HEATER-TREATERS
A heater treater is normally used in treating oil emulsions.
Oil treating equipment generally makes use of different methods such as mechanical, thermal and gravity. Some other times it may depends on certain chemical or electrical methods to break emulsions .
Heater treaters can be vertical or horizontal design. The size
is depend upon the volume of the oil and water to be handled.
Treaters equipped with electrodes are normally horizontal in
design. They are refered to as electrostatic coalescers or chem.- electric heaters
.In some applications these treaters are the most desirable because they treat at
a temperature lower than the conventional heater-treater ., saving fuel and conserving
oil gravity .
DESALTERS
Desalters are similar to oil treaters in design and function
.Desalters function by using fresh or blackish water are used to dilute the brine and increase
the volume of salt water in the oil so that they will be more easily precipitated
.Desalters generally go for electrostatic precipitation method.
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