Autor: Anozie, Ambrose - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Thermodynamic assessment of crude distillation units: case studies of Nigeria refineries
Autorzy:: Osuolale, Funmilayo Nihinlola
Anozie, Ambrose Nwora
Powiązania:: https://bibliotekanauki.pl/articles/240552.pdf
Data publikacji:: 2019
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: crude distillation unit
exergy efficiency
refineries
thermodynamic analysis
Opis:: This paper presents the results of thermodynamic analysis of the crude distillation units of two refineries in Nigeria. The analysis was intended to assess the thermodynamic efficiencies of the refineries and proffer methods of improving the efficiencies. Presented results show the atmospheric distillation units of the refineries have 33.3% and 31.6% exergetic efficiencies and 86.5% and 74.6% energetic efficiencies, respectively. Modifications of the operating and feed conditions of the refineries resulted in increased exergetic efficiencies for as much as 62.3% and 38.7% for the refineries. Thermodynamic analysis of the refineries can bring about efficiency improvement and effectiveness of the refineries.
Źródło:: Archives of Thermodynamics; 2019, 40, 4; 83-102
1231-0956
2083-6023
Pojawia się w:: Archives of Thermodynamics
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: A study of LNG processes to determine the effect of end flash systems on efficiency
Autorzy:: Akinsipe, Oluwagbemisola
Anozie, Ambrose
Babatunde, Damilola
Powiązania:: https://bibliotekanauki.pl/articles/240578.pdf
Data publikacji:: 2020
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: C3MR
DMR
Efficiency
Exergy destruction
End flash
LNG
Opis:: This paper describes the simulation, exergy analysis and comparison of two commonly applied liquefaction of technologies natural gas, namely: propane precooled mixed refrigerant process (C3MR) and dual mixed refrigerant process (DMR) alongside two modifications of each employing end flash systems. The C3MR and DMR process schemes were simulated using the commercial software to mathematically model chemical processes. These schemes were then analysed using energy and exergy calculations to determine their performances. The exergy efficiency for the C3MR processes without end flash system, with simple end flash system and extended end flash system were evaluated as 29%, 31%, and 33%, respectively, while the exergy efficiency for the DMR processes without end flash system, with simple end flash system, and extended end flash system were evaluated as 26%, 25.5%, and 30%, respectively. The results achieved show that the extended end flash system versions of the schemes are most efficient. Furthermore, the exergy analysis depicted that the major equipment that must be enhanced in order to improve the cycle exergy efficiencies are the compressors, heat exchangers, and coolers.
Źródło:: Archives of Thermodynamics; 2020, 41, 2; 35-63
1231-0956
2083-6023
Pojawia się w:: Archives of Thermodynamics
Dostawca treści:: Biblioteka Nauki

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