.~ In a porous body or bed, e.g., surface combustion, etc.
DEFINITION
Classification: 431/7
(under subclass 2) Processes of injecting fuel into a bed of refractory material or a porous refractory member and burning it therein or adjacent its surface.
SEE OR SEARCH THIS CLASS, SUBCLASS:
170, for a furnace in which combustion takes place in a permeable mass.
326+, for a porous capillary, particulate or sieve-like flame holder.