المنتجات الساخنة
Copper recovery from copper slags through flotation
网页2022年6月1日According to the flotation kinetic model of copper slags, the adhesion process of copper slag particles is in accordance with first-order kinetics. Through the addition of sodium carbonate, the stability of the pulp can be increased and the flotation
Contact
Enhancing the flotation recovery of copper minerals in smelter
网页2020年1月1日The copper content of the slags range between 0.8 to 5 wt. % and this is considered too high for disposal to the environment. Currently, the slags are sent to a
Contact
Copper Recovery Through Smelter Slag Flotation in
网页From the industrial copper slag flotation campaigns, it was concluded that it is possible to obtain a commercial-quality copper concentrate, suitable
Contact
Recovery of metal values from copper slag and reuse of
网页2017年12月1日According to them, using a two-stage flotation process, 80–87% Cu can be recovered from the copper slag. Using additives with ground copper slag, Guo et al.
Contact
(PDF) Recovery of metal values from copper slags by
网页2007年2月1日In the flotation step, a copper concentrate containing approximately 11% Cu was produced with a 77% recovery while 93% of
Contact
(PDF) Enhancing the flotation recovery of copper
网页2020年1月1日Namibia Custom Smelters (NCS) process a range of copper concentrates in their three furnaces, namely; top submerged lance, copper converter and reverberatory furnaces, in order to produce...
Contact
The Recovery of Copper from Smelting Slag by
网页2017年2月8日Aiming at the recovery of copper from smelting slag,a flotation approach was studied. It was found that this slag composed of fine particles with complex association and distribution, in which bornite was
Contact
How to Recover Copper from Slag by Flotation 911
网页2021年2月3日(1) settling the molten slag to recover entrained matte and copper, (2) smelting the slag with a suitable reductant to recover a copper-iron alloy or a low-grade matte (3) beneficiation of slags by magnetic
Contact
Recovery of Copper from Reverberatory Copper Slag and
网页The typical process uses crushing, milling and flotation. These operations create excessive liner wear rates during crushing and milling because the bond work index of
Contact
Orica’s flotation reagents increase copper recovery rates, resulting
网页Xstrata needed to improve copper recovery and called on Orica to identify and test collectors. Orica formulated a collector that would enhance milling and flotation of slow
Contact
(PDF) Recovery of metal values from copper slags by
网页2007年2月1日In this study, the recovery of metallic values such as copper and cobalt from the ancient copper slag is investigated. The sample containing 17.08% Cu and 0.55% Co were subject to experimental
Contact
Enhancing the flotation recovery of copper minerals in smelter
网页2019年12月31日Namibia Custom Smelters (NCS) process a range of copper concentrates in their three furnaces, namely; top submerged lance, copper converter and reverberatory furnaces, in order to produce mattes and fayalitic slags. The copper content of the slags range between 0.8 to 5 wt. % and this is considered
Contact
The Recovery of Copper from Smelting Slag by
网页2017年2月8日Consequently, flotation was attempted to recycle Cu in slag containing copper sulphide components. Three key factors affecting flotation were ascertained, namely, grinding fineness, the collector and
Contact
(PDF) Slag Cleaning: The Chilean Copper Smelter Experience
网页2000年8月1日Chile has seven copper smelters, four that are linked to primary producers (three owned by Codelco and one by Disputada) and three custom smelters (two owned by Enami and one by Noranda). Each
Contact
Orica’s flotation reagents increase copper recovery rates,
网页that would enhance milling and flotation of slow cooled copper slag. Ultimately, the process needed to achieve superior recovery of copper at a natural pH over a specific grind fineness. Xstrata’s key requirements were to: • Identify superior collectors • Reduce reagent costs • Optimise flotation performance • Integrate improvements into
Contact
Effect of Cooling Rate and Slag Modification on the Copper
网页2020年7月31日The impact of slag modification by an additive, such as a gypsum-carbon mixture, is also unknown. As a result, a series of experiments was conducted on the particle size distribution of a copper-rich matte phase at different cooling rates, in order to better conduct the froth flotation process and to recover copper from slag with a higher yield.
