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WO1990012119A1 - Procede de flottation a ions utilisant des tensio-actifs cationiques d'ammonium quaternaire - Google Patents

Procede de flottation a ions utilisant des tensio-actifs cationiques d'ammonium quaternaire Download PDF

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Publication number
WO1990012119A1
WO1990012119A1 PCT/AU1990/000124 AU9000124W WO9012119A1 WO 1990012119 A1 WO1990012119 A1 WO 1990012119A1 AU 9000124 W AU9000124 W AU 9000124W WO 9012119 A1 WO9012119 A1 WO 9012119A1
Authority
WO
WIPO (PCT)
Prior art keywords
flotation
ion
bromide
gold
lower alkyl
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.)
Ceased
Application number
PCT/AU1990/000124
Other languages
English (en)
Inventor
Malcolm David Engel
James Bryer Smitham
Stuart Kenneth Nicol
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.)
Broken Hill Proprietary Company Pty Ltd
Original Assignee
Broken Hill Proprietary Company Pty Ltd
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 Broken Hill Proprietary Company Pty Ltd filed Critical Broken Hill Proprietary Company Pty Ltd
Priority to BR909007269A priority Critical patent/BR9007269A/pt
Priority to CA002051097A priority patent/CA2051097A1/fr
Publication of WO1990012119A1 publication Critical patent/WO1990012119A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B11/00—Obtaining noble metals
    • C22B11/08—Obtaining noble metals by cyaniding
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
    • C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
    • C22B3/22—Treatment or purification of solutions, e.g. obtained by leaching by physical processes, e.g. by filtration, by magnetic means, or by thermal decomposition
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
    • C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
    • C22B3/44—Treatment or purification of solutions, e.g. obtained by leaching by chemical processes
    • 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

Definitions

  • This invention relates to ion flotation reagents and to methods for their production and use.
  • the invention is particularly, but not exclusively concerned with the extraction of gold using ion flotation techniques.
  • Particulate flotation is a physicochemical method of concentrating valuable minerals from finely-ground ore. The process involves a selective treatment of the
  • ion flotation is a procedure whereby valuable ions in a mixture of charged species are selectively removed by rising air bubbles. It resembles conventional froth flotation in that it employs a collector and similar equipment. It differs in that the substance to be separated is not usually present initially
  • the collectors are ionizable, surface-active organic compounds, cationic for the flotation of anions, anionic for the flotation of cations. These additives perform the dual function of complexing with the ions in solution and transporting these previously
  • ammonium compounds which have particular characteristic features are especially suitable for use as ion flotation reagents and superior to the compounds used in the prior art.
  • the flotation reagent employed is a cationic surfactant of formula (I): x- ( I ) wherein R 1 is a C 10 - C 18 alkyl group,
  • R 3 is a lower alkyl group, or benzene ring optionally substituted with one or more lower alkyl groups, and
  • R 2 and R 4 are lower alkyl groups
  • R 1 , R 2 and R 4 are methyl groups
  • R 3 is a benzene ring substituted with a
  • the long chain (C 10 - C 18 ) alkyl or alkoxy group contains from 12 to 16 carbon atoms, most preferably 12 carbon atoms.
  • lower alkyl refers to groups which contain from 1 to 6 carbon atoms, preferably 1 to 3 carbons.
  • the invention in a further aspect also provides the use, as an ion flotation reagent, of a compound of formula (I), as defined above.
  • a compound of formula (I) as defined above.
  • Formulae of some preferred reagents for use in accordance with the invention are set out below. All of these compounds are known per se. Also shown for
  • CTAB cetyltrimethylammonium bromide
  • DTAB dodecyltrimethylammonium bromide
  • Figure 1 is a diagram of the experimental apparatus used
  • FIGS 2 to 10 are graphs showing the results obtained.
  • FIG. 1 The flotation equipment used in the bench-scale laboratory experiments is illustrated in Figure 1 and consisted of a modified Hallimond tube cell or column 1 of volume approximately 1L.
  • a sintered glass frit 2 in the base of the column allows air to pass through the cell from inlet 3, metered by appropriate flowmeters and regulators (not shown).
  • Side ports 4,5 fitted to the column allow continuous monitoring of pH and/or
  • a solution containing a known concentration of gold (as the aurocyanide ion) and a known molar ratio of surfactant to gold was prepared and mixed thoroughly.
  • the feed liquid was injected into the flotation cell through port 6 and the air supply connected to inlet 3. Air was then immediately bubbled into the cell and froth began to form at the top of the column. When the first drop of froth spilled over the upper lip of the cell, a timer was started and at known intervals after this point,
  • the ratio C t /C o represents the fraction of gold from the feed left in the cell at time t.
  • C f is the concentration of gold in the product froth and C o is the initial feed gold concentration.
  • the ratio of the upgrade ratios of gold to silver [UR Au /UR Ag ] has a peak value called the "peak magnitude" and is a measure of the selectivity of the reagent.
  • the peak magnitude usually occurs near the lower limit of surfactant frothability.
  • Compound A is a superior reagent in all respects to CTAB at the same airflow. Compound A is not as efficient as DTAB in producing high upgrade ratios and peak
  • Invention compounds B and D are superior to compound A at the same airflow in terms of upgrade ratio and peak magnitude. Also, lower doses of these chemicals are required compared to compound A.
  • Compound R is a superior reagent to compounds DTAB, CTAB and A at the same airflow, in terms of upgrade ratio and dosage. However, compound R is not superior to the prior art in terms of peak magnitude. Compound R is superior to new compounds B and D in terms of upgrade ratio only.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacture And Refinement Of Metals (AREA)

