Flotation Of Cassiterite With Modified Fatty Acids


flotation of cassiterite with modified fatty acids

flotation of cassiterite with modified fatty acids Patent US3469693 - Beneficiation of ores by froth , Beneficiation of ores by froth flotation using sulfosuccinamates , When the …


Modified Fatty Acids: Molecular Modeling and Docking

Oxhydryl collectors are principally used for flotation of oxidic minerals (silicates), carbonate materials and oxides Fatty acids are considered to be widespread oxhydryl collectors for non-sulfide ore flotation However, the selectivity of these collectors is low towards to gangue minerals occurring in the ore [1]


Selective flotation of cassiterite with benzohydroxamic acid

The tin concentrate was upgraded effectively to approximately 90% SnO 2 by direct tin flotation using a mixed collector of sulphosuccinate collectors modified with fatty alcohol ester sulphate, and depression of impurities using organic acids and sodium silicate (Bulatovic and Silvio, 2000) On the other hand, the properties of alluvial tin ores are substantially different from those of hard rock tin ores, where tin …


Floatation agent for Cassiterite removal

For the flotation of Cassiterite a common flotation agent is styrene phosphonic acid (SPA) The acid SPA is sparingly soluble in water and therefore offered as powder For the production of aqueous solutions, a neutralisation with caustic soda (liquid or solid – corrosive, dangerous good!) is required


The Practice Of Cassiterite Flotation In Bolivia

terite flotation systans using various reagents such as oleic acid, tall oil, other fatty acids and soaps, alkyl sulphates and sulphonates, amine canpounds, and others as collectors (1-11) In general, the proposed fla­ tation schEmes work only under special conditions and …


Cassiterite Flotation - Tin Oxide

The sulphosuccinamates and arsonic or phosphonic acids are currently used on a commercial scale as cassiterite collectors in tin slime flotation While the former type of collector has been used in conjunction with modifying agents such as citric acid and fluosllicate, phosphonic and arsonic acids are preferred in most plants with sodium silicate and fluosllicate as depressants


Activation mechanism of lead ions in cassiterite flotation

May 07, 2017 · Janczuk et al studied the wettability of cassiterite conditioned with sodium dodecyl sulfate and found that cassiterite particles were suitable for flotation at acidic pH Besides fatty acid, phosphonic acid, sulfosuccinamate, and dodecyl sulfate, various hydroxamic acid collectors were also utilized to float cassiterite , , ,


Effect and mechanism of octanol in cassiterite flotation

The flotation of cassiterite mineral from gangue with a collector benzohydroxamic acid (BHA), and the interactions between the BHA and cassiterite have been investigated


Modified Fatty Acids: Molecular Modeling and Docking

Modified Fatty Acids: Molecular Modeling and Docking Method for Optimization of Non-Sulfide Ore Flotation P M Solozhenkin1, Sanda Krausz2, O I Ibragimova3,* 1Research Institute of Comprehensive Exploitation of Mineral Resources of the Russian Academy of Science (IPKON the RASci) Kryukovsky Tupik, Moscow, Russia


Solution chemistry and utilization of alkyl hydroxamic

Solution chemistry and utilization of alkyl hydroxamic acid in flotation of fine cassiterite Pei-pei WANG 1, Wen-qing QIN , Liu-yi REN 1, Qian WEI , Rui-zeng LIU , Cong-ren YANG , Shui-ping ZHONG2 1 School of Minerals Processing and Bioengineering, Central South University, Changsha 410083, China; 2


Selective Flotation of Cassiterite from Calcite with

The development of selective collectors for cassiterite flotation is a relatively popular field Oleic acid and its derivatives are the most widely used collectors in oxidized ore flotation [9,10,11,12] The downside of this fatty acid collector is its low selectivity and poor solubility at low temperatures


In Situ Investigation of the Adsorption of Styrene

Flotation is an indispensable way to recover the fine cassiterite particles which are lost in gravity separation tailings [1–4] Fatty acids were reported in the 1930s as the earliest collectors used in cassiterite flotation [5–7] However, the selectivity of fatty acids is too poor to separate the cassiterite from gangue minerals [8]


