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- countercurrent extraction: A process of liquid-liquid extraction where the solvent and the process stream in contact flow in opposite directions. more
- extraction column: A vertical, cylindrical-shaped process vessel in which the mixtures are separated from a liquid feed by countercurrent contact with a selective solvent. more
- Frazer-Brace extraction method: A procedure used to draw oil from citrus fruits, in which a machine with abrasive carborundum rolls grates the peel from the fruit under a water spray; the mixture of water and peel is screened to...more
- phenol extraction: A petroleum-refinery solvent-extraction process used to improve the lubricating, stability, and flow properties of lubricating oils by removing asphalt and sulfur compounds with molten phenol. more
- supercritical fluid extraction: A solvent-extraction process that uses a supercritical fluid as the selective solvent. more
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