Abstract

Le procédé de flottation à ions décrit, qui est conçu en particulier pour l'extraction de l'or, utilise comme réactif de flottation un tensio-actif cationique représenté par la formule (I); où R1 représente un groupe alkyle de 10 à 18 atomes de carbone, R3 représente un groupe alkyle inférieur ou une chaîne fermée de benzène éventuellement substituée par un ou plusieurs groupes alkyle inférieurs, et R2 et R4 représentent des groupes alkyle inférieures; ou R?1, R2 et R4¿ représentent des groupes méthyle; R3 représente une chaîne fermée de benzène substituée par un groupe alkoxy de 10 à 18 atomes de carbone; et X représente un atome d'halogène.
PCT/AU1990/000124 1989-04-05 1990-04-03 Procede de flottation a ions utilisant des tensio-actifs cationiques d'ammonium quaternaire Ceased WO1990012119A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
BR909007269A BR9007269A (pt) 1989-04-05 1990-04-03 Processo para flotacao de ion,processo para a extracao de ouro usando flotacao de ion,composto,e,tenso-ativo cationico
CA002051097A CA2051097A1 (fr) 1989-04-05 1990-04-03 Flottation ionique a l'aide de surfactifs a base de cations d'ammonium quaternaire

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AUPJ352889 1989-04-05
AUPJ3528 1989-04-05

Publications (1)

Publication Number Publication Date
WO1990012119A1 true WO1990012119A1 (fr) 1990-10-18

Family

ID=3773826

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/AU1990/000124 Ceased WO1990012119A1 (fr) 1989-04-05 1990-04-03 Procede de flottation a ions utilisant des tensio-actifs cationiques d'ammonium quaternaire

Country Status (5)

Country Link
BR (1) BR9007269A (fr)
CA (1) CA2051097A1 (fr)
OA (1) OA09517A (fr)
WO (1) WO1990012119A1 (fr)
ZA (1) ZA902643B (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014170448A1 (fr) * 2013-04-18 2014-10-23 Akzo Nobel Chemicals International B.V. Utilisation d'agents tensioactifs cationiques dans la cyanuration de minerais carbonés réfractaires pour la récupération de métaux
CN114308122A (zh) * 2022-01-12 2022-04-12 万华化学集团股份有限公司 季氨碱类相转移催化剂和制备方法及其在制备1,3-二（2-羟基异丙基）苯中的应用