US3182798A - Process of recovering cassiterite from ores

US3182798A US181093A US18109362A US3182798A US 3182798 A US3182798 A US 3182798A US 181093 A US181093 A US 181093A US 18109362 A US18109362 A US 18109362A US 3182798 A US3182798 A US 3182798A Authority US United States Prior art keywords cassiterite flotation acid carbon atoms concentrate Prior art date 1962-03-20 Legal status (The legal status is an assumption …


Tin flotation - Engelhard Minerals & Chemicals Corporation

Oct 21, 1980 · Flotation machine impeller speeds are within conventional range or higher, preferably the latter The cleaning of the thus-produced cassiterite rougher flotation concentrate is performed after an additional (secondary) conditioning step whereby an additional depressant, such as tannic acid, sulfuric acid, sodium fluosilicate, sodium lignin sulfonate or activated charcoal is used


The Effect of New Modified Fatty Acid (CY-23) Collector on

The flotation separation on chlorite and hematite with the new modified fatty acid collector CY-23 was studied The investigation included both flotation and reagent adsorption tests And all the characteristics of chlorite surface before and after the adsorption of new collector CY-23 have been studied with X-ray photoelectron spectroscopy (XPS)


adsorption of oleic acid on iron ore - fontanafreddacalcioit

Modified Fatty Acids: Molecular Modeling and Docking , Fatty acids are known as oxhydryl collectors which are used in practice for non-sulfide ore flotation However, the selectivity of these collectors is low towards to gangue minerals occurring in the ore In the present study the introduction of substitutes into the aliphatic chain of fatty


US Patent for Tin flotation Patent (Patent # 4,229,287

The cleaning of the thus-produced cassiterite rougher flotation concentrate is performed after an additional (secondary) conditioning step whereby an additional depressant, such as tannic acid, sulfuric acid, sodium fluosilicate, sodium lignin sulfonate or activated charcoal is used


New trends in flotation reagent development for fine

Often the collector used in oxide mineral flotation are a natural mixture of molecules with the same functional groups but with different hydrocarbon chains (length, structure) or collectors with different functional groups depending on their


PowerPoint Presentation

Hydroxamic acid is more effective than fatty acids 3-45 kg / t soda Na2CO3 300-600 g / t sodium fluorosilicate 24-35 kg / t lignin sulphonate 200-400 g / t oil fatty acid The graph shows the effect of the pH value of the medium on flotation when benzoic acid is used as a picker in the selective flotation of monazite and bastnasite


Flotation of mixed copper oxide and sulphide minerals with

first patented the use of hydroxamic acids or their salts as collec-tors for ore flotation Much research followed with the develop-ment of a number of different hydroxamate collectors In the former USSR, a hydroxamic acid collector named as NM-50 was used as a collector for wolframite, cassiterite and rare metal ores (Gorlovskii et al, 1969)


Flotation Reagents - Mineral Processing & Metallurgy

Flotation Reagents This data on chemicals, and mixtures of chemicals, commonly known as reagents, is presented for the purpose of acquainting those interested in froth flotation with some of the more common reagents and their various uses Flotation as a concentration process has been extensively used for a number of years


Study on the Effect of Fe3+ on Zircon Flotation Separation

fatty acids, alkyl sulfates, or cationic collectors [9] Sodium oleate (NaOL), as a typical fatty acid surfactant, has been widely used as an effective collector of silicates and metal oxide minerals for years in industry Meanwhile, the application of NaOL in zircon flotation was studied by Pavez and Peres in


tin flotation com - supremewheelscoza

Beneficiation of Cassiterite Fines from a Tin Tailing Slime by Froth The beneficiation of cassiterite fines from a tailing slime in the Datun concentration plant was studied through a froth flotation process, with the chemical scheme of benzohydroxamic acid as collector, lead …


The complex behavior of fatty acids in fluorite flotation

Flotation experiments were conducted with a 300-ml modified Hallimond tube with a 4-g sample of 147 x 300 µm fluorite In all experiments a minimum ionic strength of 001 M was established with KNO3, but overridden at high additions of Ca2+


Flotation Of Cassiterite With Modified Fatty Acids

Florrea D-107, Modified CMC Depression of Zn minerals during Pb flotation from Pb/Zn ores industrial minerals as in the case of anionic flotation, fatty acid, iron complexes or oleate iron complexes from zircon, cassiterite and tantalite and during flotation of cassiterite for depression of topaz, tourmaline and aegirine Read more


