Method of and apparatus for removing oil from a waste object
AssigneeMatsushita Electric Industrial Co., Ltd.
InventorsHiroshi Takano, Tetsushi Yonekawa
Life of this patent
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Abstract
A waste object containing oil has a first opening formed therein at an upper portion thereof and a second opening positioned below the first opening. The first and second openings are connected to a recovery tank. Hot water of a predetermined temperature is held in the recovery tank and is caused to accumulate inside the waste object via the second opening. Oil that has floated upwards is recovered in the recovery tank via the first opening.
Claims12
A method of removing oil from a waste object, comprising the steps of:
- attaching an oil recovery vessel to a first opening provided in an upper portion of a waste object containing oil;
- injecting water into the waste object via a second opening positioned below the first opening, thereby causing water to accumulate inside the waste object and causing the oil inside the waste object to float upwards;
- and
- recovering the oil that floats upwards in the oil recovery vessel.
A method of removing oil from a waste object comprising the steps of:
- connecting a recovery tank to a first opening provided in an upper portion of a waste object containing oil and to a second opening positioned below the first opening;
- injecting water of a predetermined temperature held in the recovery tank into the waste object via the second opening, thereby causing water to accumulate inside the waste object and causing the oil inside the waste object to float upwards;
- and
- recovering the oil that floats upwards in the recovery tank via the first opening.
A method of removing oil from a waste object comprising the steps of:
- connecting a heated fluid source and a recovery tank, respectively, to a first opening and a second opening provided in a waste object containing oil;
- causing the oil inside the waste object to flow out via the second opening, by supplying a heated fluid to the inside of the waste object via the first opening;
- and
- recovering the oil discharged from the second opening in the recovery tank.
Dependencies are inferred from the claim text.