EXTRACTION OF VANADIUM FROM PETROLEUM COKE SAMPLES BY MEANS OF MICROWAVE WET ACID DIGESTION

被引:14
作者
ALVARADO, J [1 ]
ALVAREZ, M [1 ]
CRISTIANO, AR [1 ]
MARCO, LM [1 ]
机构
[1] UNIV NACL PEDRO ENRIQUE URENA,DEPT FIS,SANTO DOMINGO,DOMINICAN REP
关键词
coke; petroleum products; vanadium;
D O I
10.1016/0016-2361(90)90271-Q
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
Certified coal standards and Venezuelan petroleum coke samples were submitted to microwave acid digestion to evaluate the convenience of this procedure for the extraction of their vanadium content. The solution and the solid residue remaining after microwave treatment were separated by filtration and each one was analysed for vanadium. The solutions were analysed by graphite furnace atomic absorption spectrometry (GFAAS), the solid residues and the untreated samples of petroleum coke were analysed by X-ray fluorescence spectrometry. The results of the analyses showed total extraction of the vanadium after a microwave heating period of approximately 15 min per sample. © 1990.
引用
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页码:128 / 130
页数:3
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