There are various uses of copper. Copper is used in building construction, power generation transmission, electronic product manufacturing and the production of industrial machinery. Copper wiring and plumbing are integral to the appliances, heating and cooling systems, and telecommunications links used every day in homes and businesses. Copper is an essential component in the motors, […]
Cement is manufactured by the combination of calcium, silicon, aluminium, iron and other ingredients. Other common materials used to manufacture cement include limestone, shells, and chalk or marl combined with shale, clay, slate, blast furnace slag, silica sand, and iron ore. The process is these ingredients are heated at high temperatures to form a rock-like […]
Micro silica contains trace amounts of heavy metal oxides and organic deposits, which originate from natural raw materials. … The advantages of using micro silica can be considerable as it reduces thermal cracking caused by the heat of cement hydration and can improve durability to attack by sulphate and acidic waters. Several materials have recently […]
After secondary refining what we do with the liquid steel. As we know that we have already made the casting so whatever processes we have to use for making clean steel requires control over all these undesirable elements. We have control the dissolve oxygen, control sulphur, nitrogen, hydrogen, carbon if it is a necessity we […]
Activated carbons were prepared from rice husk as following procedures: firstly, the rice husks were washed with water to remove dirt and other contaminants, oven-dried at 110 °C for 12 hrs then grounded and sieved to fractions with average particle size of 1.0 mm. Secondly; the prepared husks were carbonized at 400 °C under nitrogen […]