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Copper sulfide ore material composition and technological test

Time:May 02, 2020 Author:Boleiro

Copper ore-an overview | sciencedirect topics

Chalcophile (ore/copper/bronze-loving): the chalcophile elements predominantly represent sulfide ores. the elements include antimony, arsenic, bismuth, cadmium, copper, gallium, germanium, indium, lead, mercury, polonium, selenium, silver, sulfur, tellurium, thallium, tin, and zinc.

copper sulfide from a mine in the antofagasta region was used in this work, with particle sizes under 9.53 mm, and a p 80 of 7.9 mm. atomic absorption spectrometry (aas, perkin-elmer 2380, perkin elmer, wellesley, ma, usa) showed that the chemical composition of the ore was 0.70% total cu, 0.04% soluble cu and 5.65% total fe. ore acid consumption was 33.5 kg/ton ore as determined by a

2. materials and methods 2.1 materials and reagents the test samples were from a chalcopyrite mine in guizhou province and a pyrite mine in guilin, guangxi province. the monominerals with 98% purity were obtained by hand sorting a er grinding of raw ore. the actual ore were form duobaoshan copper molybdenum mine in heilongjiang province, in which

copper sulfide minerals require the use of acid and an oxidizing agent to break the mineral lattice and release cu2+ into solution ( sherrit, pavlides, & weekes, 2005 ). elemental copper found in nature can be leached by either oxygen or ferric ion: (15.6a) metallic copper: cu + 0.5 o 2 + h 2 so 4 → cu 2 + + so 4 2 − + h 2 o.

Copper sulfide-an overview | sciencedirect topics

Copper sulfide-an overview | sciencedirect topics

of this metal can be provided due to the effective recovery of iron and copper sulfides from this type of ore. the last one may be carried out by flotation method. key words: chovdar deposit, gold, material composition, mineral raw material, technological sample, oxidized ore, primary sulphide ore, mineral form. introduction

Multianalysis characterization of mineralogical properties

Nov 26, 2020 copper-lead-zinc mixed ore in tibet, china, is a complex and refractory polymetallic ore resource; thus, ascertaining its mineralogical properties is very important for comprehensive recovery of valuable elements. in this work, the mineralogical properties of this copper-lead-zinc mixed ore have been characterized in detail following a multidisciplinary approach, including chemical, phase, x

the ore temperature reaching the auto-ignition point [1-3]. sulfide concentrate is the term of selected metal sulfide ore which is a higher-grade powdery substance obtained by separating undesired components from sulfide metal ore, such as iron sulfide, copper sulfide, lead sulfide and zinc sulfide

in this work, oxidizing roasting was combined with leaching to separate copper, lead, and zinc from a concentrate obtained by bulk flotation of a low-grade ore sourced from the jiama mining area of tibet. the flotation concentrate contained 7.79% cu, 22.00% pb, 4.81% zn, 8.24% s, and 12.15% cao; copper sulfide accounted for 76.97% of the copper, lead sulfide for 25.55% of the lead, and zinc

copper complexes that can be present in cyanide liquors include cu (cn) 2 −, cu (cn) 3 2 −, and cu (cn) 4 3 − with the proportions dependent on the ph, copper concentration, and free cyanide concentration. the main issue facing the process engineer is the fact that minimization of cyanide consumption is favored by the formation of species with a low copper:cyanide mole ratio, e.g., cu

Copper ore-an overview | sciencedirect topics

Copper ore-an overview | sciencedirect topics

A model for the bacterial leaching of copper sulfide ores

A model for the bacterial leaching of copper sulfide ores in pilot-scale columns. jorge castillo. related papers. a comprehensive model for copper sulphide heap leaching. by mark cross. computational modeling of reactive multi-phase flows in porous media: applications to metals extraction and environmental recovery processes.

ankit gupta, in construction and building materials, 2020. 5.2.4 copper industry wastes (ct) extraction of copper from its ore in copper industries produces two types of waste named as copper slag and copper tailings. the copper slag is produced during the process of smelting for sulphide ore and collected as the material that floats on the top

(pdf) flotation of an oxidized copper sulfide ore

(pdf) flotation of an oxidized copper sulfide ore

a method of roasting copper-iron-sulphide ore concentrate or mixture, wherein the ratio of sulphur values to copper values is preferably at least one, to yield a calcined product, for the separation and recovery of copper values by acid leaching and electrolytic deposition, having at least 99 percent of its copper values soluble in dilute sulphuric acid and no more than 10 percent of the iron

Us4460459a-sequential flotation of sulfide ores-google

A sequential flotation process for the recovery of high-grade concentrates of copper, lead and cobalt-nickel from sulfide ores is provided. a primary grind ore pulp is conditioned with so 2 as h 2 so 3 under intense aeration, and the conditioned pulp subjected to sequential flotation, with regrinding and conditioning of a copper rougher concentrate obtained in the first flotation step for copper.

