Purification of oil
OwnerThomas PERSSONinventor
Life of this patent
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Abstract
A method and a system for purification of contaminated oil, said method comprising at least two phases: —a filter preparation phase which comprises the steps of: ∘ providing a depth filter by building at least a part of the depth filter from a filter material; and ∘ impregnating at least a part of said depth filter with a separation aid, and —an oil filtering phase comprising the step of filtering contaminated oil through said depth filter which has been prepared during the filter preparation phase.
Claims15
A method for purification of contaminated oil, the method comprising at least the following two phases:
- a filter preparation phase which includes the steps of:
- providing a depth filter by building at least a part of the depth filter from a filter material;
- and
- impregnating at least a part of the depth filter with a separation aid, and
- an oil filtering phase including the step of filtering contaminated oil, the contaminated oil being unmixed with separation aid, through the depth filter prepared during the filter preparation phase.
A system for purification of contaminated oil, the contaminated oil being unmixed with separation aid, the system comprising:
- a tank for containing contaminated oil to be purified and having an outlet;
- a filter device including a carrier layer onto which a depth filter can be built, an inlet fluidly connected with the outlet of the tank and an outlet;
- and
- a filter building arrangement fluidly connected to both of the inlet and the outlet of the filter device and configured to circulate a fluid over the filter device,
- wherein the filter building arrangement is configured for building at least a part of a depth filter in the filter device from a filter material by circulating a filter building oil and filter material over the carrier layer of the filter device, and
- wherein the filter building arrangement is further configured for impregnating at least a part of the built depth filter with a separation aid by circulating filter building oil with an added separation aid over the built depth filter.
Dependencies are inferred from the claim text.