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2017 | 15 |
Tytuł artykułu

Synthesis and physico-chemical studies of base catalyzed methanolysis of some virgin tropical seed oils

Treść / Zawartość
Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
The physico-chemical characterization of Prunus amygdalus, Dacryodes edulis and Chrysophillum albidium seed oils were investigated, together with their methyl esters. The vegetable oils were extracted by applying the solvent extraction method, using n-hexane. Prunus amygdalus had the highest oil yield (60.1%), followed by Dyacrodes edulis (55.76 %) and least from Chrysophillum albidium (13.67%). The oils and their biodiesel were then analyzed for acid value, free fatty acid, specific gravity, ash content, iodine value, peroxide value, saponification value, kinematic viscosity, flash point, smoke point, titre value, cloud point, moisture content and refractive index. Accordingly, Dyacrodes edulis seed oil had the highest acid value of 6.57 and required two-step transesterifictaion. The produced biodiesels were discussed in the light of ASTM D 9751, ASTMD 6751 and DIN 14214. These showed yields of 94.36%, 93.03% and 86.49%, cetane numbers of 70.40, 55.20 and 64.57 and calorific values of 31,178.39 KJ/kg, 34,421.50 KJ/kg and 32,838.38 KJ/kg for Prunus amygdalus, Dacryodes edulis and Chrysophyllum albidium, respectively. Other fuel-related properties showed highly improved qualities upon transesterification and compared well with ASTM and EU standards. The overall results showed that the seed oils are viable for biodiesel production.
Słowa kluczowe
EN
Wydawca
-
Rocznik
Tom
15
Opis fizyczny
p.112-128,ref.
Twórcy
autor
  • Department of Chemical and Petroleum Engineering, Federal University, Ndufu Alike Ikwo , P.M.B 1010 Abakaliki, Ebonyi State, Nigeria
  • Department of Chemical Engineering, Nnamdi Azikiwe University, P.M.B 5025 Awka, Anambra State, Nigeria
  • Department of Pure and Industrial Chemistry, University of Nigeria, P.M.B 410001 Nsukka, Enugu State, Nigeria
Bibliografia
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  • [11] Fan, X (2008). Optimization of biodiesel production from crude cotton seed oil and waste vegetable oil; conventional and ultrasonic irradiation methods . Ph.D thesis, Department of food technology, Clemson University.
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  • [15] Musa, U., Isa, A.G., Mohammed, J.A., Mohammed U. G., Usman, Z and Alharsan, B. (2015). Extraction of Chrysophyllum albidium seed oil, optimization and characterization, Chemical and Process Engineering Research. Vol. 30 pp1-8.
  • [16] Nzikou, J. M., Kimbongiula, A., Matos, L., Loumouamou B., Pambou-Tobi N.P.G., Ndangui, C.B., Abena A.A. Siluo Th., Scher J and Desobry S. (2009). Extraction and characterization of seed kernel oil from mango (Magnifera Indica). Research Journal of Environments and Earth Science, 2(1); 31-35.
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  • [20] Ogunsuyi, H. O (2015). Production of biodiesel using African Pear (Dacryodes edulis) seed oil as feedstock, Academia Journal of Biotechnology 3(5), 085-092.
  • [21] Olufumilola, A., Abiodun, A. S. Oladapo, (2011). Physico-chemical properties of African Star Apple (Chrysophylum albidum) components, Nutrition and food Science, Vol. 41, Issue 1, pp. 8-11.
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  • [23] Sam, S. M., Akonye, L. A., Mensah, S. I., and Esenowo, G. J., (2008). Extraction and classification of lipids from seeds of Persea Americana Miller and Chysophyllum albidium G. Don. Scientia Africans, Vol. 7 (2), pp. 35-38.
  • [24] Sivaramakrishnam, K. and Ravikumar, P. (2012). Determination of Cetane Number of Biodiesel and its influence on Physical Properties, ARFN Journal of Engineering and Applied Sciences Vol. 7, No. 2, 205-211
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Typ dokumentu
Bibliografia
Identyfikatory
Identyfikator YADDA
bwmeta1.element.agro-cad23111-24b2-4b72-ad7d-5332997c3220
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