An Economic and Environmental Assessment for Microalgal Energy Systems

Po-Han, Wang, Jo-Shu Chang, Wei Wu, Erdorng Wu

Research output: Contribution to journalConference article

Abstract

The superstructure modeling of microalgal energy system including cultivation, dewatering, harvesting, extraction, biodiesel production, gasification and power output is achieved by using Aspen Plus® and experimental data. To address the multi-objective optimization (MOO) of microalgal energy system with respect to e economic cost and life cycle assessment (LCA), the mixed-integer nonlinear programming (MINLP) is solved by GAMS ® . Bilinear relaxation is applied for the nonconvex constraints to reach the global optimum by using the piecewise bilinear relaxation convex envelope. Finally, a Pareto-curve graph for evaluating the trade-offs between environmental impacts and economic feasibility is successfully investigated.

Original languageEnglish
Pages (from-to)3051-3061
Number of pages11
JournalEnergy Procedia
Volume105
DOIs
Publication statusPublished - 2017 Jan 1
Event8th International Conference on Applied Energy, ICAE 2016 - Beijing, China
Duration: 2016 Oct 82016 Oct 11

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Economics
Dewatering
Nonlinear programming
Biodiesel
Multiobjective optimization
Gasification
Environmental impact
Life cycle
Costs
Environmental assessments

All Science Journal Classification (ASJC) codes

  • Energy(all)

Cite this

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abstract = "The superstructure modeling of microalgal energy system including cultivation, dewatering, harvesting, extraction, biodiesel production, gasification and power output is achieved by using Aspen Plus{\circledR} and experimental data. To address the multi-objective optimization (MOO) of microalgal energy system with respect to e economic cost and life cycle assessment (LCA), the mixed-integer nonlinear programming (MINLP) is solved by GAMS {\circledR} . Bilinear relaxation is applied for the nonconvex constraints to reach the global optimum by using the piecewise bilinear relaxation convex envelope. Finally, a Pareto-curve graph for evaluating the trade-offs between environmental impacts and economic feasibility is successfully investigated.",
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An Economic and Environmental Assessment for Microalgal Energy Systems. / Po-Han; Wang, ; Chang, Jo-Shu; Wu, Wei; Wu, Erdorng.

In: Energy Procedia, Vol. 105, 01.01.2017, p. 3051-3061.

Research output: Contribution to journalConference article

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