Tribo Flow Separations, LLC (TFS) supplies more environmentally friendly dry powder purification options and technology to various clients. Using gas transport, triboelectric purification (TEP) technology, TFS also provides consulting and powder purification services, focused and collaborative R&D, and equipment sales. The TEP system removes physically segregated impurities in industrial and mineral powders. It eliminates impurities in order to extend the life of metal machine parts and prevent adverse reactions (e.g. in prostheses constructed of purified metals prevent human tissue reactions).