EVALUATION OF THE CHEMICAL COMPOSITION AND STRUCTURE OF ASPHALTENES FROM THREE OFFSHORE BRAZILIAN BIODEGRADED HEAVY OILS

Asphaltenes fractions were extracted and purified from three heavy Brazilian oils. Their mass compositions of C, H, N, Ni and V were obtained from elemental analysis and S and O atomic percentages from EDS. The H/C ratios showed high degree of unsaturation, while the O atomic percentages indicated m...

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Hlavní autoři:	Hemmely Guilhermond de Souza Severino, Christiane Béatrice Duyck Pinto, André Luiz Durante Spigolon, Carlos Siqueira Bandeira de Mello, Tais Freitas da Silva, Kátia Zaccur Leal
Médium:	Artigo
Jazyk:	Inglês
Vydáno:	Sociedade Brasileira de Química 2021-06-01
Edice:	Química Nova
Témata:	asphaltene heavy oil biodegradation occluded hydrocarbon
On-line přístup:	http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422021000400391&tlng=en
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