Used as a deoxidizer and alloy additives insteelmaking, is the largest amount of ferroalloys. The manganese use for meltingferromanganese, general require ferromanganese content manganese from 30 to40%, manganese and iron ratio is greater th...英国华人论坛
At present,the international general put the silicon goods into metal silicon andsemiconductor silicon. Silicon metal is made of quartz and coke in the electricheating furnace smelted into products, principal component silicon content isabou...英国华人论坛
Some factories sortednickel concentrate (10% nickel), copper concentrate and magnetic iron sulfurconcentrate from mixed concentrate. Nickel concentrate or mixed concentrate usuallyuse pyrometallurgy, produce the intermediate products - nicke...英国华人论坛
Tungsten concentrates decomposition method has fire method and wetmethod. Purification of tungsten compound Thesilicon, phosphorus and arsenic impurities in sodium tungstate solution arepresenting in sodium silicate, sodium hydrogen phosph...英国华人论坛
Oneof the forms of extracting metals is smelting. The purpose of the smeltingprocess is to produce a metal from its original ore. This includes many typesof base metals such as extracting iron from iron ore and copper from its ore.The proces...英国华人论坛