C Cophase™ Increasingly stringent environmental discharge requirements plus the constant pressure to reduce equipment footprint have led to the development of the Compact Flotation Unit (CFU). Clarification and Flotation S Sandliner The SandLiner desanding hydrocyclone liner efficiently removes damaging levels of solid particles such as sand, scale and corrosion products present in a produced water stream. STREAMLINER™ The purpose of the Veolia Water Technologies STREAMLINER™ de-oiling hydrocyclone is to separate free oil from produced water prior to discharge or injection.