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The process of clarification is done on the station are as follows:
1. Continuous Settling Tank (CST) Continuous Settling Tank or better known as the CST is an open cylindrical vessel vertical on the bottom of the conical shape (cone), a tool or a tube is created as a place of deposition as well as the initial separation between the oil with the sludge (mud + water), while the feedback from CST is derived from the pumping of crude oil which is at the top of the COT. This process will be successful if the temperature is maintained 95 0 C so that the temperature is expected to happen a real difference in specific gravity between oil with sludge and this will cause the oil has a lighter specific gravity will be at the top, besides the process of stirring with an agitator should not exceed 2-3 rpm and feed stable and balanced between inputs and outputs must be maintained so as not to cause turbulence or turmoil that led to the separation process is unlikely, turbulence can also be caused by warming temperatures that are too high. To achieve and maintain a working temperature of the CST is the heating equipment was installed with a steam pipe or open a closed steam coil, steam as a heating source is obtained from the remaining steam turbine
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