CRUDE OIL Crude oil is a flammable liquid found in subterranean deposits and best known for its use as a fuel and as a raw material for chemical products. It was originally created from the remains of animals and plants that lived in a water environment. Millions of years ago, much of the earth was covered by seas- more than it is today. Countless millions of tiny creatures and plants lived in these seas. When …showed first 75 words of 2335 total…

…showed last 75 words of 2335 total…atmospheric and vacuum distillation sour (high-sulfur) crudes are produced, there is a potential risk of exposure to hydrogen sulfide in the pre-heat exchanger and furnace, tower and over head system and bottoms exchanger. Waste water may contain water-soluble sulfide's in high concentrations and other water soluble compounds that are extremely toxic. In order to minimise accidents in the workplace safety precautions must be taken such as wearing precautionary clothing when working and head gear etc.