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Fast, non-extractive, and ultradeep desulfurization of diesel in an oscillatory baffled reactor
Process Safety and Environmental Protection ( IF 7.8 ) Pub Date : 2021-05-26 , DOI: 10.1016/j.psep.2021.05.028
Jasim I. Humadi , Saba A. Gheni , Safaa M.R. Ahmed , Ghassan H. Abdullah , Anh N. Phan , Adam P. Harvey

Sulfur compounds are major contaminants in diesel fuels and cause significant negative impacts on the environment, human health, and petroleum product quality. Oxidative desulfurization (ODS) has gained attention due to relatively mild operating conditions. However, ODS requires significant improvements in terms of productivity, reaction time, and conversion. This study reports the development of a highly efficient, rapid ODS process, in an oscillatory baffled reactor (OBR), to allow continuous, safe dibenzothiophene (DBT) removal. DBT conversion was studied as a function of temperature, residence time, oscillation frequency, and oscillation amplitude. By optimizing the operating conditions, up to 94 % DBT could be removed without further extraction in 3 min, at 80 °C, 4 Hz, and 6 mm. This is a substantial increase over comparable processes at this temperature and furthermore has been conducted in a reactor that scales up predictably, hence it is probable that this performance can be realized at an industrial scale.



中文翻译:

振荡挡板反应器中柴油的快速、非萃取和超深度脱硫

硫化合物是柴油燃料中的主要污染物,对环境、人类健康和石油产品质量造成重大负面影响。由于相对温和的操作条件,氧化脱硫 (ODS) 已受到关注。然而,ODS 需要在生产率、反应时间和转化率方面进行显着改进。本研究报告了在振荡挡板反应器 (OBR) 中开发高效、快速的 ODS 工艺,以实现连续、安全的二苯并噻吩 (DBT) 去除。DBT 转化作为温度、停留时间、振荡频率和振荡幅度的函数进行研究。通过优化操作条件,在 80 °C、4 Hz 和 6 mm 条件下,无需进一步萃取即可在 3 分钟内去除高达 94% 的 DBT。

更新日期:2021-06-09
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