Add Yahoo as a preferred source to see more of our stories on Google. Coffee grounds biodiesel could become cleaner and more efficient through a one-hour oil extraction process that preserves useful ...

Liquid-liquid Extraction (LLE) is an often overlooked process step that can lead to different bottlenecks during scale up and production of a wide range of pharmaceuticals, fine chemicals and ...

The goal of the proposed solvent-extraction process is to extract cesium ions from the aqueous supernate into a second (nonaqueous) solvent, thereby reducing the radionuclide content of the supernate ...

・Used coffee grounds contain oils that can serve as a raw material for biodiesel. ・A one-hour process recovered most of the available oil with far fewer impurities than a standard laboratory method.