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.

2. Asbestos definition, a fibrous mineral, either amphibole or chrysotile, formerly used for making incombustible or fireproof articles

3. The incombustible hydrophilic material adsorbs more than 3 % of its weight of water and, during the desorption cycle, returns it to the gas passing through the bed.

4. Meaning "mineral capable of being woven into incombustible fabric" is from c.1600 in English; earlier this was called Amiant (early 15c.), from Latin Amiantus, from Greek

5. The Greek word was used by Dioscorides as a noun meaning "quicklime." "Erroneously applied by Pliny to an incombustible fibre, which he believed to be vegetable, but which was really the Amiantos of the Greeks" [OED]

6. The older and simpler kind of incinerator was a brick-lined cell with a fixed metal grate over a lower ash pit, with one opening in the top or side for loading and another opening in the side for removing incombustible solids called clinkers.