Environmental technology that turns waste into value

Deha Industry started investing in the recovery of zinc oxide from the waste of steel production facilities, known as electric arc furnace dust (EAFD). The company is located in the Incesu Organized Industrial Zone in Kayseri, Turkey. Among the leading facilities in the world with its technological investment and environmental awareness approach, Deha operates all production facilities on a 70,000 m² area. The investment was completed and production activities started in 2021. DEHA INDUSTRY takes its place among the important players of the sector with its 150,000 tons of EAFD processing and 50,000 tons of zinc oxide production capacity.

The production process follows in three units. First, the Waelz Oxide part consisting of a batch plant, a 64-meter length × 4.2-meter diameter rotary kiln, a dust settling chamber and a filter part. Second, the washing (leach) plant with leach tanks and double wash thickeners, a filter press and a water treatment unit. Third, the clinker process to separate lead from zinc in a 40-meter length × 3-meter diameter rotary kiln, a cooling zone and a bag filter part.