The process of painting and drying car bodies produces gaseous pollutants that have to be removed from the air depending on the paint system and statutory requirements. Innovative recuperative incinerators are ideally suited for cleaning exhaust air flows from dryers because the heat energy contained in the clean gas can be re-used in the drying process. Recuperative oxidizers, such as Durr System's Ecopure TAR line, can be used for cleaning exhaust air from paint spray booths. The painting process produces particularly large exhaust air volume flows that have only low pollutant loads. For this reason, a system for concentrating the solvent-laden exhaust air flows -namely the Ecopure KPR concentrator line - can be installed between the paint spray booth and the exhaust air purification system. How it works: the exhaust air volume flow is reduced significantly for the subsequent thermal exhaust air purification process. The resulting increase in the pollutant concentration significantly decreases gas consumption because the energy contained in the pollutants makes a contribution during oxidation.
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