Monograph . — Kazan: Kazan . gov. Technologist. Unt, 2005. — 156 s. — ISBN 5-94981-058-7 The monograph presents the methodology for cleaning industrial wastewater from insoluble solid and liquid suspended . Among the existing methods of purification, the greatest attention is paid to the promising flotation method of wastewater treatment. The theoretical foundations of the flotation process are considered, the instrumentation of various methods of flotation cleaning is carried out, the energy costs are estimated. Proposed new designs of jet flotation vehicles, the method of their calculation and efficiency determination.