FR2253097A1 - Separating silicate minerals from ore - by hydrogen fluoride treatment followed by electrostatic treatment - Google Patents

Separating silicate minerals from ore - by hydrogen fluoride treatment followed by electrostatic treatment

Info

Publication number
FR2253097A1
FR2253097A1 FR7342482A FR7342482A FR2253097A1 FR 2253097 A1 FR2253097 A1 FR 2253097A1 FR 7342482 A FR7342482 A FR 7342482A FR 7342482 A FR7342482 A FR 7342482A FR 2253097 A1 FR2253097 A1 FR 2253097A1
Authority
FR
France
Prior art keywords
hydrogen fluoride
treatment
mixt
ore
silicate minerals
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
FR7342482A
Other languages
French (fr)
Other versions
FR2253097B1 (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Valeo SE
Original Assignee
Francaise du Ferodo SA
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 Francaise du Ferodo SA filed Critical Francaise du Ferodo SA
Priority to FR7342482A priority Critical patent/FR2253097A1/en
Publication of FR2253097A1 publication Critical patent/FR2253097A1/en
Application granted granted Critical
Publication of FR2253097B1 publication Critical patent/FR2253097B1/fr
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C7/00—Separating solids from solids by electrostatic effect
    • B03C7/003—Pretreatment of the solids prior to electrostatic separation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
    • B03B1/00—Conditioning for facilitating separation by altering physical properties of the matter to be treated
    • B03B1/04—Conditioning for facilitating separation by altering physical properties of the matter to be treated by additives

Abstract

A mixt. of silicate minerals, esp. natural quartz and filaspar in pegmatitic rock, is separated by first attacking the mixt. with hydrogen fluoride or hydrofluoric acid, or opt. ammonium fluoride then electrostatically separating by bombarding the mixt. with ions by means of a mobile propelling device, esp. a rotor, onto which certain of the minerals have a tendency to become selectively and temporarily fixed. A selection ratio of nearly equal 10:1 is obtd. compared with about 3:1 for prior art methods, while the process does not involve use of a surfactant.
FR7342482A 1973-11-29 1973-11-29 Separating silicate minerals from ore - by hydrogen fluoride treatment followed by electrostatic treatment Granted FR2253097A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7342482A FR2253097A1 (en) 1973-11-29 1973-11-29 Separating silicate minerals from ore - by hydrogen fluoride treatment followed by electrostatic treatment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7342482A FR2253097A1 (en) 1973-11-29 1973-11-29 Separating silicate minerals from ore - by hydrogen fluoride treatment followed by electrostatic treatment

Publications (2)

Publication Number Publication Date
FR2253097A1 true FR2253097A1 (en) 1975-06-27
FR2253097B1 FR2253097B1 (en) 1977-08-26

Family

ID=9128431

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7342482A Granted FR2253097A1 (en) 1973-11-29 1973-11-29 Separating silicate minerals from ore - by hydrogen fluoride treatment followed by electrostatic treatment

Country Status (1)

Country Link
FR (1) FR2253097A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1984004759A1 (en) * 1983-05-25 1984-12-06 Oabrand Pty Ltd Extraction of metals from ores

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1984004759A1 (en) * 1983-05-25 1984-12-06 Oabrand Pty Ltd Extraction of metals from ores

Also Published As

Publication number Publication date
FR2253097B1 (en) 1977-08-26

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse