1. Filtration Theory
1.1 Filtration Efficiency: Definition and Experimental Determination
A fibrous filter medium (filter) is defined as a material through which a fluid (gas or liquid) can be passed to remove solid impurities (particles), regardless of their chemical composition.
The efficiency () of a filter is therefore defined as the ratio of the experimentally measured difference in particle concentration between the upstream () and downstream ()...
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Filtration Theory
Difference between nonwovens and woven or knitted fabrics: a matter of scale
Bibliography
- (1) - EUROPEAN ENVIRONMENT AGENCY (EEA) - Harm to human health from air pollution in Europe: Burden of disease status - (2025). https://www.eea.europa.eu/en/analysis/...
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