Fuels and Combustion
In Lurgi coal gasifier,

Low carbon conversion efficiency is achieved
Larger quantity of coal can be processed
Coking coals cannot be used
Entrainment of solids is higher

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Fuels and Combustion
Beehive coke oven

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

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