QS Monitor , a Masdar Tech Park company focused on food and water safety, has partnered with Israeli group Elgressy Engineering Services , a pioneer in electrochemical water disinfection and treatment, to deliver safer chemical-free water supply to the UAE. Established in 1987, Elgressy is a leader in chemical-free water and wastewater treatment technologies with thousands of installations across the world. The partnership will bring validated and innovative water treatment ...