Petroleum or crude oil is a naturally occurring, toxic, flammable liquid consisting of a complex mixture of hydrocarbons of various molecular weights, and other organic compounds, that are found in geologic formations beneath the Earth's surface. Petroleum is recovered mostly through oil drilling. It is refined and separated, most easily by boiling point, into a large number of consumer products, from gasoline and kerosene to asphalt and chemicals used to make plastics and pharmaceuticals.
Petrochemicals are chemical products made from the hydrocarbons present in raw natural gas and petroleum crude oil. The largest petrochemical manufacturing industries are to...
Strait of MalaccaLast Updated on 2013-05-19 at 18:27
The Strait of Malacca, located between Indonesia, Malaysia, and Singapore, links the Indian Ocean to the South China Sea and Persian Gulf. The length of the strait is about 800... More »
PetroleumLast Updated on 2013-05-10 at 10:54Petroleum or crude oil is a naturally occurring, toxic, flammable liquid consisting of a complex mixture of hydrocarbons of various molecular weights, and other organic compounds,... More »
Energy profile of IranLast Updated on 2013-05-09 at 20:01
Iran, a member of the Organization of the Petroleum Exporting Countries (OPEC), ranks among the world's top four holders of both proven oil and natural gas reserves.... More »
Natural gasLast Updated on 2013-05-08 at 17:54
Natural gas is a gas consisting primarily of methane (CH4). It is found as a raw naturally occurring gas in underground reservoirs, as gas associated with underground... More »
HydrodesulfurizationLast Updated on 2013-04-29 at 20:07
Hydrodesulfurization (HDS) or Hydrotreating is a catalytic chemical process widely used to remove sulfur compounds from refined petroleum products such as gasoline or petrol,... More »
ToxicityLast Updated on 2013-03-28 at 16:27
Toxicity is complex with many influencing factors; dosage is the most important. Xenobiotics, or chemicals foreign to the body, cause many types of toxicity... More »