Adsorption plants
Adsorption plants are typically used to recover expensive solvents by means of steam, inert gas or hot air for stripping. Adsorbers are activated coal or zeolite. Where steam is used, the polluted water is treated in a waste water cleaning plant. Closed-circuit designs prevent the problem from being shifted from the exhaust air to the waste water.
Concentrators are suitable for all operations that:
- generate pollutants in the exhaust air
- recover solvents
- generate small to medium exhaust air volumes (50 to 20,000 m³/hr)
- generate medium to high pollutant concentrations (1.5 to 20 g/m³)