Waste gas or vapours are intensively mixed with the cooled liquid in a jet nozzle or column. This results in an intensive mass transfer of the gas and liquid phase at the desired homogeneous mixing temperature and specified process pressure, which leads to a defined depletion of the exhaust gas contents. Waste gas and liquid flow together into the temperature-controlled sump V01, where the cleaned waste gas is separated from the liquid and, depending on the process requirements, a vacuum pump or blower is connected downstream. The liquid which is led into sump V01 with the exhaust gas is collected, tempered and recirculated. For many batch processes, it is sufficient to treat the loaded liquid after the process; for larger loading quantities, continuous depletion or pumping of loaded solvent is required.
The process for vapour streams is similar. The quantity and temperature of the distillate pump is adjusted so that complete condensation takes place with defined subcooling of the distillate.
For the recovery of partial fractions, for example aromas in beverage production or partial components to be recovered from waste gas, a multi-stage mixed condensation with specifically adjusted individual process conditions (pressure & temperature) can be used.