Consolidation is a method for obtaining metals from ores or metals. This usually involves the reduction of metal oxides (ore) to metal (reduction reaction are those which take electrons away from the elements, the reduction becomes the opposite of oxidation reactions), and the formation of non-metal oxide waste known as slag. It is a chemical process and involves more than just melting the gold. In the process of smelting gold metallic mineral ore concentrates the results of gold, the melting process is a fire burning at a temperature of 1800 ° C, causing an oxidation of minerals and melt and form a solid system - liquid. And in the process of smelting, the ore minerals may be added by Chemical Fusing Metallic Minerals such as
borax, backing soda, or with ammonium chloride (NH4Cl) to mineral-borne heavy metals along with gold ore minerals can be separated.
At the initial stage of fusion is to place the mineral ore concentrate which was completed in the extraction into a container shaped like a fusion of glass or a large bowl made of carbon materials. Then the container was put into a melting furnace, because the fireplace can help keep a certain chemical conditions and hot temperatures in order to stabilize the mineral ore into a metal melt easily. Metallic mineral ores need to be heated to very high temperatures to produce pure metals as well as temperatures higher temperatures. Iron melts at 1800 ° C (3270 ° F) and gold melts at 1062 ° C (1943 ° F). Because iron has a higher melting temperature than gold. After the melting process was finished and the metal has completely melted as liquid water is clear and shiny metal can then immediately pour into a mold to form an ingot that would be cool if it has a gold metal bars.
These few examples of simple equipment for metal smelting :
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