Fuels and Combustion
Beehive coke oven

Produces coke with very poor strength
Takes 2-3 days for coking of coal but requires no external fuel for heating
Gives larger yield of coke (around 85%) as compared to by-product ovens
Facilitates by-products recovery

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Fuels and Combustion
Combustion of pulverised fuel

Requires larger combustion chamber than rich gaseous fuel
Suppresses the discharge of fine dust and grit into atmosphere
All of these
In a metallurgical furnace does not contaminate the product in the furnace by ash from fuel

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