Types Charcoal

binchōtan, japanese high grade charcoal made ubame oak



ogatan, charcoal briquettes made sawdust




burning ogatan



common charcoal made peat, coal, wood, coconut shell, or petroleum.
sugar charcoal obtained carbonization of sugar , particularly pure. purified boiling acids remove mineral matter , burned long time in current of chlorine in order remove last traces of hydrogen. used henri moissan in attempt create synthetic diamonds.
activated charcoal similar common charcoal made medical use. produce activated charcoal, manufacturers heat common charcoal in presence of gas causes charcoal develop many internal spaces or pores . these pores activated charcoal trap chemicals.
lump charcoal traditional charcoal made directly hardwood material. produces far less ash briquettes.
japanese charcoal has had pyroligneous acid removed during charcoal making; therefore produces no smell or smoke when burned. traditional charcoal of japan classified 2 types:

white charcoal (binchōtan) hard , produces metallic sound when struck.
black charcoal (ja)




a more recent type of factory-made briquettes:




ogatan made hardened sawdust. used in izakaya or yakiniku restaurants.


pillow shaped briquettes made compressing charcoal, typically made sawdust , other wood by-products, binder , other additives. binder starch. briquettes may include brown coal (heat source), mineral carbon (heat source), borax, sodium nitrate (ignition aid), limestone (ash-whitening agent), raw sawdust (ignition aid), , other additives.
sawdust briquette charcoal made compressing sawdust without binders or additives. preferred charcoal in taiwan, korea, greece, , middle east. has round hole through center, hexagonal intersection. used barbecue produces no odor, no smoke, little ash, high heat, , long burning hours (exceeding 4 hours).
extruded charcoal made extruding either raw ground wood or carbonized wood logs without use of binder. heat , pressure of extruding process hold charcoal together. if extrusion made raw wood material, extruded logs subsequently carbonized.




^  chisholm, hugh, ed. (1911). carbon . encyclopædia britannica. 5 (11th ed.). cambridge university press. pp. 305–307.