Steam Dryer – Kumera – Creating Efficiency | Kumera …
Kumera Steam Dryer is a patented solution for drying copper concentrates and other abrasive materials. The construction has unique features, which allow high availability and consume less energy. Through Kumera Steam Dryer, a copper smelter can reduce the harmful emissions such as CO2, SO2, NOx and dust. Therefore, Kumera Steam Dryer …
US7491372B2
A chemical process to leach copper concentrates in the presence of a concentrated solution of sulfates and chlorides. The process includes forming a high reactivity chemical paste containing a high concentration of ions in the liquid phase of the paste which react with copper ores and forms a series of soluble salts. The salts are extracted by a simple …
Industrial Rotary Drum Dryer Drying Machine for Silica Sand, …
Industrial drum dryer is one of the traditional drying equipment. It has reliable operation, great operating flexibility, strong adaptability and large processing capacity. It is widely used in metallurgy, building materials, chemical industry, coal washing, fertilizer, ore, sand, clay, kaolin, sewage, etc.
What miners need to know about smelter charges
More recently, a surplus in copper concentrate supply has been building and concentrates on the spot market have begun trading near 2021 long-term contract charges of US$59.50 per dry tonne and US5.95¢ per lb. in the third quarter.
Roasting Solutions
calcine. Special equipment is used for cooling and precipitating arsenic trioxide, which can be produced to a very high purity. Most of our sulfating roasting plants are used for copper/ cobalt concentrate applications in combination with electrowinning. The copper sulfide is transformed into water-soluble copper sulfate and the iron sulfide into
Results & Reports – Bucim
Operational and financial results for 2019. The steady improvement in Bucim's operational efficiency has resulted in sustainable production volumes. In 2019, Bucim produced 31,226 tonnes of dry copper concentrate, containing 6,512 tonnes of copper, 593 kg of gold, and 937 kg of silver, and produced 719 tonnes of cathode copper of 99.99% quality.
Indirect Drying of Copper Concentrate in a …
E.-U. Schlünder. Show abstract. Vicente de Paulo Rodrigues da Silva. Aurilene Barros Dos Santos. PDF | On Jan 1, 2016, Rolando E. Vega and others published Indirect Drying of Copper Concentrate ...
Beginners guide to concentrate filtration
Learn more about the concentrate filtration with our Beginners guide to concentrate filtration. ... By example a typical copper concentrate may have a TML of 9% moisture. Given that at the incompressible limit the cake will have a solids fraction of about 50% v/v and for solids with an sg of 4.3 the moisture would be 18.9% w/w without gas ...
Concentrate Drying Process
Concentrate dryer is specialized for drying metal ore machine, it has high drying efficiency, fast speed, long working time characteristics. For common industrial ores, such as copper concentrate, hematite drying effect is remarkable. The requirements of the water content of the anti-freeze and concentrate are very strict in the beneficiation …
Advancements in Removing Fluorine from Copper Concentrate
Copper concentrates are widely used in smelting operations worldwide and typically consist of chalcopyrite (CuFeS 2) as the primary mineral, with chalcocite (Cu 2 S) and bornite (Cu 5 FeS 4) as secondary copper-bearing minerals.However, these concentrates often contain hazardous impurities, such as the fluorine ion, which can …
Dewatering and Drying in Mineral Processing Industry: Potential for
concentrate of zinc and lead, copper sludge, washed kaolin, etc. 10–30% thermal efficiency. Grate dryer Convective drying. Drying of ''Green balls'' in iron, copper, and chromium ...
COPPER Copper production
Generally, copper extraction follows the sequence (see Figure below): 1. Beneficiation by froth flotation of ore to give copper concentrate (Optional partial roasting to obtain oxidized material or calcines) 2. Two-stage pyrometallurgical extraction 1. smelting concentrates to matte 2. converting matte by oxidation to crude (converter or ...
ISO 12743:2021(en), Copper, lead, zinc and nickel concentrates …
This document sets out the basic methods for sampling copper, lead, zinc and nickel concentrates from moving streams and stationary lots, including stopped-belt sampling, to provide samples for chemical analysis, physical testing and determination of moisture content, in accordance with the relevant International Standards.
Copper Concentrate Enrichment Process
If it is assumed that smelting and shipping charges are proportional to the weight of the concentrate, the potential savings for shipping and smelting enriched concentrates when compared to normal concentrates would be about $0.13 to $0.16/lb ($0.29 to $0.35/kg) of copper.
