All Services Engineering & Architecture water purification $5/hr · Starting at $25 Engineer designer in the field of water purification. Development of the technological scheme of water purification, development of design documentation. Reverse osmosis, nanofiltration, ultrafiltration, deironing, etc. About $5/hr · Ongoing Download Resume Engineer designer in the field of water purification. Development of the technological scheme of water purification, development of design documentation. Reverse osmosis, nanofiltration, ultrafiltration, deironing, etc. Skills & Expertise DesignDesigner 2000EngineeringSchemeSoftware Development 0 Reviews This Freelancer has not received any feedback. Browse Similar Freelance Experts EngineersDesignersDesigner 2000 ExpertsSoftware Developers