Apparatus and method for reclaiming useful oil products from waste oil including hydrogen injection
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United States of America Patent
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Oct 19, 2004
Issued Date -
N/A
app pub date -
Jan 6, 2003
filing date -
Sep 20, 1988
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An apparatus and method for reclaiming a useful oil product, from waste oil provides an evaporation chamber in which waste oil is heated and vaporized, preferably at a temperature which causes some cracking of the oil. Hydrogen is injected into the vaporized oil, so to cause saturation of at least some of the olefins in the vaporized oil. The vaporized oil is then condensed and recovered as a useful oil product. The apparatus operates at substantially atmospheric pressure, or a pressure only slightly above atmospheric pressure. Hydrogenation of the vaporized oil stabilizes the recovered oil, and prevents formation of tars and other heavier hydrocarbons, which can cause difficulties in use of the recovered oil.
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