Summary: Air, an important industrial raw material, is first filtered to remove any solid matter. Then its constituent gases-nitrogen, oxygen, and other trace gases-can be separated by compressing the air, cooling it, and then allowing it to expand, which cools it further. Since each gas liquefies at a different temperature, the gases can easily be separated. As the air expands, it is used to drive...
Format: software, multimedia
Publisher / Publication Date: Films Media Group 2007
View online at AVOD
Summary: Iron ore is reduced and manufactured into steel in a modern plant where, in a continuous process, ore is crushed and mixed with coke and then fed into the top of a blast furnace. Molten iron flows off from the bottom; slag is skimmed off; and iron is converted to steel by blowing oxygen through it to remove residual carbon, adding lime and magnesium powder to remove other trace solid...
Format: software, multimedia
Publisher / Publication Date: Films Media Group 2005
View online at AVOD
Summary: Polyethylene is one of many commercially important organic compounds derived from crude oil. This program demonstrates the polymerization of ethylene at different pressures and in the presence of different catalysts, depending on the intended end use of the polyethylene-low-density polyethylene for flexible products like film and plastic bags is produced at between 1500 and 2000 atm with trace...
Format: software, multimedia
Publisher / Publication Date: Films Media Group 2007