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Wyszukujesz frazę "Central composite design" wg kryterium: Temat


Wyświetlanie 1-2 z 2
Tytuł:
Parametric optimization of coal desulfurization through Alkaline leaching
Autorzy:
Rehman, F.
Ahmad, S. W.
Zafar, M. S.
Ahmad, S.
Zia-Ul-Haq, M.
Powiązania:
https://bibliotekanauki.pl/articles/779964.pdf
Data publikacji:
2018
Wydawca:
Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
Tematy:
Desulfurization
Alkaline leaching
Response surface methodology
ANOVA
Central Composite design
Opis:
Desulfurization of Pakistani coal has been carried out through alkaline leaching. During present experimental investigation, the effect of operating parameters like alkali concentration, time, temperature and particle size has also been analyzed, graphically represented and critically discussed. Parametric optimization of leaching process has been carried out by using response surface methodology (RSM) based on central composite design (CCD). The analysis of variance (ANOVA) was performed in order to assess the highest level interactions of variables and three way interactions were observed significant. Further, the optimum value of total sulfur removal was observed as 53% when the operatic conditions fixed at 10% W/V, 60 min, 80°C and 140 mesh for alkaline concentration, leaching time, temperature and particle size, respectively.
Źródło:
Polish Journal of Chemical Technology; 2018, 20, 3; 103-109
1509-8117
1899-4741
Pojawia się w:
Polish Journal of Chemical Technology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Parametric optimization of rice bran oil extraction using response surface methodology
Autorzy:
Ahmad, S. W.
Javed, F.
Ahmad, S.
Akram, M.
Rehman, A.
Powiązania:
https://bibliotekanauki.pl/articles/778979.pdf
Data publikacji:
2016
Wydawca:
Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
Tematy:
solvent extraction
rice bran oil
response surface methodology (RSM)
central composite design (CCD)
Opis:
Use of bran oil in various edible and nonedible industries is very common. In this research work, efficient and optimized methodology for the recovery of rice bran oil has been investigated. The present statistical study includes parametric optimization, based on experimental results of rice bran oil extraction. In this study, three solvents, acetone, ethanol and solvent mixture (SM) [acetone: ethanol (1:1 v/v)] were employed in extraction investigations. Response surface methodology (RSM), an optimization technique, was exploited for this purpose. A five level central composite design (CCD) consisting four operating parameter, like temperature, stirring rate, solvent-bran ratio and contact time were examined to optimize rice bran oil extraction. Experimental results showed that oil recovery can be enhanced from 71% to 82% when temperature, solvent-bran ratio, stirring rate and contact time were kept at 55°C, 6:1, 180 rpm and 45 minutes, respectively while fixing the pH of the mixture at 7.1.
Źródło:
Polish Journal of Chemical Technology; 2016, 18, 3; 103-109
1509-8117
1899-4741
Pojawia się w:
Polish Journal of Chemical Technology
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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