ore type being treated. electrowinning (ew) is used to refine material produced by hydrometallurgy, or the leaching of ore, most often by sulfuric acid for copper oxide and some secondary sulfide ores. electrorefining (er) is applied to the refinement of acid-refractory primary copper sulfide ores processed by pyrometallurgical methods prior to

copper oxide rind, which is in turn surrounded by a copper sulfide matte. in the upper right corner, a prill of copper sulfide matte. metal assay results for two pieces of ore and two pieces of slag. icp-oes results for two pieces of ore and two pieces of slag. inaa results for two pieces of ore

Of technology .barchiv.

Of technology .barchiv.

in this work, oxidizing roasting was combined with leaching to separate copper, lead, and zinc from a concentrate obtained by bulk flotation of a low-grade ore sourced from the jiama mining area of tibet. the flotation concentrate contained 7.79% cu, 22.00% pb, 4.81% zn, 8.24% s, and 12.15% cao; copper sulfide accounted for 76.97% of the copper, lead sulfide for 25.55% of the lead, and zinc

Minerals | free full-text | the critical role of pulp

The mineral composition of this ore was analyzed by using a quantitative x-ray diffraction (xrd, panalytical b.v., almelo, the netherlands) (figure 1a), which indicated that the sample consisted of 80% pyrrhotite, 10% nickel sulfide, 4% copper sulfide etc. the elemental compositions of the nickel-copper sulfide ore are shown in table 1. it

the raw ore used in this study is a copper oxide from zambia, africa. it is characterized by high-oxidation rate, and 85% of particles in this ore are smaller than 0.074 mm. firstly, the easy-to-recover copper sulfide and free oxidation copper in the raw ore were recycled by flotation, but the other

the copper-iron-sulfur system by equilibrating hydrogen sulfide-hydrogen gas mixtures with molten solutions at 11500, 1250 0, and 13500 c. three different phase fields were investigated: a single phase sulfide melt; a two phase field, liquid metal-liquid sulfide; and a three phase field, liquid metal-liquid sulfide-solid gamma iron.

a process for treating a first metal, manganese-containing ore comprising contacting the manganese-containing ore with an aqueous, acidic composition and a material containing at least one metal sulfide at conditions effective to (1) chemically reduce at least a portion of the manganese, (2) solubilize at least a portion of the metal from the metal sulfide, and (3) at least partially liberate

Us4752332a-treating manganese-containing ores with a

Us4752332a-treating manganese-containing ores with a

a process for recovering at least one first metal from a metal sulfide-containing ore comprising contacting the ore with an aqueous, acidic composition and at least one reducible manganese-containing material at conditions effective (1) to chemically reduce the manganese, (2) solubilize at least a portion of the metal from the sulfide, and (3) at least partially liberate the first metal from

Innovations: copper: technology standards

Copper: technology & standards copper applications in plumbing. by art cohen. innovative processes mining and ore handling. the early u.s. copper industry, located primarily in the american west (arizona, utah, new mexico, montana, and alaska) was restricted to mining very rich copper-containing minerals.

a method of roasting copper-iron-sulphide ore concentrate or mixture, wherein the ratio of sulphur values to copper values is preferably at least one, to yield a calcined product, for the separation and recovery of copper values by acid leaching and electrolytic deposition, having at least 99 percent of its copper values soluble in dilute sulphuric acid and no more than 10 percent of the iron

copper complexes that can be present in cyanide liquors include cu (cn) 2 −, cu (cn) 3 2 −, and cu (cn) 4 3 − with the proportions dependent on the ph, copper concentration, and free cyanide concentration. the main issue facing the process engineer is the fact that minimization of cyanide consumption is favored by the formation of species with a low copper:cyanide mole ratio, e.g., cu

ore type being treated. electrowinning (ew) is used to refine material produced by hydrometallurgy, or the leaching of ore, most often by sulfuric acid for copper oxide and some secondary sulfide ores. electrorefining (er) is applied to the refinement of acid-refractory primary copper sulfide ores processed by pyrometallurgical methods prior to

Understanding impurities in copper electrometallurgy

Understanding impurities in copper electrometallurgy

aug 01, 2018 1. introduction. biomining, the use of microorganisms to recover metals by oxidative dissolution of metal sulfide minerals in primary ores and wastes (tailings, rock dumps etc.) is now well established as a global technology (johnson, 2014; harrison, 2016).conventionally, biomining uses irrigated systems (rock dumps and bioheaps; principally for recovering base metals) or stirred tanks,

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