Posted: May 22nd, 2023
Usually, most of the processes in FT synthesis involve conditions that are in steady states. In spite of this, there are processes that are carried out in unsteady-sates, and are considered to have a lot of benefits in terms of selectivity and productivity.
Periodic operation is a tool that is used in controlling the selectivity and conversion during the Fischer-Tropsch Synthesis. Periodic operation covers several techniques involving the variation of the inputs involved in the system. Several inputs are available for variations, such as temperature, pressure, flow direction, and concentrations. Usually, most of the cases show a trend whereby there is uniformity in the variations of flow rate such that the reactor’s space velocity is always constant. However, such condition is not highly significant. Different studies have noted that there is a great difference between steady-states values and time-averages in cases whereby the feed conditions are identical (Zhang, Kang and Wang 2010). During the comparison of steady-states and periodic operations enchantment is a performance ratio
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