TNB, Petronas & IHI Successfully Conduct Malaysia’s First Ammonia Co-Combustion Experiment For…


Tenaga Nasional Berhad’s (TNB) wholly-owned subsidiaries, TNB Research Sdn Bhd (TNBR) and TNB Power Generation Sdn Bhd (TNB Genco) together with IHI Power System Malaysia Sdn Bhd (IPSM) and PETRONAS Hydrogen Sdn Bhd (PETRONAS Hydrogen) have successfully conducted an ammonia co-combustion test as part of a joint initiative to decarbonise the country’s power sector. The ammonia and coal co-combustion test was recently carried out at TNBR’s test rig facility in Kajang, Selangor.

The experiment of ammonia co-firing was successful with Carbon Dioxide (CO2) and Sulfur Dioxide (SO2) emissions being reduced in accordance with the co-firing rate. In addition, there was no generic ammonia detected at the exit of the furnace during the experiment. The flame temperature for both cases of coal and co-firing do not vary significantly. The result seems to be in favour of the experiment objective towards decarbonisation, which would be a great opportunity for TNB to move forward in having pilot plants upon obtaining approval from the authorities.

The co-combustion test was led by IPSM, an expert in the development of ammonia combustion technology. PETRONAS Hydrogen’s role in the experiment is in supplying ammonia and the associated equipment while TNBR, which owned the test rig facility, supported the experiment through co-combustion execution that includes manpower, utility, and measurement devices. TNB Genco provided 3 types of coal that are currently being used in its existing coal power plant for the experiment.

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