Upgrading of residual oil in sub- and supercritical water: An experimental study
作者： Ying Liu , Fan Bai , Chun-Chun Zhu , Pei-Qing Yuan , Zhen-Min Cheng
DOI: 10.1016/J.FUPROC.2012.07.032
关键词:
摘要: Abstract To increase the understanding of reaction behavior heavy hydrocarbons in presence sub- and supercritical water, upgrading residual oil was applied a batch reactor at temperatures 653 to 713 K water densities 0.05 0.20 g/cm 3 . It is confirmed that still dominated by free radical mechanism based thermal cracking. The ion hydrolysis only has an extremely limited influence on performance. With density, system may evolve from partially miscible two-phase structure pseudo single-phase which asphaltenes are highly dispersed continuous phase. Prompt diffusion aromatic radicals into phase both depresses coke formation improves liquid product distribution.
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