GEA High Salt Wastewater Drying and Evaporation Process

GEA spray drying technology and proprietary equipment can effectively dry salty wastewater in various industrial processes, including wet flue gas desulfurization (FGD) wastewater. The heat in the flue gas can evaporate the moisture in the wastewater, turning it into a freely flowing dry powder that can be collected by downstream dust collectors, achieving zero discharge of wastewater.

process flow

GEA spray drying evaporation process is both efficient and simple, which is basically composed of a spray drying evaporation unit and a downstream dust collector. Under normal circumstances, the salt evaporated from the drying of wastewater is collected by the main dust collector and mixed with the flue gas fly ash.

If necessary, the dried salt can be separated and collected by a dedicated dust collector downstream of the drying tower. In this case, a booster fan needs to be installed behind a specially designed dust collector to return the filtered flue gas to the main flue gas pipeline.

Industrial application of spray drying technology

GEA spray drying evaporation solution is one of the economic and efficient ways to achieve zero wastewater discharge.

This solution can be applied to various types of wastewater evaporation, such as wet flue gas desulfurization (WFGD) processes used in power plants, or wet flue gas purification processes used in garbage incinerators or similar equipment.

Please contact GEA to evaluate the feasibility of waste water spray drying in your designated factory.