1. As well as combustible adsorber (e.g. active charcoal), the bed of the adsorber (4) contains so much incombustible, hydrophilic material that the mixture is incombustible.

Outre l'adsorbant combustible (par ex. charbon actif), le lit de l'adsorbant (4) contient autant de matériau hydrophite non combustible que le mélange n'est pas combustible.