|
Signs of birth. Since the middle of the 20th century, technology has grown faster and faster. It was only six and a half years since the discovery of uranium fission in January 1939 to the first atomic bomb exploded in July 1945. The emergence of electronic computers has led to more profound changes in the fields of human social life. These technological breakthroughs can be called technological revolutions
Some algae species are 50% or more lipid oil by weight. This oil may be pressed from the algae and refined into diesel. The process for extracting algal oil, at its simplest level, resembles pressing an olive. Up to 75% from the oil might be squeezed from algae using a simple mechanical press. Hexane might be used being a solvent to raise extraction up to 95%. Once extracted, the oil is refined through transesterification. A catalyst including sodium hydroxide is combined with alcohol to make biodiesel and glycerol.
Ethanol can be accomplished from vegetation these as corn, sugar cane, timber or manioc, to title just a several. It can be utilised to supplement petroleum, or neat in suitably adapted devices. In point ethanol was typically utilised as a supplementary fuel way back within the forties. It fell into disuse for economic explanations. Petroleum could possibly be pumped from huge fossil fuel lakes much more cheaply, and the exploding population demanded raising supplies of foods.
New Car Buying Tips--


Copyright ?1998-2017 Technews Corp, All rights reserved
|
