PPGT-BE Solvent Extraction Plant is designed to remove the undesirable ingredients such as PAHs, gums, asphaltenes, sulfur compounds, nitrogen compounds, oxygen compounds from the base oil. PurePath engineers team has redesigned the whole extraction process and applied continuous reverse solvent extraction column which is especially targeting for base oil produced from waste oil refin... https://www.purepathtech.com/base-oil-solvent-extraction-plant