2016-12-26T13:12:27+00:00

2016-12-26T13:12:27+00:00

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ether amine flotation iron ore

  • Colorimetric determination of ether amine greases utilized

    Ether amine greases are commonly used in the flotation of iron ore, and after use are discarded in the tailings dams The aim of this work was to quantify a commercial ether amine using the

  • 预计阅读时间:9 分钟
  • Branched alkyl ether amines as iron ore flotation aids

    What is claimed is: 1 A froth flotation process for separating silica from iron ore, which comprises frothing said ore in an aqueous medium in the presence of 01 to 2 pounds per ton of said ore of a water dispersible, liquid mixture of aliphatic ether amines having the general formula: ROCH 2CH 2CH 2NH 2 wherein R is a mixture of methyl branched aliphatic radicals having

  • Cited by: 21
  • Colorimetric determination of ether amine greases utilized

      Ether amine greases are commonly used in the flotation of iron ore, and after use are discarded in the tailings dams The aim of this work was to quantify a commercial ether amine using the bromocresol green dye in chloroform The statistical data obtained show that the method is characterized by satisfactory accuracy and precision with a detection limit below 1 mg/L The recovery obtained was

  • Cited by: 5
  • (PDF) Cationic flotation of iron ores: Amine

    The flotation performance of these amines was evaluated by means of the laboratoryscale flotation of an itabirite ore The etherainines proved to be the most effective collectors for this system

  • 预计阅读时间:10 分钟
  • Separation of amineinsoluble species by flotation with

      1 Introduction Amines are organic compounds widely used in the industry The consumption of these reagents as flotation agents (collectors) in iron and potassium mining is growing fast in Brazil (Araujo et al, 2010)In the reverse flotation of iron ore the process consists of a selective separation of quartz/silicates particles (gangue material) from the valuable iron oxides

  • Cited by: 67
  • (PDF) Reagents in iron ores flotation ResearchGate

    Ether amines are by far the mostly utilised class of collector The degree of neutralisation of the ether amine is an important process parameter and direct flotation of iron ore

  • 预计阅读时间:6 分钟
  • An overview of the beneficiation of iron ores via reverse

    The main routes of iron ore flotation were reviewed • Reverse cationic flotation is the most used flotation method of iron ore beneficiation • Ether amines and starches are usually used as collectors and depressant, respectively • Selective depressants for Febearing silicates deserve further investigations

  • Cited by: 200
  • The nature of hematite depression with Gypsum starch in the

      The function of Gypsum starch and the significance of the order of addition of Gypsum starch and mono ether amine in the reverse flotation of iron ore has been investigated Understanding hematite depression with starch and the corresponding hydrophilic state involves consideration of adsorption with amine as well as flocculation of fine hematite

  • Cited by: 26
  • (PDF) The nature of hematite depression with Gypsum starch

      The function of Gypsum starch and the significance of the order of addition of Gypsum starch and mono ether amine in the reverse flotation of iron ore has been investigated

  • 预计阅读时间:7 分钟
  • The nature of hematite depression with Gypsum starch in the

    The function of Gypsum starch and the significance of the order of addition of Gypsum starch and mono ether amine in the reverse flotation of iron ore has been investigated Understanding hematite depression with starch and the corresponding hydrophilic state involves consideration of adsorption with amine as well as flocculation of fine hematite

  • Cited by: 26
  • Colorimetric determination of ether amine greases utilized

    Ether amine greases are commonly used in the flotation of iron ore, and after use are discarded in the tailings dams The aim of this work was to quantify a commercial ether amine using the

  • (PDF) Reagents in iron ores flotation ResearchGate

    Ether amines are by far the mostly utilised class of collector The degree of neutralisation of the ether amine is an important process parameter and direct flotation of iron ore with anionic

  • [PDF]
  • Differences in Etheramines Froth Properties and the

      Differences in Etheramines Froth Properties and the Effects on Iron Ore Flotation Part I: TwoPhase Systems Vanderson Eney de Matos a, Stephânia da Consolação Silva Nogueira a, Przemyslaw B Kowalczuk b,c, Gilberto Rodrigues da Silva a, and Antônio Eduardo Clark Peres a aPrograma de Pósgraduação em Engenharia Metalúrgica, Materiais e Minas

  • Iron Ore Clariant Ltd

    Clariant’s portfolio includes a comprehensive range of collectors and frothers for iron ore flotation to remove undesirable mineral impurities The FLOTIGAM® series includes ether amines, ether diamines and other cationic collectors for every iron ore flotation challenge Our FLOTIGAM® collectors are able to produce iron ore concentrate with low silica content by froth flotation,

  • [PDF]
  • IJESRT

      floated with ether amines (R(OCH neutralised with acetic ac id Amine also plays the role of frother in iron ore flotation Starches still represent the most important class of iron oxides depressant flotation system has been widely