Bulk Concentrates Shipping | HandyBulk
Bulk Concentrates Ship Type: Bulk carriers, which are large ships designed to transport dry bulk cargo, are the primary mode of transportation for concentrates. Common bulk carrier types include Handysize, Handymax, Supramax Bulk Carriers), depending on the volume of the cargo. ... Copper Concentrate: 0.32 – 0.37 m³/ton; …
Copper Ore Processing Plants, Flow And Equipment
2) Copper concentrate filtration is the operation of making the ore slurry pass through a water-permeable and impermeable spacer layer of solid particles to achieve solid-liquid separation. Filtration is a …
Copper Ore Processing Plants, Flow And Equipment
2) Copper concentrate filtration is the operation of making the ore slurry pass through a water-permeable and impermeable spacer layer of solid particles to …
Industrial Rotary Drum Dryer Equipment for Municipal …
Industrial Rotary Drum Dryer Equipment for Municipal Sludge, Cement, Slurry, Copper Concentrate, Clay, Mining Solid Waste Drying Machine Price US $10,000-30,000 / Piece Min. Order: 1 Piece
The Beneficial Effects of Feeding Dry Copper …
The Kumera steam dryer is a rotary-type dryer.3 It was developed for copper-concentrate drying. One of its key features and advantages is the rotation of the steam-tube package together with the rotary drum. The structural properties of the dryer improve water evaporation and eliminate tube wear.
Rotary Dryers Meet Demand for Drying Copper …
The benefits gained by drying copper concentrates prior to the smelter include: ¹. Smaller gas handling system (and subsequently reduced capital cost) By …
From copper concentrate to Cu-based metal oxides for …
To obtain copper oxide materials that can be used for thermochemical heat storage from copper concentrates, the impurities need to be removed to very low levels, thus we specifically adopted the following preparation methods (The SO 2 produced during the calcination process is treated with lime water), as shown in Fig. 1.This process has …
Kumera Equipment for Non-Ferrous Metal Smelters
copper smelters Kumera Steam Dryer is the key equipment for the global success of steam drying for drying of non-ferrous metal concentrates Applications available for …
Options for Concentrate Drying Technologies when …
In primary copper smelters, the received copper concentrate and other materials contain a certain amount of moisture, ranging from six to 14 per cent. Moisture in wet …
Advancements in Removing Fluorine from Copper …
Penalties can signiicantly reduce the value of copper concentrate. For instance, in this paper, the fluorine penalty deduction ranges from $7 to $54 for copper concen-trate containing 0.1 to 0.57% fluorine ion, accounting for 0.3 to 2.4% of the net value of the concentrate before the penalty element deduction.
Copper Sulphide Concentrate Drying
We produce a sulphide copper concentrate at moistures ranging from 11-13% on average but require a moisture of no more than 10.6% for shipment (and of course would like to achieve even lower moistures in order to save on shipping costs). At present, we spread out our product stockpiles in indoor
Copper Concentrates
Copper concentrates classification briefing note – 30 October 2014 1/22 Copper Concentrates Environmental and Human Health hazard classification. Application to the assessment of substances "Harmful to the Marine Environment" (HME) as set out under the 2012 Annex V MARPOL Convention amendments. October 2014 Drafted by: Dr. Katrien …
A comparison of roasting technologies for arsenic removal from copper
A comparison is made among different roasting options (kilns, multi-hearths and fluid beds) to qualify their potential application to arsenic roasting of copper concentrates. Both direct and ...
Options for Concentrate Drying Technologies when …
In primary copper smelters, the received copper concentrate and other materials contain a certain amount of moisture, ranging from six to 14 per cent. Moisture …
Review of copper pyrometallurgical practice: today and tomorrow
After drying to 0.2% moisture the concentrate is flash smelted using oxygen-enriched air (60–70%) and recovers 70% of the copper as blister. The slag is cleaned in an electric furnace to recover the remaining copper as a Cu/Pb/Fe alloy while the off-gases are cleaned to produce sulphuric acid.
Guidance on Classification of Copper Concentrates for …
Copper concentrates: compliance against classification criteria as "Materials Hazardous in Bulk". 8 December2014 Page 4/6 4. Particle size Copper concentrates have particles sizes <100 µm. Table 3 summarizes the particle size distributions of 23 copper concentrates and concludes on a typical median particle diameter of 27 µm.