalato sodico nelle soluzioni caustiche del processo bayer IT1273992B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/214,928 US5385586A (en) 1993-03-24 1994-03-17 Liquor oxalate stabilizers

Publications (3)

Publication Number Publication Date
ITRM940679A0 true ITRM940679A0 (it) 1994-10-19
ITRM940679A1 ITRM940679A1 (it) 1996-04-19
IT1273992B IT1273992B (it) 1997-07-14

Family

ID=22800954

Family Applications (1)

Application Number Title Priority Date Filing Date
ITRM940679A IT1273992B (it) 1994-03-17 1994-10-19 Metodo per stabilizzare l'ossalato sodico nelle soluzioni caustiche del processo bayer

Country Status (3)

Country Link
AU (1) AU670000B2 (it)
BR (1) BR9404148A (it)
IT (1) IT1273992B (it)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4999170A (en) * 1988-06-03 1991-03-12 Vereinigte Aluminum-Werke Aktiendesellschaft Method for removing sodium oxalate from caustic aluminate liquors
DE4039053A1 (de) * 1990-12-07 1992-06-11 Henkel Kgaa Polyglycerine im bayer-prozess
US5284634A (en) * 1993-01-14 1994-02-08 Nalco Chemical Company Purification of Bayer process liquors using cationic polymeric quaternary ammonium salts

Also Published As

Publication number Publication date
BR9404148A (pt) 1995-10-24
AU7034294A (en) 1995-09-28
IT1273992B (it) 1997-07-14
AU670000B2 (en) 1996-06-27
ITRM940679A1 (it) 1996-04-19

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19971029