One of the biggest foreign contracting companies in Turkey, Polimeks İnşaat A.Ş. has subcontracted DESER KIMYA for flushing and pickling of heating appliances in the Turkmenistan, Ashgabat International Airport project. Using Deser's on site mobile flushing unit sludge, sediment and bacteriological pollution has been removed from heating devices. During the application, an on-line analyzer was used and a three-stage chemical washing procedure was carried out by automatic dosing in line with the system water analysis values. The circulation water was delivered with a value of <20 fau turbidity.