State of the art in fermentation air filtration

This article presents several characteristics of a state‐of‐the‐art fermentation air filter. The filter medium is composed solely of PTFE and has an absolute pore size rating of 0.2 μm. Quantitative bacteria and bacteriophage retention is shown based on live organism challenge tests. A nondestructiv...

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Veröffentlicht in:	Biotechnology and bioengineering 1984-08, Vol.26 (8), p.844-847
1. Verfasser:	Conway, Robert S.
Format:	Artikel
Sprache:	eng
Schlagworte:	air Biological and medical sciences Biotechnology fermenters filters Fundamental and applied biological sciences. Psychology Methods. Procedures. Technologies Microbial engineering. Fermentation and microbial culture technology sterility
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Beschreibung
Zusammenfassung:	This article presents several characteristics of a state‐of‐the‐art fermentation air filter. The filter medium is composed solely of PTFE and has an absolute pore size rating of 0.2 μm. Quantitative bacteria and bacteriophage retention is shown based on live organism challenge tests. A nondestructive filter test, correlated to the microorganism challenge tests and called the Forward Flow Integrity Test, is described. This test has a sensitivity of one part in 1012 and can be performed in situ.
ISSN:	0006-3592 1097-0290
DOI:	10.1002/bit.260260805