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Ammonia as an Energy Carrier for Renewable Energy

Presented on September 24, 2013 during the NH3 Fuel Conference 2013

Authors Ken-ichi Aika Japan Science and Technology Agency

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Abstract

At present, ammonia is mostly formed through reforming of natural gas (CH4). A 1,000 ton per day plant is said to consume about 35 GJ of natural gas to produce 1 ton of ammonia (22.5 GJ of enthalpy). About 50% of extra energy is wasted. If 1 ton ammonia is produced through water electrolysis, 22.5 GJ of electricity is necessary theoretically. Here again, extra electric energy must be wasted. The author discusses roughly how the efficiency depends upon the process size and the renewable energy cost.

Topics Ammonia Production Energy Carrier

Authors kenaika@c01.itscom.net

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