The Mitsubishi Process Advantages

* Layout of Gresik plant whose capacity reached to 300,000 tpy copper in 2009. * 2. Cost Advantages. The following table provides an indexed comparison between the Mitsubishi Process and other processes which are combined with conventional P-S converters.

Control aspects of the mitsubishi continuous process

The Mitsubishi process for the continuous smelting and converting of copper holds many advantages over conventional processes, where reactions must be conducted in numerous steps and melts must be tapped frequently from the furnaces. The furnaces operate like steady-state reactors with constant melt volume, composition, and temperature. Therefore, optimal control of the process is ...

Top blown injection smelting and converting The

The Mitsubishi process is a continuous copper smelting and converting process comprising three steps—smelting of raw materials by injection, separation of slag and matte, and direct converting of high-grade matte. Since commercial operation began in 1974, the hearth productivity has been doubled, and several other improvements have been made, including higher-grade matte smelting and the ...

The Mitsubishi Process Copper Smelting For The 21st

The mitsubishi Continuous Smelting and Converting Process is the world's only commercially proven pyrometallurgical process to produce blister copper continuously from concentrates. The pilot plant test was succeeded in 1970 then the first commercial plant commenced operation in Naoshima in 1974. The Mitsubishi process ensures environmental protection of the surrounding community, clean and ...

Copper smelting process Mitsubishi Materials Corporation

Nov 20, 1991 A copper smelting process is disclosed in which copper concentrate is smelted in a furnace to produce purified copper. Flue gas discharged from the furnace is treated to produce sulfuric acid. Furthermore, waste liquid discharged during the production of sulfuric acid is treated to produce gypsum, and the gypsum thus produced is recycled to the ...

Viscosity of the copper smelting slag in the Mitsubishi

The Mitsubishi Continuous Copper Smelting and Converting Process is currently employed at Naoshima in Japan, Gresik in Indonesia, Onsan in Korea and Timmins in Canada (1). The process has many advantages, for example, its slag loss of copper can be kept at a very low

Extractive Metallurgy of Copper

9.8.7. Process Control in Mitsubishi Smelting/Converting 169 9.9. The Mitsubishi Process in the 2000s 174 9.10. Summary 175 References 176 Suggested Reading 177 10. Direct-To-Copper Flash Smelting 179 10.1. Advantages and Disadvantages 179 10.2. The Ideal Direct-to-Copper Process 179 10.3. Industrial Single Furnace Direct-to-Copper Smelting 182 ...

Copper Production ScienceDirect

Jan 01, 2014 The Mitsubishi continuous copper smelting process that combines the matte smelting and converting steps into one continuous coupled operation is then discussed. Finally, some observation on the industry trends for copper production is presented. The use and degradation of refractory linings in copper furnaces are discussed in Section 2.1.3 ...

DEVELOPMENTS IN COPPER SMELTING AND REFINING

Mitsubishi Process 1999 . Copper Electrorefining From Conventional Method To Permanent Cathode Ref.: M. Moats et al, “Global Survey of Copper Electrorefining Operations and Practices”. Cu 2013, Santiago, Chile • Reusable cathode sheet • Lower in-process copper inventory

Copper amp Copper Alloy Mitsubishi Materials Corporation

Business Summary. In the copper processing sector, we produce wrought copper products such as terminal connector materials for automobiles, electrical wires and copper tubes. We also apply our advanced technological capabilities to produce oxygen-free copper, oxygen-free copper alloys and other special copper alloys, which we supply globally.

The Mitsubishi Process History

New Mitsubishi Process plant was established, with a design capacity of 204,000 mtpy copper. This new Mitsubishi Process plant has, as planned, successfully rationalized Naoshima's copper operations by completely replacing the older conventional (Reverb/P-S) smelter, the original Mitsubishi Process plant, and their respective anode casting plants.

OF AN IDEAL SMELTER

The Mitsubishi Process ensures environmental protection of the surrounding community, clean and safe workplace conditions, and the highest copper, gold, silver and sulfur recoveries in the copper industry. Its operating costs are low and the cost of plant construction is keenly competitive.

Metals Business Mitsubishi Materials Corporation

Our Naoshima Smelter and Refinery, taking advantage of the Mitsubishi Process for continuous copper smelting, a unique technology for smelting precious metals with the lowest environmental impact in the industry, has been promoting the expansion of E-Scrap receiving and processing, and through the combined operations of our Naoshima facility and Group company Onahama Smelting and Refining …

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