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Climate change is now the biggest challenge that humanity has ever faced. With the global population growing and the use of fossil resources continuing to drive global warming, the problem needs to be solved. We need to provide both food and energy to the world's growing population, and do so sustainably. At thyssenkrupp we are driven by sustainability. To stop climate change we have developed technologies that make sustainability feasible for businesses, reduce the carbon footprint of industrial value chains, and accelerate the growth of renewable energy. This is exactly what motivated us to develop our green ammonia technology ‑ perfect not only for building new green ammonia plants but also for greening up existing plants by means of a revamp.
Ammonia is ideal for shipping green hydrogen and green energy across the globe. Why?
Ammonia has a higher volumetric energy density than hydrogen, which requires high compression and extensive cooling.
Ammonia is already being traded and transported in large quantities (around 20 million t/year) worldwide, global standards for safe handling practices have been established and the infrastructure is in place.
Ammonia cannot only be used as an energy carrier to transport hydrogen to where it is needed, but also as an emission-free marine fuel to power the ships or as a fuel for direct combustion in turbines.
Ammonia is equally essential in tackling the challenge of producing enough food to feed a growing global population as it can be used to produce low-carbon fertilizers. At the moment, 80 % of the annual global ammonia production of over 170 million metric tons is used for fertilizer production. However, its use as an electrical storage medium looks set to dwarf this figure.
Our green ammonia process based on AWE technology is an interesting option for greening existing ammonia plants, as the following diagram shows. The water electrolysis plant can be coupled with the synthesis section of your existing ammonia plant. Nitrogen is generated via air separation.
| Features | Ecological and Economic Benefits |
|---|---|
| Premium-grade product | High efficiency, yield and reliability |
| High flexibility in ammonia production | Low maintenance requirements |
| Entire plant of a modular design | Fully modularized technology for all capacities, resulting in low installation costs |
| Proven design for small-scale ammonia plants | Climate-friendly feedstocks: No CO2 emissions (depending on E-power source) |
| Proprietary Uhde® converter design | Independent of natural gas resources |
| Worldwide proven technologies at scale | Well-referenced electrolysis and synthesis design |
| Fast / dynamic response to fluctuating power input | |
| All technologies from a single source | |
| EPC competence with a strong holding company | |
| Know-How and experience |
thyssenkrupp Uhde connects 100 years of strong heritage with the future. Thanks to our innovations and solutions, we helped to provide food, mobility, and much more to the world. We strive to minimize emissions, reduce feedstock consumption - and with green chemicals, help to create completely CO2-free value chains.
