Investigation of major and trace element distribution in the extraction-transesterification process of fatty acid methyl esters from microalgae Chlorella sp.

Autor: Soares BM; Escola de Química e Alimentos, Universidade Federal do Rio Grande, 96203-900 Rio Grande, RS, Brazil., Vieira AA, Lemões JS, Santos CM, Mesko MF, Primel EG, Montes D'Oca MG, Duarte FA
Jazyk: angličtina
Zdroj: Bioresource technology [Bioresour Technol] 2012 Apr; Vol. 110, pp. 730-4. Date of Electronic Publication: 2012 Feb 02.
DOI: 10.1016/j.biortech.2012.01.148
Abstrakt: This work reports, for the first time, the determination of major and trace elements (Al, As, Ba, Ca, Cd, Co, Cr, Cu, Fe, K, La, Mg, Mn, Mo, Na, Ni, P, Pb, S, Se, Sn, Sr, Ti, Tl, U, V, and Zn) in the fractions of the synthesis of fatty acid methyl esters (FAMEs). These include fresh microalgae, residual biomass, lipid fraction, crude FAMEs, insoluble fraction and purified FAMEs from microalgae Chlorella sp. A microwave-assisted digestion procedure in closed vessels was applied for sample digestion and subsequent element determination by inductively coupled plasma-based techniques. The proposed method was suitable for the multielement determination in FAMEs and its fractions obtained from microalgae. The element concentration was compared with results found in the literature and a careful discussion about the use of residual biomass for different applications was performed.
(Copyright © 2012 Elsevier Ltd. All rights reserved.)
Databáze: MEDLINE
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