Normal Processing Procedure
The feed from the Bass Strait platforms consists of liquid and gaseous hydrocarbons, water (H2O) and hydrogen sulfide (H2S). The water and H2S are removed before reaching the plant, leaving a hydrocarbon stream to be the feed to Gas Plant 1. This stream contained both gaseous and liquid components. The liquid component was known as "condensate". The LPG is further extracted by means of a shell and tube heat exchanger, in which heated "lean oil" and cold "rich oil" (oil which has absorbed LPG) are pumped into the exchanger, cooling the lean oil and heating the rich oil.
Read more about this topic: Esso Longford Gas Explosion
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