![]() ![]() The heating element in the reagent tank is controlled automatically by an electronic controller in the control console. Water for the washing process is also preheated in this vessel. The reagent tank is used to make up caustic solutions and other additives and to preheat to the desired temperature prior to addition to the reactor. Vacuum suction is also used to charge the reactor with crude oil and to add reagents and bleaching earth from the appropriate vessels. ![]() Processing under reduced pressure prevents oxidation of the oil and promotes drying. A liquid-ring vacuum pump, also mounted within the framework, is used to create the desired vacuum in the vessel. A variable-speed agitator, electrical heating element, cooling coil and observation port are incorporated in the bleacher reactor, which is a vertical cylindrical vessel designed to process a 25-litre batch of oil. The main reactor vessel, reagent vessels, filter pump and filter are constructed from stainless steel and are mounted within a floor-standing, stainless steel framework. ![]()
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