METHOD AND DEVICE FOR PROCESSING AN AQUEOUS WASHING MEDIUM CONTAINING POTASSIUM IONS AND/OR SULFUR OXIDES

摘要

The invention relates to a method for processing an aqueous washing medium which contains potassium ions and/or dissolved sulfur oxides and is obtained from a carbon dioxide separation process of a fossil-fired power plant. According to the invention, a container for removing potassium sulfate is provided and is operated as a cooling or evaporation crystallizer, and a classifier for holding back the formed potassium particles is provided in the container that is operated as a cooling or evaporation crystallizer. The invention further relates to a device.