Contact
(PDF) Enhancing the flotation recovery of copper
网页2020年1月1日Copper smelting slag is the largest solid waste produced in copper-making process, and slow cooling beneficiation technology is the most widely used method in recovering remaining treasures from
Contact
Enhancing the flotation recovery of copper minerals in smelter
网页2019年11月11日size classes. Three slag samples (converter slag, TSL slag, reverb slag) were submitted to an external laboratory, SGS (South Africa). Mineral-ogical analyses on the slags were performed, particularly for the copper and zinc phases. 2.3. Milling and flotation test work 2.3.1. Milling equipment The following was used during the milling
Contact
Froth flotation Wikipedia
网页Diagram of a cylindrical flotation cell with camera and light used in image analysis of the froth surface.. Froth flotation is a process for selectively separating hydrophobic materials from hydrophilic.This is used in mineral
Contact
copper slag milling and flotation process
网页Mar 15, 2019 Tailings from an industrial copper slag cleaning milling and flotation circuit have been pre-reduced at low temperatures, well below its melting point, using CH 4-H 2-Ar mixtures with the aim of metallizing its iron oxide component to metallic iron.The treatment carried out at 700900 C, with a duration of up to 90 min, indicated a complete
Contact
Copper extraction Wikipedia
网页The modern froth flotation process was independently invented in the early 1900s in Australia by C.V Potter and around the same time by G. D. Delprat. Concentration Gill quotes a copper in slag value of 0.23% for a wet-charged reverberatory furnace vs 0.37% for a calcine-charged furnace.
Contact
A process mineralogy approach to study the efficiency of milling
网页2020年12月3日Molybdenite is a sulfide mineral and is often found in copper-molybdenum porphyry deposits, which is processed as a by-product of copper during the flotation process 10.
Contact
1 Froth Flotation Fundamental Principles
网页After carrying out a froth flotation separation, the products are as shown in Table 1. Using this data, calculate: (a) Ratio of concentration (b) % Metal Recovery (c) % Metal Loss (d) % Weight Recovery, or % Yield (e) Enrichment Ratio Table 1: Grade/recovery performance of a hypothetical copper ore flotation process.
Contact
Froth Flotation Process 911 Metallurgist
网页2021年1月20日The copper concentrate from a copper lead zinc flotation circuit. Froth flotation, as pointed out previously, was a part of the evolution of milling during the first quarter of the 20th century—a period during
Contact
Dore slag treatment Noranda Mines Limited
网页I claim: 1. A method of treating dore slag which comprises the steps of grinding the slag, mixing the obtained pulp with water to form a slurry, adding a suitable collector to the slurry for selective flotation of precious metals, adding a suitable frother, aerating the slurry to produce a precious metals concentrate in the form of a froth on
Contact
Processing Converter Slags with Total Utilization of All Components
网页2020年11月11日Currently, almost all plants converted to autogenous smelting of copper-containing concentrates use flotation of converter slags (CS) while leaving 0.55–0.90% Cu in tailings that exceeds the industrial copper ore content. Most of the iron, zinc, lead and silicate components of CS enter dumps. The resultant converter slag concentrate (CSC)
Contact
Stepwise Utilization Process to Recover Valuable
网页2021年2月17日Waste copper slag is a typical hazardous solid waste containing a variety of valuable elements and has not been effectively disposed of so far. In this , a stepwise extraction process was
Contact
Copper Recovery Through Smelter Slag Flotation in Atacama,
网页2021年1月13日Copper slag flotation was studied on an industrial scale at a concentrator plant in the region of Atacama, Chile. This study consisted of the physical, chemical, and mineralogical characterization of the copper slag, along with preliminary flotation tests. This article focuses on industrial flotation, which consisted of two oneyear campaigns
Contact
Investigation ofdefects in manufacturing of copper tubes MKG
网页The starting material for the manufacture of extruded copper tubes is a semi continuously cast ingot. The ingot,850 mm in diameter is manufactured by a semi continuous casting process which has been developed for castinglarge round ingots. The process has been continuously developed from 1995when the first reported castingwas performed.
Contact
Chalcopyrite (Cu) Sphalerite (Zn) Separation by Flotation
网页2016年4月14日Copper 3.78%. Sulphur 42.38%. Zinc 12.45%. Gold 0.01 oz/ton. Iron 32.84%. Silver 1.50 oz/ton. Insoluble 8.50%. In order to meet smelter requirements it is desired to produce at least a 20% copper concentrate with not over 8% zinc. The copper is present principally as chalcopyrite in extremely close association with both the sphalerite
Contact