Feasibility Study : Fuel Conversion


A change in fuel type is generally motivated by the desire to reduce costs. But is this the sole factor to consider when making the decision?

The plant’s rotary kilns were consuming Heavy Fuel Oil (HFO). The company had expressed a desire to switch to an alternative fuel. The two possibilities were natural gas or pyrolysis oil (RFO).

In order to make an informed decision, BMA calculated the impact of both conversions on supply, global performance and resulting emissions, and thus determined which modifications would be required in terms of burners and auxiliaries.

BMA’s main challenge with this study was determining the impact of a fuel change on fan capacity. The rotary kiln uses a complex procedure involving several fans which must operate in tandem. An analysis of the current data allowed BMA to determine the available margin on each fan, for different product grades.

Metallurgical plant
Port Cartier, Quebec



Feasibility Study
Preliminary engineering
Impact assessment of the use of alternative fuels (gas flow rate, energy loss, heat transfer, etc.)
Fan capacity study
Pollutant emissions study



Conversion from oil to natural gas

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