hazards of drying sulphide pper ncentrates
2023-04-25T12:04:19+00:00
HIGHLAND VALLEY COPPER CONCENTRATE SAFETY
June 2, 2020 Highland Valley Copper Concentrate Page 2 of 7 and highly toxic hydrogen sulphide gas Inhalation or ingestion of copper concentrate dust or copper oxide fume may produce irritation of the upper airways Possible cancer hazard due to the silica and arsenic content Full face piece SCBA and protective Copper Sulphide Concentrate Drying (6 replies) B brettsylvester 4 years ago brettsylvester 4 years ago We produce a sulphide copper concentrate at moistures ranging from 1113% on average but require a moisture of no more than 106% for shipment (and of course would like to achieve even lower moistures in order to save on shipping costs Copper Sulphide Concentrate Drying Thickening, The term "Metal Sulphide Concentrates" is a general description of worldwide application for metal concentrates such as copper concentrates, zinc concentrates and lead concentrates These cargoes are categorised as Group A cargoes according to the criteria of the IMSBC Code because it may liquefy if shipped with a moisture content in excess of The Shipping Regulations For Copper Concentrates The term "Metal Sulphide Concentrates" ("MSC") is a general description casting an umbrella over a number of concentrates such as iron, lead, lithium, zinc, copper, aluminium, nickel, magnesium, etc Please see the link that provides maps over different mine locationsShipment of Metal Sulphide Concentrates UN 3077 The TD results from testing of 12 representative copper concentrates with varying mineral composition [2%–80% chalcopyrite (CP); below detection limit (BDL) to 97% covellite (CV); BDL to 421% bornite (BN); BDL to 066% enargite (EN); BDL to 15% tennantite (TN); and BDL to 861% chalcocite (CC)] and elemental composition also resulted in a Hazard Assessment of Ores and Concentrates
Hazard assessment of ores and concentrates for marine
hazards of the material transported Assessment of these hazards is based on the UN Globally Harmonized System of Classification and Labelling of Chemicals (GHS) This document has been written with the specific case of ores and ore concentrates (hereafter termed OCs) in mind These products of mining are solid materials that are often 383 000 tons of copper annually, is presented in Figure 1 Basically, the current process involves four main stages to transform copper sulphide concentrate into blister copper, as follows: • Wet concentrate drying down to 02 wt% moisture • Smelting bone Copper losses to slags obtained from the El Teniente Sulphide concentrates may exhibit selfheating to various degrees during storage or shipping, the worst cases presenting a serious hazard from fire and SO(2) emission(PDF) Evaluation and control of selfheating in from metal sulphide concentrates by adding air and heating/drying to achieve the desired sulphur content for smelting Partial roasting prepares copper and nickel sulphides for matte1 smelting; complete roasting produces a metal oxide, which can be reduced or leached Sulphur dioxide (SO2) is produced as an offgas 1 Molten solution of metal ab0cd Subsectoral Environmental and Social Guidelines Chalcopyrite, Copper Sulphide CuFeS 2 6034412 15 Galena, Lead Sulphide PbS 5 5 – 7 Some sulphide concentrates may oxidize and generate heat which accumulates in storage piles If material is to be stored for Avoid the product drying out as it may releases toxic gases containing sulphur compoundsPYRITE CONCENTRATE MATERIAL SAFETY DATA SHEET
82 Metal Processing and Metal Working Industry
Copper conversion from the ore to metal is accomplished by smelting During smelting the concentrates are dried and fed into one of several different types of furnaces There the sulphide minerals are partially oxidized and melted to yield a layer of matte, a mixed copperiron sulphide and slag, an upper layer of wastePrevious work has shown that sulphide selfheating occurs in three distinct stages, referred to as Stage A, Stage B and Stage C In this publication, the focus is the transition from Stage A to Stage B which occurs at ca 100 °C Background literature hints that the transition corresponds to the transformation of the rhombic form of elemental sulphur to the more reactive monoclinic form that Minerals Free FullText Transition of Sulphide Self sulphide ores containing PGMs, Nickel, Copper and other metals: • Platinum (Pt), Palladium (Pd), Rhodium (Rh) and Ruthenium (Ru) are the most prevalent of the six PGMs, with Iridium (Ir), and Osmium (Os) found in much smaller quantitiesOVERVIEW OF PGM PROCESSING Anglo American Arsenic in dust and aerosol generated by mining, mineral processing and metallurgical extraction industries, is a serious threat to human populations throughout the world Major sources of contamination include smelting operations, coal combustion, hard rock mining, as well as their associated waste products, including fly ash, mine wastes and tailingsGeosciences Free FullText Health Effects Associated International Journal of Minerals, Metallurgy and Materials (IJMMM, ISSN 16744799, CN 115787/TF, monthly, started in 1994, formerly known as Journal of University of Science and Technology Beijing) is an international journal devoted to publishing original research articles (and occasional invited reviews) on all aspects of minerals processing, physical metallurgy, process metallurgy, and International Journal of Minerals, Metallurgy and