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU1804156A (en) * 1956-05-08 1956-11-08 National Research Development Corporation Improvements in or relating tothe recovery of gold from aqueous cyanide

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU1804156A (en) * 1956-05-08 1956-11-08 National Research Development Corporation Improvements in or relating tothe recovery of gold from aqueous cyanide

Non-Patent Citations (10)

* Cited by examiner, † Cited by third party
Title
ANALYTICA CHEMICA ACTA, Volume 120 (1980), (Elsevier Scientific Publishing Co., Amsterdam), BERG et al., "Ion Flotation Studies of the Chlorocomplexes of Some Platinum Group Metals", pages 237-248. *
ANALYTICA CHEMICA ACTA, Volume 123 (1981), (Elsevier Scientific Publishing Co., Amsterdam), BERG et al., "The Separation of Platinum and Iridium by Ion Flotation", pages 1-8. *
ANALYTICA CHEMICA ACTA, Volume 134 (1982), (Elsevier Scientific Publishing Co., Amsterdam), BERG et al., "The Separation of Palladium and Platinum by Ion Flotation", pages 313-320. *
CHEMICAL ABSTRACTS, Volume 102, issued 1985 (Columbus, Ohio, USA), V.V. SVIRIDOV, "Flotation of Acido and Hydroxy Complexes of Aluminium-subgroup Metals", Abstract No. 29169x. *
CHEMICAL ABSTRACTS, Volume 79, No. 4, issued 1973 (Columbus, Ohio, USA), W. CHAREWICZ, "Ionic Flotation of Gold (I) Cyanide Complexes", Abstract No. 21992w. *
CHEMICAL ABSTRACTS, Volume 85, issued 1976 (Columbus, Ohio, USA), U.N. MIKHIALOV, "Ionic-flotation Extraction of Gold from Cyanide Solutions", Abstract No. 146299f. *
CHEMICAL ABSTRACTS, Volume 92, issued 1980 (Columbus, Ohio, USA), G.V. KUZMICHEV, "Ion Flotation Concentration of Platinum Metals from Chloride Solutions", Abstract No. 132535n. *
CHEMICAL ABSTRACTS, Volume 96, issued 1982 (Columbus, Ohio, USA), C. McDONALD, "Solvent Extraction Studies Using High-molecular-weight Amines", Abstract No. 75341c. *
CHEMICAL ABSTRACTS, Volume 98, issued 1983 (Columbus, Ohio, USA), N.M. EVTYUGINA, "Effect of Surfactant Compound Solubility on Anion Flotation", Abstract No. 91882b. *
CHEMICAL ABSTRACTS, Volume 98, issued 1983, (Columbus, Ohio, USA), L.I. USHAKOVA, "Recovery of Tantalum Compounds from Aqueous Solutions by Ion Flotation", Abstract No. 219491t. *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014170448A1 (fr) * 2013-04-18 2014-10-23 Akzo Nobel Chemicals International B.V. Utilisation d'agents tensioactifs cationiques dans la cyanuration de minerais carbonés réfractaires pour la récupération de métaux
US9803260B2 (en) 2013-04-18 2017-10-31 Akzo Nobel Chemicals International B.V. Use of cationic surfactants in the cyanidation of refractory carbonaceous ores for recovery of metals
CN114308122A (zh) * 2022-01-12 2022-04-12 万华化学集团股份有限公司 季氨碱类相转移催化剂和制备方法及其在制备1,3-二（2-羟基异丙基）苯中的应用
CN114308122B (zh) * 2022-01-12 2023-12-29 万华化学集团股份有限公司 季氨碱类相转移催化剂和制备方法及其在制备1,3-二（2-羟基异丙基）苯中的应用

Also Published As

Publication number Publication date
BR9007269A (pt) 1991-11-26
CA2051097A1 (fr) 1990-10-06
OA09517A (en) 1992-11-15
ZA902643B (en) 1991-06-26

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