(435i) Ocean Thermal Energy Ammonia Production and Heat Transport to Reverse Global Warming
AIChE Annual Meeting
2019
2019 AIChE Annual Meeting
Topical Conference: Ammonia Energy
Poster Session: Ammonia Energy
Tuesday, November 12, 2019 - 6:00pm to 8:00pm
The processes for ocean surface warming are highly nonlinear and involve mass transport, chemical adsorption, radiative heating, conduction, evaporative cooling, re-radiation to the atmosphere and ultimately to space, and localized effects of ocean currents in 3D. 98% of the earth's CO2 is trapped in the ocean, mostly below 500m depth within the thermocline and in substances lying on the ocean floor. The size of the heat sink represented by the "cold ocean mass" in the tropics needs to be more than roughly 300 times or larger resource than that of the OTEC power generation over a year so that OTEC may become a third order effect.
This approach is enabled by the wide acceptance and use of anhydrous ammonia to replace virtually all fossil fuels. Ammonia is the best possible means to transport hydrogen to all end users, and contains two to three times as much energy per unit volume than hydrogen itself. This paper presents the concept tying together the key elements of OTEC design, engineering cost estimates, deployment strategies, expected environmental and societal advantages, economics, and its impact upon sustainability and continuation of the earthâs ecosystem.
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