Reverse osmosis filter AQUALITY® series

for wastewater treatmentwatermembrane

The AQUALITY® Reverse Osmosis technology makes use of semi-permeable membranes for the removal of dissolved salts and potential viruses from the feed water after suspended solids, viruses and colloidal material have been removed in a previous filtration step. While ultra-filtration will retain suspended solids, AQUALITY® RO will retain dissolved solids. Cross-flow filtration The AQUALITY®RO desalination process uses a pump and a semi-permeable membrane. The pump provides the driving force for the separation, while the semi-permeable membrane passes water in preference to the solute that is dissolved in the water. The majority of the solute is left behind to form a more concentrated stream. Since feed and concentrate stream move tangentially to the membrane, the filtration principle is called cross-flow filtration. Applications • Seawater desalination • Desalination of brackish water • Production of highly purified process water • Production of drinking water from any water source AQUALITY® High Recovery Reverse Osmosis AQUALITY® HRRO is an advanced Reverse Osmosis allowing to boost water recovery from 75 up to 95 percent Traditional reverse osmosis is designed in a sequential multi-membrane, multi-stage configuration, each membrane making a small contribution to the overall water recovery. Improved recovery is only achieved in adding RO stages, requiring higher Capex, Opex and footprint AQUALITY® HRRO features equal feed and permeate flow rates. At a predefined set point, the system automatically flushes out all the concentrate, returning to its normal operation mode. By increasing the cycles within the same configuration, recovery rates up to 95% can be achieved