Home > Products >  metallurgical aluminium smelting process ppt

metallurgical aluminium smelting process ppt

Chrome Ores on Ferrochrome Smelting

process is energy intensive, and consumes approximately 3,300-3,800 kWh per ton of metal produced. The cost of electricity counts for about 35-40% of total production cost. Due to the shortage of power supply in South Africa, the cost of electricity has more than doubled since 2008, and a plan has

I. PRINCIPLES OF EXTRACTIVE METALLURGY

mixture of sulphides) smelting, which exploits the immiscibility between slag and matte, is used for metal extraction from sulphide ores. (Slide 9-14) The word hydro- is derived from a Greek word which means water. Separation steps involved in hydrometallurgy are: leaching, purifiion and/or concentration, and precipitation/metal production.

PPT – Overview: Secondary Aluminum Secondary Aluminum

rolled or cast metal, and recycled skimmings from the secondary smelting process. Presorting of scrap into desired alloy groups reduces processing time. Scrap contaminated with oil or coatings requires removal of oil to reduce emissions and improve melting rate ; Salt slag is treated to recover the salt, which is reutilized as flux in rotary

Chemistry Notes for class 12 Chapter 6 General Principles

(i) Smelting (reduction with carbon) The process of extracting the metal by fusion of its oxide ore with carbon (C) or CO is called smelting. It is carried out in a reverberatory furnace. During smelting a substance. called flux is added which removes the non-fusible impurities as fusible slag.

56 Aluminium Smelting Plants Safety PPTs View free

Advantages of Aluminium Fencing And Railing - Fencing play vital role to maintain privacy and peace within your property. Also, it helps to increase the value of your home. A fence is a material generally made up of aluminium, wood, iron or glass, which is put up around the house to ensure safety.

Pyrometallurgical Process - an overview | ScienceDirect Topics

Cu smelting is the dominant route for e-waste recycling, where PMs are collected in Cu matte or black Cu. In the final stage of Cu production, i.e., the electrorefining process, pure Cu metal is produced and the PMs are separated into slimes where they are recovered using hydrometallurgical routes.

Stages of Hydrometallurgical Processes

Agitation leaching : A process where the soil is slurried with the extraction fluid for a period of time. When equilibrium between the metal on the soils surface and the metal contained by the solution is approached, the solubilization of the metal in the soil is slowed, and the extraction is considered to be complete. [10] 11 Process Stages

Balco | PDF | Aluminium Oxide | Aluminium

TECHNOLOGY OVERVIEW THE METAL Aluminium is the most abundant metallic element (8.1 mass %) in the earth’s crust. Due to its strong affinity to Oxygen, Aluminium does not occur in nature in its pure elemental state and is found in coined forms such as oxides and silies. In order to produce the pure metal a Reduction reaction must take place. THE PROCESS Most smelting processes involve

The Aluminum Smelting Process and Innovative Alternative

Industrial production of primary aluminum is carried out by the Hall–Héroult process, named after its inventors, who independently of each other, in 1886, developed and patented an electrolytic process in which aluminum oxide (or alumina, Al 2 O 3) is dissolved in an electrolyte consisting mainly of molten cryolite (Na 3 AlF 6) and aluminum fluoride (AlF 3).

PPT – Extraction Metallurgy PowerPoint presentation | free

Chart and Diagram Slides for PowerPoint - Beautifully designed chart and diagram s for PowerPoint with visually stunning graphics and animation effects. Our new CrystalGraphics Chart and Diagram Slides for PowerPoint is a collection of over 1000 impressively designed data-driven chart and editable diagram s guaranteed to impress any audience.

Extractive Metallurgy of Copper - ХТМУ

The Smelting Process: General Considerations Smelting Products: Matte, Slag and Offgas Suggested Reading References 5 Flash Smelting - Outokumpu Process 5.1 Outokumpu Flash Furnace 5.2 Peripheral Equipment 5.3 Furnace Operation 5.4 Control 5.5 Impurity Behavior 5.6 Future Trends 5.7 Summary Suggested Reading References 6 Inco Flash Smelting

Energy Use in Metal Production - Publiions

of the metal. The eodied energy of the common metals varies widely, from typically around 20 MJ per kilogram for lead and steel to over 200 MJ per kilogram for aluminium (Figure 1.) The chemical transformation stages (leaching, smelting, electrowinning, …

Extractive Metallurgy Presentation (Zinc)

Oct 29, 2011· 34. Conclusion The metallurgy of Zinc is a complex process with its own share of design constraints. Of the two techniques (pyro-metallurgy and hydro-metallurgy), hydro-metallurgy has the lion’s share of the total Zinc production. Imperial Smelting Process is the only commercially feasible pyro-metallurgical process.

2,554 Smelting PPTs View free & download | PowerShow

Smelting Chemicals Market Insights, Forecast to 2025 - Download Free Research Report PDF @ #SmeltingChemicals #MarketAnalysis Smelting Chemicals report researches the worldwide its market size (value, capacity, production and consumption) in key regions like North America, Europe, China and Japan.Smelting is a process of applying heat to ore in order to extract a base metal.

