Copper Slag Cleaning Furnace

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Copper Smelting Slag Cleaning in an Electric Furnace by ...

16/10/2020· In view of the non-renewable reductant resources and carbon neutralization in the process of copper slag cleaning in an electric furnace, this study proposed to use waste cooking oil as reductant to replace fossil energy.

Dalmia - Slag Cleaning

Slag Cleaning Furnace Co-clinker series Magnesia Chrome bricks Mortar mixes

Slag Cleaning Equilibria in Iron Silicate Slag–Copper ...

31/07/2019· In copper smelting, slag cleaning is performed by either of two major technologies: slag milling and flotation, or reduction followed by settling in an electric furnace. In contrast, slags produced in the nickel, lead, and tin industries typically are cleaned …

Minimization of Copper Losses in Copper Smelting Slag ...

The electric furnace or rotary slag-cleaning furnace are now generally used to perform this task, giving a level of copp er in dis- card slag typically in the range of 0.55 wt.% and

THE SUBMERGED ARC FURNACE (SAF) STATE OF ART IN METAL ...

Slag cleaning furnaces are commonly connected to smelting units such as Teniente and Noranda converter, Outokumpu flash smelter, reverbertory furnaces. The main function of the furnace is the reduction of the matte and metal level in the slag.

Improving Copper Recovery from Production Slags by ...

After matte smelting and standard slag cleaning in submerged arc furnaces (SAF), the fayalitic slag still contains up to 1 % of copper and other valuable metals like nickel, cobalt or molybdenum. In

OUTOTEC FLASH SMELTING TECHNOLOGY

Outotec Slag Cleaning Slag cleaning at copper and nickel smelters is typically done using an electric furnace process. The design of Outotec slag cleaning furnaces is based on our extensive experience with different slag compositions and under-standing of how to optimize the process for maximum recovery. Our energy efficient furnace design incorporates

SHAFT SLAG FURNACE (SSF) | WWW.COPPER-LINES.COM

Furnace arrangement. Shaft furnace consists of: Furnace body, shaft; Mixing ladle; Crossover; Taphole for slag flushing; Taphole for copper flushing; Furnace shaft cover; Mixing ladle cover; Tuyere belt (12 tuyeres, 2 air ducts); Windows for slag cleaning – 2 pcs.; Windows for copper cleaning – 1 pcs.; Feeding windows; Gas conduit; Gas burners.

Comprehensive review on metallurgical recycling and ...

To decrease the copper loss, a cleaning furnace (e.g. electric slag-cleaning furnace, rotary slag-cleaning furnace) is applied after the pyrometallurgical process, followed by a drain slag smelting furnace to clean the copper slag (Shiet al., 2008; Kierczak et al., 2013).

Copper Slag Cleaning Furnace, Copper Dressing Solution ...

Copper Slag Cleaning Furnace. The electric furnace technology for the cleaning of copper and nickel slags is a well-established method. Low investment costs, small footprint combined with continuous process development and equipment improvement make electric slag cleaning an attractive choice for modern smelters.

Reduction of copper smelting slag using waste cooking …

01/11/2019· Copper slag cleaning in an electric furnace is a critical process for reducing the excessive magnetite (Fe 3 O 4) present in the copper slag to decrease the slag viscosity, which can promote the sedimentation of matte/copper in the slag, thus reducing the copper content of slag.

Minimization of Copper Losses in Copper Smelting Slag ...

The electric furnace or rotary slag-cleaning furnace are now generally used to perform this task, giving a level of copp er in dis- card slag typically in the range of 0.55 wt.% and

Copper Loss in Slag - ResearchGate

The entrained droplets are recovered by settling in a slag-cleaning furnace, usually electric. The dissolved Cu+ is recovered by hydrocarbon reduction and settling of matte. A second method of...

SHAFT SLAG FURNACE (SSF) | WWW.COPPER-LINES.COM

Furnace arrangement. Shaft furnace consists of: Furnace body, shaft; Mixing ladle; Crossover; Taphole for slag flushing; Taphole for copper flushing; Furnace shaft cover; Mixing ladle cover; Tuyere belt (12 tuyeres, 2 air ducts); Windows for slag cleaning – 2 pcs.; Windows for copper cleaning – 1 pcs.; Feeding windows; Gas conduit; Gas burners.

Kinetics of Copper Reduction from Molten Slags

studies are focused on the slag cleaning process in the three - electrode electric furnace (EF), where components of the slag reduce to matte and EF slag in a periodic batch process. Parametric values of different variables (surface energy, density, viscosity, and equilibrium

copper slag cleaning furnace - wesolyskrzat.pl

Slag Cleaning Furnace - OCL. Slag Cleaning Furnace Copper rich oxide slags are melted in electric arc furnace where coke and copper pyrite are added to reduce the copper content in the . Get Price; Paper - Slag Valorisation Symposium. utilising the main components (iron and silica) from copper slag and further work The Teniente Converter slag is transferred to a slag cleaning furnace (HLE) Get Price

THE SUBMERGED ARC FURNACE (SAF) STATE OF ART IN METAL ...

Copper Slag cleaning in (electrical) furnaces has been increasingly popular over the last decades. METIX, part of the SMS group, has recently constructed an electric furnace for the First quantum project at Kanshansi, Zambia. The plant was commissioned successfully in February 2015. Figure 4:3D illustration of Kansanshi Copper Smelter

Reductive-sulfurizing smelting treatment of smelter slag ...

duration on cleaning efficiency of copper-cobalt smelter slag. Furthermore, the phase compositions and microstructure of smelting products were investigated by XRD and SEM-EDS as well. 2. Experimental 2.1 Materials Copper-cobalt smelter slag used in the experiments obtained from flash smelting slag dump in Yanggu Xiangguang Copper Co., LTD ...

Industrial Solutions International

SLAG - CLEANING FURNACE The slag cleaning furnace has special requirements depending upon the slag practice. With a frozen slag practice, as the name implies, it is necessary to maintain a frozen slag layer on the refractory lining, requiring a highly conductive refractory lining.