Abstract
A method and apparatus for recycling waste lubrication oil for reuse as fuel oil includes a fuel pump (12) fluidly coupled to a source of fuel oil (18) and fluidly feeding a flow meter (30) which is electrically coupled to a control circuit (50). A waste oil pump (20) is fluidly coupled to a waste oil source (28) and to at least one depth media filter (22) and is electrically coupled to the control circuit (50). The outputs of the flow meter (30) and the depth media filter (22) are fluidly coupled to a static mixer (34) which is fluidly coupled to a coalescer (40). The output of the coalescer (40) supplies a clean dehydrated blend of fuel oil and waste oil. The control circuit (50) adjusts the flow rate of the waste oil pump (20) according to the flow meter (30) and a pre-selected ratio of fuel oil to waste oil in infinite increments from 0 to 10 %.
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