2018
DOI: 10.1021/acs.energyfuels.8b00436
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Abstract: Inferior coker gas oil (ICGO) derived from Venezuelan vacuum residue delayed coking is difficult to process using fluid catalytic cracking (FCC) or hydrocracking (HDC). The high content of nitrogen and condensed aromatics leads to major coking and readily deactivates the acid catalyst. In this work, a sequence of hydrotreating (HDT) and FCC processing is used to effectively convert ICGO to a high-value light oil product. The results show a higher overall conversion and a significant increase in the yield of ga… Show more

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Cited by 14 publications
(9 citation statements)
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References 39 publications
(83 reference statements)
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“…Moreover, the slope of the FCC conversion decrease during processing of feed blends, which contain secondary gas oils, can be different [1]. Therefore, the processing of vacuum residual oils having different quality in the cokers and in the ebullated-bed vacuum residue hydrocrackers can yield VGOs having different quality that in turn can affect the FCCU performance, where these secondary gas oils are converted [1][2][3][4][5][6][7][8][9][10][11][12][13].…”
Section: Introductionmentioning
confidence: 99%
See 1 more Smart Citation
“…Moreover, the slope of the FCC conversion decrease during processing of feed blends, which contain secondary gas oils, can be different [1]. Therefore, the processing of vacuum residual oils having different quality in the cokers and in the ebullated-bed vacuum residue hydrocrackers can yield VGOs having different quality that in turn can affect the FCCU performance, where these secondary gas oils are converted [1][2][3][4][5][6][7][8][9][10][11][12][13].…”
Section: Introductionmentioning
confidence: 99%
“…Unfortunately, very limited is the number of the studies which have examined the crackability of the vacuum residue hydrocracking derived gas oils. Most of the studies devoted to the effect of secondary VGOs on FCC performance concern coker gas oils [1,[3][4][5][6][7][8][9][10][11]. Moreover, to the best of the authors' knowledge, there are no reports concerning the FCC performance during processing ebullated-bed vacuum residue hydrocracking (EBVRHC) VGOs, which have different quality.…”
Section: Introductionmentioning
confidence: 99%
“…While the reduced TAN and polarity of the deoxygenated oil will allow higher blend ratios compared to untreated bio-oil considering corrosion and miscibility, the current study shows that the basic nitrogen content has to be taken into account as well since it affects FCC catalyst deactivation. Thus, catalytically treated wheat straw oil obtained with HZSM-5 based catalysts may require further hydrotreating prior to FCC in order to saturate condensed aromatics, remove phenols and reduce the content of basic nitrogen [51,66]. While it is desirable to develop a nitrogen-resistant FCC catalyst [50,[67][68][69], the nitrogen poisoning is reversible, as the nitrogen components are burned in the FCC regenerator (see Peng et al [45], and references therein).…”
Section: Discussionmentioning
confidence: 99%
“…Fractionation enabled the assignment of the elemental compositions for 3 500 compounds compared to 1 393 compounds before fractionation, suggesting that fractionation reduced the complexity of the sample so that more compounds could be detected. Sheng et al have explored the effects of hydrotreatment (HDT) and fluid catalytic cracking (FCC) on nitrogen-containing compounds in a Venezuelan Mery-16 crude oil vacuum residue by using (±) ESI 9.4 T FTICR MS . The abundance of the nitrogen-containing compounds was found to be significantly reduced upon both HDT and FCC.…”
Section: Applicationsmentioning
confidence: 99%