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The Department of Energy s Office of Scientific and Technical Information
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Flotation Of Sulfide Mineral Species With Oils Patent Application United States Patent and Trademark Office Patent Application No 09762619 Examiner Thomas M Lithgow presiding
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Flotation of sulfide mineral species with oils Nalco freepatentsonline /7461745 html Dec 09 2008018332This invention is directed to the use of nonsulfur containing compounds as collectors in the froth flotation of certain mineral sulfide and metallic Inquire Now [PDF] Module 4 Surface Thermodynamics Lecture 24
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Ores like chalcopyrite which are sulphide copper minerals are usually crushed and ground to release the important minerals from the waste and then beneficiated using mineral flotation Peng Grano Fornasiero Ralston 2024 An assessment of corporate social responsibility practices in the mining and oil and gas industries Journal of
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Sulphidizers are usually fed into the conditioner just ahead of the flotation circuit The quantity required varies with the characteristics of the ore and may range from 5 to 5 lbs per ton Conditioning time should be carefully determined and an excess of sulphidizing reagent avoided Flotation pH Regulators What is a pH Regulator s Function
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National Center for Biotechnology Information 8600 Rockville Pike Bethesda MD 20894 USA Contact Policies FOIA HHS Vulnerability Disclosure National Library of Medicine National Institutes of Health Department of Health and Human Services
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Increasing and controlling the pH within the flotation vessel to between 10 and 12 causes the process to become more selective away from iron sulphide gangue minerals such as pyrite to
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Flotation Of Sulfide Mineral Species With Oils Patent Wo 1 Abstract This invention is directed to the use of non sulfur containing compounds as collectors in the froth flotation of certain mineral sulfide and metallic compounds These non sulfur containing compounds may be from natural sources such as vegetable oils or synthesized
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What is claimed is 1 In the process of froth flotation concentration of a sulfide mineral which minimizes the collection of slimes and in which an aqueous pulp of an ore containing such mineral is subjected to a flotation operation to produce a final high recovery of such mineral in a flotation concentrate the improvement comprising carrying out said flotation with a polyglycerol added
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40Ar/39Ar data for Characteristics and 40Ar/39Ar geochronology of the Erdenet Cu Mo deposit Mongolia Full raw argon isotopic data for samples from this deposit Data are provid
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Senfroth G41 ≈10 g/t is used as a frothing agent for the flotation of sulphides and oxides by sulphidisation such as chalcopyrite and molybdenite ores is a relatively easy operation
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Flotation Of Sulphide Minerals written by K S Eric Forssberg and has been published by Elsevier This report describes an investigation into the association between metal salt species and sulphide mineral surfaces The study of the structure and properties of the minerals can reveal the essential nature of mineral flotation hence why
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In this model the role of the oxygen is to oxidise lattice sulphide ion to sulphur Flotation of Galena PbS Complete flotation of galena is achieved from pH 2 to pH 10 using ethyl xanthate The collector adsorption mechanisms were discussed above The hydrophobic metal collector species responsible for flotation is PbX 2
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corpus id 62830861 flotation of sulfide mineral species with oils cross reference to related applications
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This research was undertaken to study the implications of using glass beads containing elevated concentrations of metals and metalloids on roadways Glass beads are embedded on pavement markings to obtain retroreflectivity which plays a crucial role
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Sulphide mineral flotation a new insight into oxidation mechanisms 2024 • Alireza Javadi Formation of hydrogen peroxide H2O2 an oxidizing agent stronger than oxygen by sulphide minerals during grinding was investigated It was found that pyrite FeS2 chalcopyrite CuFeS2 sphalerite Zn Fe S and galena PbS which are the most
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Flotation of sulfide mineral species with oils United States Patent 6827220 Abstract This invention is directed to the use of non sulfur containing compounds as collectors in the froth flotation of certain mineral sulfide and metallic compounds
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called sulfides Probably the most familiar sulfide mineral is fool s gold pyrite which is composed of iron and sulfur The mining and processing of sulfide minerals has historically been the source of most environ mental concerns with metals extraction Mineral Deposits Identifying deposits where geologic processes have concentrated
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US 7461745 B2 chemical patent summary
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You can not select more than 25 topics Topics must start with a letter or number can include dashes and can be up to 35 characters long
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Flotation is the most important and widely used process to separate minerals occurs when large quantities of rock containing sulphide minerals are excavated from an open pit or opened in an underground mine it reacts with water almost 7%of global deforestation in the subtropics was accounted for oil gas and mineral extractions
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Sulfide Ore Flotation Process Layout This setup is Sulfide Rock Minerals Processing plant suitable for processing Sulfide rock Gold Copper Silver Zinc Lead Fluorite ore etc Has a high recovery ratio for sulfide type minerals Usually can reach about 85 90% depending on material conditions Sulfide Ore Flotation Process Equipment
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/L Each liter of the final mineral medium for growth con tained 25mL of the trace element solution All of the minerals were of analytical grade To produce biosurfactant 4mL gas oil was added to one liter of the mineral medium to serve as the source of carbon and energy for the bacterial species gas oil was used as an insolu
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Flotation is widely used in mineral processing to separate minerals based on the difference in surface hydrophobicity In the conventional flotation circuit the copper sulfide minerals are collected as a froth product Meanwhile the other hydrophilic and oxide minerals are separated as a sink
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sbm extracting gold from zincExtraction of Aluminum Copper Zinc Iron Video General Methods of Extraction In this lesson we re going to discuss the extraction of four metals aluminum copper iron and zinc In the periodic table Aluminum is a metal of Group 13 and Separation of zinc from gold Gold Refining Oct 02 2024
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May 29 2022Which one of the following is used as conditioner 106º to SbH 3 101º down group 15 of the in froth flotation process periodic table is due to 1 Pine oil 1 decreasing lp bp repulsion 2 Sodium ethyl xanthate 2 decreasing electronegativity 3 Sodium carbonate 3 increasing bp bp repulsion 4 Olive oil 4 increasing p orbital character in sp3 63
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The copper ore in Chilean copper porphyry deposits is often associated with molybdenum minerals This copper molybdenum Cu Mo sulfide ore is generally mined from various locations in the mining site thus the mineral composition oxidation degree mineral particle size and grade vary Therefore in the mining operation it is common to blend the ores mined from various spots and then
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O REPORT N 151 00012 00 RPT 01 R0 PRE FEASIBILITY STUDY MING COPPER GOLD MINE PHASE 2A NEWFOUNDLAND AND LABRADOR CANADA SEPTEMBER 2024 PRE FEASIBILITY STUDY MING COPPER GOLD MINE PHASE 2A NEWFOUNDLAND AND LABRADOR CANADA Rambler Metals and Mining Canada Limited Project no 151 00012 00 Issue Date September 2024
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May 29 2022The ring of radius 1m is lying on the surface of 3 first increases then decreases liquid It is lifted from the liquid surface by a force of 4 Newtons in such a way that the liquid film 4 first decreases then increases in it remains intact The surface tension of liquid 02 A force F is needed to break a copper wire having will be radius R
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To explore the occurrence and distribution characteristics of fine grained pyrites in coal and the effect of pyrite particle size on flotation efficiency coal samples from Guizhou province and Shanxi province China were selected for pyrite morphology observation and sulfur content test before and after flotation desulfurization experiments with different coal particle sizes Experimental
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