Glossary

Object filter: Filter plant
Occupational limit value: Average concentration of a substance from the air in work places.
OEB: Occupational exposure band
OEL: Occupational exposure limit
Offline cleaning: Filter cleaning and filtration are not performed simultaneously within a filter chamber.
Oleophobic: Oil repellent
Online cleaning: Filter cleaning and filtration are performed simultaneously within a filter chamber.
Operating condition: Volume flow, temperature and pressure und process conditions
Operating volume flow: see volume flow