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Gangue is the waste rock or materials overlying an ore or mineral body that are displaced during mining without being processed or simply rocky impurities.

While slag is usually a mixture of metal oxides and silicon dioxide. However, slags can contain metal sulfides and elemental metals. While slags are generally used to remove waste in metal smelting, they can also serve other purposes, such as assisting in the temperature control of the smelting, and minimizing any re-oxidation of the final liquid metal product before the molten metal is removed from the furnace and used to make solid metal.

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What is slag in mining?

Slag in mining refers to the waste or byproduct that is produced during the extraction or processing of metal ores. It typically consists of a mixture of impurities, such as gangue minerals and unwanted components, that are separated from the desired metal or mineral. Slag is often deposited in tailings ponds or waste piles.


What is the relationship between mineral ore and gangue?

Mineral ore is the valuable material that can be extracted and processed for its useful properties, while gangue is the unwanted material that is typically separated from the ore during the extraction process. Gangue does not have any economic value and is usually discarded as waste material. The relationship between mineral ore and gangue is that they are often found together in the same rock or ore deposit, with the goal of separating the valuable ore from the gangue to extract the desired minerals.


What is the substance which reacts with gangue to form a fusible mass which can easily be removed?

The substance that reacts with gangue to form a fusible mass is called a flux. Commonly used fluxes include substances like limestone (calcium carbonate) or silica, which combine with impurities in the ore to create slag. This slag can be easily removed during the metallurgical process, facilitating the extraction of the desired metal. The use of flux is essential in processes like smelting to improve efficiency and yield.


What is the distance between Cardiff and Paignton?

a slag


What is the difference between dross and slag?

Dross is the waste or impurities that float to the surface of molten metal, while slag is the byproduct of processing metal ores. Both dross and slag are forms of waste material produced during metal production processes.


What is the difference between ore mineral and gangue mineral?

Ore minerals are valuable minerals that contain essential elements or compounds, which can be extracted and processed for economic gain, such as gold, copper, and iron. In contrast, gangue minerals are the unwanted materials or impurities that accompany ore minerals in a deposit, often comprising silicates, carbonates, or other non-metallic minerals. The primary distinction lies in their economic significance, with ore minerals being sought after for extraction, while gangue minerals are typically discarded during processing.


What is difference between slag and matte?

Slag is a byproduct formed during the smelting or refining of metals, consisting of non-metallic impurities. Matte, on the other hand, is a mixture of metallic sulfides formed during the smelting process. Slag is usually less dense and contains non-metallic elements, while matte is more dense and has a higher metal content.


What is a gangue?

Gangue is the waste material that surrounds and is mixed in with valuable minerals in an ore deposit. It does not have any commercial value and is usually removed during the process of extracting the valuable minerals.


Why is the froth flotation method selected for the concentration of sulphide ores?

This method is based on the principle of the difference in the wetting properties of the ore and the gangue particles with the water and oil. This method is used for that metals whose ore gets preferably wetted by the oil and the gangue by the water. The sulphide ores preferably wetted by the oil and the gangue with the water. Hence this method is suitable for the concentration of the sulphide ore


What is the waste material that must be separated from an ore?

The waste material that must be separated from an ore is known as gangue. Gangue is the material that does not contain any valuable minerals and is typically removed during the process of ore extraction and purification.


What is the homophone of gang?

The homophone of "gang" is "gangue".


Why is gangue cosidered an ore?

Gangue minerals are not considered ores because they do not contain valuable minerals that can be extracted profitably. Ores, on the other hand, contain valuable minerals in high enough concentrations to be economically recovered. Gangue is typically separated from the ore during the mineral processing stage.