  • [PDF]
  • IJREAT International Journal of Research in Engineering

      various ether amines for iron ore beneficiation was reviewed and recommended partial substitution of amine with non polar oils [1] It was reported that iron ore concentrates assaying less than 1% silica could be obtained from iron ore tailings/rejects with iron recoveries of around 60% [9] The effect of amine type and pH on quartz flotation

  • [PDF]
  • University of Cape Town openuctacza

      Brazilian iron ore although it failed to perform in the flotation of the South African iron ore A hematite concentrate with an iron grade of 65% and a quartz grade less of 15% was attained At the same collector dosage of 125 g/t, the superiority of alky ether amines over the

  • [PDF]
  • Froth Flotation of Iron Ores Publications

    the most popular flotation route in iron ore industry, the direct flotation of iron ox ides still appears desirable for some low grade iron ores that contain a vast amount of quartz For example, at Republic Mine, Michigan, USA, a hematite ore is upgraded from 365% Fe to 654% Fe with a Fe recovery of 825% using the direct flotation route

  • [PDF]
  • Adsorption behavior and mechanism of an ether amine

      At present, flotation is the most widely used to concentrate ctechniquellophane from o siliceous phosphate ore More than half of worldwide production of commercial phosphate is upgraded by flotation (Boulos et al, 2014) In the process of flotation, collector plays a vitally important role and it is

  • Study on regulators of purifying magnesite ore by cationic

      Flotation test of a single mineral under an ether amine system Under the ether amine system, the flotation behaviour of magnesite, dolomite, and quartz single minerals was studied

  • [PDF]
  • Differences in Etheramines Froth Properties and the

      Differences in Etheramines Froth Properties and the Effects on Iron Ore Flotation Part I: TwoPhase Systems Vanderson Eney de Matos a, Stephânia da Consolação Silva Nogueira a, Przemyslaw B Kowalczuk b,c, Gilberto Rodrigues da Silva a, and Antônio Eduardo Clark Peres a aPrograma de Pósgraduação em Engenharia Metalúrgica, Materiais e Minas Universidade Federal

  • [PDF]
  • IJESRT

      floated with ether amines (R(OCH neutralised with acetic ac id Amine also plays the role of frother in iron ore flotation Starches still represent the most important class of iron oxides depressant flotation system has been widely studied by different researchers on its various aspects [9

  • Iron Ore Flotation And Reagents

    Branched alkyl ether amines as iron ore flotation aids 1980/09/09A froth flotation process for separating silica from iron ore, which comprises frothing said ore in an aqueous medium in the presence of 01 to 2 pounds per ton of said ore of a water dispersible, liquid mixture of aliphatic ether 2CH

  • [PDF]
  • University of Cape Town openuctacza

      Brazilian iron ore although it failed to perform in the flotation of the South African iron ore A hematite concentrate with an iron grade of 65% and a quartz grade less of 15% was attained At the same collector dosage of 125 g/t, the superiority of alky ether amines over the

  • [PDF]
  • IJREAT International Journal of Research in Engineering

      various ether amines for iron ore beneficiation was reviewed and recommended partial substitution of amine with non polar oils [1] It was reported that iron ore concentrates assaying less than 1% silica could be obtained from iron ore tailings/rejects with iron recoveries of around 60% [9] The effect of amine type and pH on quartz flotation

  • [PDF]
  • Froth Flotation of Iron Ores Publications

    the most popular flotation route in iron ore industry, the direct flotation of iron ox ides still appears desirable for some low grade iron ores that contain a vast amount of quartz For example, at Republic Mine, Michigan, USA, a hematite ore is upgraded from 365% Fe to 654% Fe with a Fe recovery of 825% using the direct flotation route

  • [PDF]
  • Adsorption behavior and mechanism of an ether amine

      At present, flotation is the most widely used to concentrate ctechniquellophane from o siliceous phosphate ore More than half of worldwide production of commercial phosphate is upgraded by flotation (Boulos et al, 2014) In the process of flotation, collector plays a vitally important role and it is

  • [PDF]
  • Understanding the Environmental Impact of a Mine Dam

      ore deposits composed of metamorphosed iron formations (socalled banded iron formations) These formations contain ironrich hematite, goethite, and sideritemagnetite Beneficiation of the iron requires pellet feed fines with limited content of SiO 2, Al 2 O 3, and other impurities and is achieved via the flotation technique (Filippov et

  • [PDF]
  • Reprocessing of Sangan iron ore tailings by flotation

      iron ore Hence, the iron ore minerals with lower magnetic susceptibility or interlocked with gangue minerals have no opportunity for upgradation, and proceed to the tailing dam Flotation is a powerful technique for upgradation of these materials, and it is the focus of this research work A sample of 4309% Fe and 121% FeO was taken from the

  • [PDF]
  • Synergistic effect of a mixture of dodecylamine and

      cationic flotation of quartz uses mainly fatty amines and their derivatives as a collector, eg monoamine, diamine, and ether amine or a mixture of diamine and monoamine (Araujo et al, 2005) In order to reduce the reagent costs and enhance the