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RSS FeedsEnergies, Vol. 12, Pages 1484: Evaluation of the Energy Supply Options of a Manufacturing Plant by the Application of the P-Graph Framework (Energies)

 
 

18 april 2019 18:02:14

 
Energies, Vol. 12, Pages 1484: Evaluation of the Energy Supply Options of a Manufacturing Plant by the Application of the P-Graph Framework (Energies)
 




Industrial applications nowadays are facing the complexity of the problem of finding an optimal energy supply composition. Heating and electricity needs vary throughout a year and need to be addressed. There is usually power available from the market, but a company has other investment options to consider, such as solar power, or utilization of local biomass. Fixed and proportional investment and operational costs must be compared to long-term cost-efficiency. The P-Graph framework is an effective tool in the design and synthesis of process networks, and is capable of showing optimal decisions. In the present work, a new P-Graph model was implemented to address the synthesis of the energy supply options of a manufacturing plant in Hungary. Compared to the original approach, a multi-periodic scheme was applied for heating and electricity demands. Also, the pelletizer and biogas plant investments are modeled in the P-Graph with a new technique that better reflects equipment capacities and flexible input ratios. The best solutions in this case study in terms of total costs are listed. It can be concluded that a long-term investment horizon is needed for the incorporation of sustainable energy sources into the system to be cost-efficient.


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25 viewsCategory: Biophysics, Biotechnology, Physics
 
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