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Ammonia
Ammonia is a naturally occurring colorless gas used for a multitude of purposes including acting as a refrigerant and used as a household cleaning agent. However, the majority of industrial ammonia today is used for fertilizers. When applied to soil, it helps provide increased yield of crops such as corn and wheat. This application has been fundamental in feeding the global population for decades.
Ammonia - a versatile gas in a well established value chain
With an annual production of 180 million tons, ammonia is the second most produced inorganic chemical in the world after sulphuric acid. Production of ammonia on an industrial scale today can be done in several ways including:
- Ammonia synthesis from natural gas which is the most common production method today. By adding carbon capture to the process, this is called blue ammonia.
- Ammonia production through electrolysis of water. Using renewable energy for the production process can yield an entirely renewable value chain and it is therefore often called green ammonia. However the process is highly energy intensive.
Ammonia distribution by sea
At present, 10% of industrially produced ammonia is transported by sea. There is a comprehensive network of ports worldwide that handle ammonia in large scale. Although ammonia is highly toxic in nature, the experience of handling these characteristics is far reaching and shows that ammonia transfer and storage can be conducted safely.
As the ammonia value chain is well established today, the technology for storage and transportation is readily available. Canaf Energy's jettyless technology is easily adapted for ammonia transfer, for example to export ammonia from a production plant allowing for seaborne transportation, enabling the value chain without having to build a jetty or quay.
As the ammonia value chain is well established today, the technology for storage and transportation is readily available. Canaf Energy's jettyless technology easily adapted for ammonia transfer, for example to export ammonia from a production plant allowing for seaborne transportation, enabling the value chain without having to build a jetty or quay.
Ammonia as a fuel
Ammonia as a fuel is gaining more traction, and can be utilized through direct combustion or by chemical reaction with oxygen in a fuel cell to produce electricity to further power a motor. The energy density is about a quarter of conventional fossil fuels.
Ammonia as energy storage - Power-to-Ammonia (P2A)
Energy produced through wind or solar power can be stored as ammonia through electrolysis. Storage as ammonia is advantageous as it can be stored at relatively low temperature (approx -34 deg C) or pressure (10 bar) and has lower production and transportation costs when compared to other carbon neutral fuels. As the ammonia value chain is well established today, the technology for storage and transportation is readily available.
Using ammonia as energy storage makes it easier to store remotely produced energy, which is both cheaper than investing in electricity grids over long distances, and also more versatile as ammonia could also be used for producing chemicals in addition to electricity if the demand fluctuates over time.
The hydrogen content of ammonia makes it a beneficial way to store hydrogen, which given its properties, makes it less costly to store than hydrogen in its pure form. Using a cracker, ammonia can be converted to hydrogen before usage in fuel cells to produce electricity.
Business as usual for Canaf Energy
Ammonia has many uses and will aid the transition into a greener future. To meet the need for developing infrastructure for transportation of ammonia by sea, the IQuay is fully applicable for ammonia transfer from ship to onshore or floating storage facilities and bunkering of ammonia fuelled vessels.