Standard [CURRENT]
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This document specifies the technology of biological exhaust air purification. For better understanding, the most important procedural principles of this method are first described. Based on this, the relevant requirements for a possible application are then specified. The different variants of this technique are also presented. Committee NA 134-01-37 AA "Biologische Abgasreinigung - Biowäscher und Biorieselbettreaktoren (Spiegelgremium zu ISO/TC 142/WG 13)" ("Biological waste gas purification -Bioscrubbers and biological trickle bed-reactors (mirror committee to ISO/TC 142/WG 13)") at DIN is responsible for this document.