IMSBCCode International Maritime Solid Bulk
The International Convention for the Safety of Life at Sea, 1974 (SOLAS Convention), as amended, deals with various aspects of maritime safety and contains, in parts A and B of chapter VI and part A1 of chapter VII, the mandatory provisions governing the carriage of solid bulk cargoes and the carriage of dangerous goods in solid form in bulk, respectively11 "Angle of repose" is the maximum slope angle of noncohesive (ie freeflowing) granular material It is the angle between a horizontal plane and the cone slope of such material 12 "Cargoes which may are materials which contain at least some fine particles liquefy" and some moisture, usually water, although they need not be visibly wet in appearance02 BCCode Code of safe practice for solid bulk For its extensive practical experience, 911 Metallurgist has a clear understanding of what successful mineral processing engineering is and how to go about achieving itYour goal is the production of a material that is marketable and returns you and your investors sustainable revenuesMetallurgist Mineral Processing Engineer Copper conversion from the ore to metal is accomplished by smelting During smelting the concentrates are dried and fed into one of several different types of furnaces There the sulphide minerals are partially oxidized and melted to yield a layer of matte, a mixed copperiron sulphide and slag, an upper layer of wasteChapter 82 Metal Processing and Metal Working A mineralogical and biohydrometallurgical study of a mixed coppersulphide ore from the Ivan Mine near Antofagasta in northern Chile was conducted by a multidisciplinary group at the University of British Columbia The purpose of the mineralogical study was to establish an understanding of current knowledge regarding biologicallyassisted leaching, especially as it relates to the solids Examination of the mineralogical effects of
Froth Flotation Of Sulfide Minerals logopedialogospl
A sequential flotation process for the recovery of highgrade concentrates of copper, lead and cobaltnickel from sulfide ores is providedA 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 The heap leaching gave very poor copper recovery on the sulphide ore Heap Leaching was evaluated and tested for the high talc and high arsenic ore but recoveries were poor The Aker Kvaerner feasibility study opted for a simple primary crush SAG/ball Options for Removing Arsenic and Talc from a Copper International Journal of Minerals, Metallurgy and Materials (IJMMM, ISSN 16744799, CN 115787/TF, monthly, started in 1994, formerly known as Journal of University of Science and Technology Beijing) is an international journal devoted to publishing original research articles (and occasional invited reviews) on all aspects of minerals processing, physical metallurgy, process metallurgy, and International Journal of Minerals, Metallurgy and 30km from Nkana) and produce a variety of cobalt and copper products This project, named COSAC (Cobalt from slag and copper by product) was to be fasttracked to take advantage of the high cobalt price current at the time Smallscale (120 250kW Paper presented at 50th Conference of Metallurgists and the copper float tail has additional reagents added to float off a pyrite concentrate This is necessary to eliminate the risk of ARD generation from flotation tails and also provides an opportunity to recover additional copper and gold The copper and pyrite concentrates and the flotation tail are all thickened and filteredPage 1
IMSBCCode International Maritime Solid Bulk
The International Convention for the Safety of Life at Sea, 1974 (SOLAS Convention), as amended, deals with various aspects of maritime safety and contains, in parts A and B of chapter VI and part A1 of chapter VII, the mandatory provisions governing the carriage of solid bulk cargoes and the carriage of dangerous goods in solid form in bulk, respectively11 "Angle of repose" is the maximum slope angle of noncohesive (ie freeflowing) granular material It is the angle between a horizontal plane and the cone slope of such material 12 "Cargoes which may are materials which contain at least some fine particles liquefy" and some moisture, usually water, although they need not be visibly wet in appearance02 BCCode Code of safe practice for solid bulk Metallurgical ContentGold AlloysGold Melting PointsRetortingGold SmeltingGold Refinery SlagRefining GoldGold AssayFluxMelting GoldCupellationGoldSilver SeparationGold Refining Book Gold can be concentrated and recovered by applying different gold refining process methods and the final product has variable quality In this way, it is necessary to have a better marketable product so that the Gold Smelting Refining Process 911 Metallurgist
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