This publication is intended to serve as a basic introduction to the world of separation science. It encompasses all of the major separation techniques in current use in industry, explaining the principles, operation and applications of each technique. Coverage includes filtration and speciality membrane processes, sedimentation and centrifugation, evaporation, crystallisation, flotation, distillation, chromatography, liquid-liquid extraction, gas-liquid, gas-solid, solid-solid and gas-gas techniques.