archives

chemical refining

This tag is associated with 2 posts

Introduction to Chemical Refining

Chemical refining is the traditional method used in past centuries. The main purpose of chemical refining is to saponify the FFA by an alkaline solution and dilute the resulting soaps in a water phase. These soaps are removed by separators. The neutral oils are subsequently bleached and deodorised. This chemical refining can be used for … Continue reading

Oil Purification Process – An Introduction

Crude oil contains desirable and undesirable compounds. Desirable compounds include triacylglycerides (TAGs) (neutral lipids) and health beneficial compounds such as tocopherols and phytosterols. Undesirable compounds or impurities consist of non-triacylglycerol components such as free fatty acids (FFA), partial acylglycerols, phosphatides, metallic compounds, pigments, oxidation products, pesticides, glycolipids, hydrocarbons, sterols, waxes, etc. Impurities can negatively influence … Continue reading