Chemistry Notes for class 12 Chapter 6 General Principles

(i) Smelting (reduction with carbon) The process of extracting the metal by fusion of its oxide ore with carbon (C) or CO is called smelting. It is carried out in a reverberatory furnace. During smelting a substance. called flux is added which removes the non-fusible impurities as fusible slag.

effect of borax during smelting - Pyrometallurgy: Roasting

The process is carried out at temperatures between 800 and 900°C, i.e. lower than the melting point of the noble metals, and even below the temperature at which the slag becomes totally molten. Base metals are oxidized and removed with the slag, while gold and silver, which do not oxidize, sink and build up, leading to doré bars for further

Pyrometallurgical Process - an overview | ScienceDirect Topics

Cu smelting is the dominant route for e-waste recycling, where PMs are collected in Cu matte or black Cu. In the final stage of Cu production, i.e., the electrorefining process, pure Cu metal is produced and the PMs are separated into slimes where they are recovered using hydrometallurgical routes.

Zinc Metallurgy - SlideShare

Oct 08, 2011· are operating on hydrometallurgical process route, whereas the fourth one at Chittaurgarh,Rajasthan, which was commissioned in the year 1991 is based on imperial smelting process routefor simultaneous extraction of lead and zinc.The pre-requisite condition for zinc metal extraction from sulphide concentrate through a hydro-metallurgical route

Stages of Hydrometallurgical Processes

Agitation leaching : A process where the soil is slurried with the extraction fluid for a period of time. When equilibrium between the metal on the soils surface and the metal contained by the solution is approached, the solubilization of the metal in the soil is slowed, and the extraction is considered to be complete. [10] 11 Process Stages

Environmental Pollution Induced By an Aluminium Smelting

Pollution, Heavy metal, Bioaccumulation, Multivariate analysis. melting of aluminium does not come without its environmental problems. There have been a nuer of recent studies investigating the emissions of various pollutants during the aluminum smelting process…

Zinc Metallurgy - SlideShare

Oct 08, 2011· are operating on hydrometallurgical process route, whereas the fourth one at Chittaurgarh,Rajasthan, which was commissioned in the year 1991 is based on imperial smelting process routefor simultaneous extraction of lead and zinc.The pre-requisite condition for zinc metal extraction from sulphide concentrate through a hydro-metallurgical route

OVERVIEW OF PGM PROCESSING

PLATINUM Disclaimer: This presentation has been prepared by Anglo American Platinum Limited (“Anglo American Platinum”) and comprises the written materials/slides for a presentation concerning Anglo American Platinum. By attending this presentation and/or reviewing the slides you agree to be bound by the following conditions.

Balco | PDF | Aluminium Oxide | Aluminium

TECHNOLOGY OVERVIEW THE METAL Aluminium is the most abundant metallic element (8.1 mass %) in the earth’s crust. Due to its strong affinity to Oxygen, Aluminium does not occur in nature in its pure elemental state and is found in coined forms such as oxides and silies. In order to produce the pure metal a Reduction reaction must take place. THE PROCESS Most smelting processes involve

aluminium production process - SlideShare

Jan 09, 2015· 9. HALL –HEROULT PROCESS • In the Hall-Héroult process, aluminum metal is obtained by electrolytic reduction of alumina. • Pure alumina melts at over 2000°C. • To produce an electrolyte at lower temperature, alumina is dissolved in molten cryolite at 1000°C. • The electrolyte is placed in an iron vat lined with graphite.

2,554 Smelting PPTs View free & download | PowerShow

Smelting Chemicals Market Insights, Forecast to 2025 - Download Free Research Report PDF @ #SmeltingChemicals #MarketAnalysis Smelting Chemicals report researches the worldwide its market size (value, capacity, production and consumption) in key regions like North America, Europe, China and Japan.Smelting is a process of applying heat to ore in order to extract a base metal.

OVERVIEW OF PGM PROCESSING

PLATINUM Disclaimer: This presentation has been prepared by Anglo American Platinum Limited (“Anglo American Platinum”) and comprises the written materials/slides for a presentation concerning Anglo American Platinum. By attending this presentation and/or reviewing the slides you agree to be bound by the following conditions.

Extractive Metallurgy of Copper - ХТМУ

The Smelting Process: General Considerations Smelting Products: Matte, Slag and Offgas Suggested Reading References 5 Flash Smelting - Outokumpu Process 5.1 Outokumpu Flash Furnace 5.2 Peripheral Equipment 5.3 Furnace Operation 5.4 Control 5.5 Impurity Behavior 5.6 Future Trends 5.7 Summary Suggested Reading References 6 Inco Flash Smelting

Pyrometallurgical Process - an overview | ScienceDirect Topics

Cu smelting is the dominant route for e-waste recycling, where PMs are collected in Cu matte or black Cu. In the final stage of Cu production, i.e., the electrorefining process, pure Cu metal is produced and the PMs are separated into slimes where they are recovered using hydrometallurgical routes.