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    Exergy analysis of a circulating fluidized bed power plant co-firing with olive pits: A case study of power plant in Turkey
    (Pergamon-Elsevier Science Ltd, 2017) Topal, Hüseyin; Taner, Tolga; Naqvi, Syed Arslan Hassan; Altınsoy, Yelda; Amirabedin, Ehsan; Özkaymak, Mehmet
    The effects of the above-mentioned parameters on exergy destruction, and CO2 emission of the power plant are determined for circulating fluidized bed power plant co-firing. The aim of this study is to perform thermodynamic analysis on can Circulating Fluidized Bed Power Plant (CFBPP) co-fired with olive pits. The results of this study also show that the total exergy damage of the plant is about 295 MW and the net exergy yield is 31.26%. The majority (252.40 MW) of exergy destruction occurs in the main boiler and accounts for 86.05% of the total exergy breakdown of CFBPP through exergy analysis. The results show that CFBPP has an effective feature of biomass supplement for exergetic performance and CO2 emissions. (C) 2017 Elsevier Ltd. All rights reserved.
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    Hydrogen production through alkaline electrolyzers: a techno-economic and enviro-economic analysis
    (John Wiley and Sons Inc, 2023) Naqvi, Syed Arslan Hassan; Taner, Tolga; Özkaymak, Mehmet; Ali, Hafiz Muhammad
    Hydrogen production through an alkaline electrolyzer as well as a techno-economic and enviro-economic analysis are presented. The proposal of this innovative study is to generate hydrogen gas energy from an alkaline electrolyzer energy system. The prototype of this alkaline electrolyzer was developed by application of hydrogen production through alkaline electrolyzer optimization. This novel chemical mixture is made up from the combination of ammonia, ethyl alcohol, urea, and deionized or distilled water. The result proved to be a model study by emphasizing the annual profit of the alkaline electrolyzer of a simple payback period of the prototype system. A prototype of alkaline electrolyzer is designed and developed to produce oxyhydrogen gas through water electrolysis.
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    Techno-economic analysis of a more efficient hydrogen generation system prototype: a case study of pem electrolyzer with cr-c coated ss304 bipolar plates
    (WILEY-V C H VERLAG GMBH, 2019) Taner, Tolga; Naqvi, Syed Arslan Hassan; Özkaymak, Mehmet
    This study presents a more efficient and innovative prototype of a hydrogen generation system using proton exchange membrane (PEM) electrolyzer. The aim of this study is to generate hydrogen gas energy that conducts the chemical reaction by electrolytic movements as well as to design a system that generates energy with H-2 through new technology. The Cr-C coated SS304 bipolar plates were used in the electrolysis cells and the septic mixture (urea, ammonia, methyl alcohol) was used in the electrolyzer as a chemical solution to make the hydrogen production more efficient and cost effective. The super strong magnets were also mounted on the outer surface of the electrolysis cells to improve the performance and efficiency. The performance of the electrolyzer was determined by operating the current and voltage parameters. The results were collected through experiments and the optimization of the different parameters. In this prototype study, the production of hydrogen gas in the system (1 MW) through the presented system was found to be as 6 m(3) h(-1) and the simple payback period (SPP) was calculated as 2.32 y. These results indicate that this system can produce hydrogen more efficiently and economically.