PROCESS FOR THE SELECTIVE FLOTATION OF KAINITE FROM

Dec 21, 2017 · The present invention relates to a process for selective flotation of kainite from crude potash salts or, for example, from crystallizate suspensions that are obtained by evaporation processes and may contain, besides kainite, further minerals such as halite, sylvine and other salt minerals, using sulfated fatty acids or their alkali metal salts as collection reagent and a frothing agent known for the …


The complex behavior of fatty acids in fluorite flotation

solution chemistry of a model fatty acid, the interfacial behavior of its precipitates, and their effect on the flotation behavior of fluorite Although extensive studies were also conducted with myristic acid and oleic acid (which exists as liquid droplets at acid pHs), only the palmitic acid / …


adsorption of oleic acid on iron ore - fontanafreddacalcioit

Modified Fatty Acids: Molecular Modeling and Docking , Fatty acids are known as oxhydryl collectors which are used in practice for non-sulfide ore flotation However, the selectivity of these collectors is low towards to gangue minerals occurring in the ore In the present study the introduction of substitutes into the aliphatic chain of fatty acids has been suggested as the way for improvement the selectivity of …


Minerals Engineering International Online - Froth

X Liu, C Li, H Luo, R Cheng, F Liu, Selective reverse flotation of apatite from dolomite in collophanite ore using saponified gutter oil fatty acid as a collector, International Journal of …


US2610738A - Froth flotation of monazite from heavy

1 a froth flotation process for separating monazite from heavy gravity minerals selected fromthe group consisting of wolframite, rutile and cassiterite, which comprises adding to an acid pulp concentrate containing monazite and at least one of the above mentioned heavy gravity minerals a cationic flotation agent of the amine type and a starchy product so taht a froth is formed when air is


PowerPoint Presentation

Cassiterite flotation is nearly always performed in an acid environment, the exact value depending on the ore source and collector to be used Sulphuric acid is used for PH adjustment in most cases Changes in PH can cause to the froth


Flotation of non-sulfidic ore with a glycosidic collector

Apr 28, 1992 · Flotation of non-sulfidic ore with a glycosidic collector United States Patent 5108585 pp 86-109 carried out flotation tests on cassiterite with a collector comprising a combination of an adduct of 9 to 10 moles ethylene oxide with octyl phenol and an octadecyl sulfosuccinate Suitable fatty acids include straight-chain fatty acids


US4789466A - Method of separating non-sulfidic minerals by

A process for separating non-sulfidic minerals from an ore by flotation in which the ore is contacted with a mixture of (a) at least one adduct of ethylene oxide and propylene oxide with a C 8 -C 22 fatty alcohol and (b) at least one anionic, cationic or ampholytic surfactant


Froth flotation - Wikipedia

Initially, naturally occurring chemicals such as fatty acids and oils were used as flotation reagents in a large quantity to increase the hydrophobicity of the valuable minerals Since then, the process has been adapted and applied to a wide variety of materials to be separated, and additional collector agents, including surfactants and synthetic compounds have been adopted for various applications


Minerals Engineering International Online - Froth

ERL Espiritu, S Naseri, KE Waters, Surface chemistry and flotation behavior of dolomite, monazite and bastnäsite in the presence of benzohydroxamate, sodium oleate and phosphoric acid ester collectors, Colloids and Surfaces A: Physicochemical and Engineering Aspects, Vol 546, 2018


Poperechnikova et al mod -review

while the anionic flotation with modified fatty acids as collector leads to very low silica content of 088 % in the iron concentrate Table 1 – Impact of collector type on waste rock minerals reverse flotation performance; monoamine ether and modified fatty acids are used in the cationic and anionic reverse flotations, respectively


fatty acid collector for flotation separation | Solution

Oct 24, 2012 · Dolomite flotation of high magnesium phosphate ores using fatty … The separation of dolomite from apatite has been … In this study, selective surfactants were used with a fatty acid soap collector to improve the flotation … US Patent # 5,147,528


FLOTATION CHEMISTRY OF HEMATITE/OLEATE SYSTEM

flotation from quartz In their extensive study, they concluded that fatty acids and their soaps are superior collectors for hematite flotation and among these, sodium oleate is the best collector Rietz [2], Kihlstedt [3] and Kivalo et al [4] have demonstrated the successful use of tall oil in hematite flota-tion