FIELD: oil and gas industry.
SUBSTANCE: invention pertains to field of oil preparation for refining. Invention refers to oil (water-oil emulsion) dehydration method that includes oil mixing with magnetic liquid, oil separation into dehydrated oil and water phase in gradient magnetic field and further separation of magnetic particles from dehydrated oil, note that magnetic liquid received from kerosene oil and iron-containing wastes of the production is used, note that water-oil emulsion is mixed with magnetic liquid in relation 1:0.01.
EFFECT: oil dehydration efficiency increase with decrease of capital and operation costs.
2 dwg
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