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Title
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Optimal energy recovery from ammonia synthesis in a solar thermal power plant.
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Sub-Title |
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Subject |
Solar thermal. Ammonia synthesis, Optimal
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Sub-Subject |
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Author |
S. Siddiq, S. Khushnood, Z. U. Koreshi, M. T. Shah
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Publish Year |
2011 |
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Supervisor |
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Diss#. |
https://doi.org/10.1007/s13369-013-0552-y |
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Pages |
2569–2577 |
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Text Language |
English |
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Accession |
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Library Section |
Research Article |
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Abstract |
This work estimates the optimal performance,
and evaluates a process modification to approach optimal
ammonia production and subsequent energy produced,
in the ammonia synthesis heat recovery system for a 10
MW(e) solar thermal power plant which typically requires
a 1500-MTD ammonia synthesis reactor. The one-dimensional
steady-state pseudo-homogeneous plug flow model is
considered for the simulation of ammonia conversion in a
synthesis reactor. The mass and energy conservation equations,
together with the thermodynamics and reaction kinetics,
are numerically solved for the ammonia concentration
and temperature profile in the reactor. The resulting gas temperature
is compared with the optimal, and equilibrium, temperature
profiles, determined from a variational formulation.
It is found that with optimal performance, the ammonia production
can increase by 15%over that in the reference design.
This requires an inlet temperature of the order of 900Kwhich
exceeds industrially achievable in
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