An economic basis for littoral land-based production of low carbon fuel from nuclear electricity and seawater for naval or commercial use

Willauer, Heather D.; Hardy, Dennis R.; Moyer, Seth; DiMascio, Felice; Williams, Frederick W.; Drab, David M.

doi:10.1016/j.enpol.2015.02.006

Cited by 10 publications

(2 citation statements)

References 17 publications

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“…A sea-based fuel synthesis process [ 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 ] refers to the new technology of the catalytical synthesizing of fuel by the carbon and hydrogen captured from seawater by using an electrochemical method. The engineering application of the technology will guarantee the safety of military energy on the ocean, and will also expand the sources of renewable energy.…”

Section: Introductionmentioning

confidence: 99%

Finite-Time Thermodynamic Modeling and Analysis of Seawater Acidification Process in Electrochemical Acidification Cell

Wang

Xia

Xie

2022

Entropy

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The unsteady process of the acidification of seawater by using an electrochemical acidification cell (EAC) is studied in this paper. The model of the concentration of hydrogen ions (H+) in the effluent seawater and the cell voltage of EAC varying with time and working current are built by applying the theory of finite-time thermodynamics, respectively. The semi-empirical formulas of the concentration of H+ in the effluent seawater and the cell voltage under the constant current of the Ionpure EAC are obtained, respectively, by fitting the experimental data of the Ionpure EAC. Then, the simulated data are compared with the experimental data. The total work consumption and average power consumption of the Ionpure EAC are obtained from the semi-empirical formulas. The results show that the semi-empirical formulas can simulate the operation process of the Ionpure EAC well. The validity of the models is verified. The increase of the working current will increase the total work consumption and average power consumption of the Ionpure EAC. The proper current can be selected in engineering practice to achieve different goals, such as high efficiency or energy consumption. The obtained results can provide some guidelines for the optimal design and optimization of EAC.

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Section: Introductionmentioning

confidence: 99%

Finite-Time Thermodynamic Modeling and Analysis of Seawater Acidification Process in Electrochemical Acidification Cell

Wang

Xia

Xie

2022

Entropy

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“…The littoral fuel production in naval scenarios can significantly reduce the dependence on valuable fossil fuels, as well as the transportation costs and the resulting vulnerabilities from oil delivery. Research achievements related to sea-based fuel synthesis can also contribute to relieve extreme oil demand in remote fossil fuel poor locations [ 7 , 8 , 9 ].…”

Section: Introductionmentioning

confidence: 99%

Entropy Generation Minimization for Reverse Water Gas Shift (RWGS) Reactors

Zhang

Chen

Xia

et al. 2018

Entropy

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Thermal design and optimization for reverse water gas shift (RWGS) reactors is particularly important to fuel synthesis in naval or commercial scenarios. The RWGS reactor with irreversibilities of heat transfer, chemical reaction and viscous flow is studied based on finite time thermodynamics or entropy generation minimization theory in this paper. The total entropy generation rate (EGR) in the RWGS reactor with different boundary conditions is minimized subject to specific feed compositions and chemical conversion using optimal control theory, and the optimal configurations obtained are compared with three reference reactors with linear, constant reservoir temperature and constant heat flux operations, which are commonly used in engineering. The results show that a drastic EGR reduction of up to 23% can be achieved by optimizing the reservoir temperature profile, the inlet temperature of feed gas and the reactor length simultaneously, compared to that of the reference reactor with the linear reservoir temperature. These optimization efforts are mainly achieved by reducing the irreversibility of heat transfer. Optimal paths have subsections of relatively constant thermal force, chemical force and local EGR. A conceptual optimal design of sandwich structure for the compact modular reactor is proposed, without elaborate control tools or excessive interstage equipment. The results can provide guidelines for designing industrial RWGS reactors in naval or commercial scenarios.

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Construction of oxime-functionalized PCN-222 based on the directed molecular structure design for recovering uranium from wastewater

Bi,

Zhang,

Wang

et al. 2024

Environ Sci Pollut Res

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An economic basis for littoral land-based production of low carbon fuel from nuclear electricity and seawater for naval or commercial use

Cited by 10 publications

References 17 publications

Finite-Time Thermodynamic Modeling and Analysis of Seawater Acidification Process in Electrochemical Acidification Cell

Finite-Time Thermodynamic Modeling and Analysis of Seawater Acidification Process in Electrochemical Acidification Cell

Entropy Generation Minimization for Reverse Water Gas Shift (RWGS) Reactors

Construction of oxime-functionalized PCN-222 based on the directed molecular structure design for recovering uranium from wastewater

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