Fuels and Combustion
Stack heat losses can be minimised by

Maintaining proper draft in the furnace
Oxygen enrichment of combustion air
Using low c.v. fuels
Controlling the excess air

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Fuels and Combustion
Calorific value of

Light paraffinic fuel oils is lower than that of equivalent olefins
N-paraffin is lower than that of iso-paraffins of the same compounds
Light paraffinic fuel oils is higher than that of equivalent olefins
Light paraffinic fuel oils is equal to that of equivalent olefins

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