1.3 PROBLEM PT. PERTAMINA RU. III Plaju is a result of production can Persero grouped into 4 product, namely oil fuel (BBM), Special Fuel (BBK), Non fuel (NBM) and Petrochemicals. Raw materials for fuel, BBK and NBM used Crude materials obtained from mines. While raw material for Petrochemical products used propane and propylene paraxylene materials obtained from PT PERTAMINA RU IV Cilacap refinery FCCU and s. Gerong. PT. PERTAMINA RU. III Plaju.One of the main processes of petroleum processing and petrochemicals in the Refinery Unit III Plaju rivers Gerong is the Primary Process. The primary Process is the process of pemiasahan components of crude oil which is done physically, i.e. by way of distillation at atmospheric pressure or vacuum pressure. Some of the results of the distillation of some became direct and partly product must pass through the stages of secondary process for further processing. Unit operations are used in this process is the Crude Distiller (CD) and atmospheric pressure Redistiller. On a Crude unit unit consists of a Distiller CD CD II, III, IV and V CD CD. By looking at this condition, then we want to find out more about the processes that occur in the operating unit Crude Distiller (CD) II of PT. Pertamina RU. III Plaju. Where on the unit operation Crude Distiller (CD) II serves to separate the fractions-fraction of crude oil by utilizing the difference in boiling point at atmospheric pressure. To fulfill his duties, this unit is equipped with five fraksionasi columns, a single evaporator, two furnaces, and other support tools. The bait coming into the unit this is the crude oil that is derived from the SLC and Jene. Products produced in this unit include Gas, Crude, SR Buthane Tops, Naphtha II, LKD, LCT and Long residue.
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