... .control:automatic; 4.material:stainless steel; water treatmentHJ-RO Series Reverse Osmosis Equipment ,20t/h, salt remove rate >98 ... equipment composes of reverse osmosis membrane component which is the core, high pressure multi-level centrifugal pump, high pressure ... colloid, bacterium, virus and most organic from water. The reverse osmosis membrane desalt technique features higher efficiency, cost ...