Can the vapor separation unit be operated with only the propylene column?
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In a liquid hydrocarbon gas fractionation unit where only propylene is required and all other products are liquid hydrocarbons, is it possible to omit the propane distillation column? Similarly, by controlling the C2 content in the feed material, it might be possible to avoid using an ethane distillation column as well. Could the liquid hydrocarbons be fed directly into the propylene column, with propylene being produced at the top of the column and a mixture of propane and C4 being produced at the bottom? Could the simulation results be generated?
The carbon one and carbon two components in the feed are difficult to control. Moreover, when carbon four and carbon five are fed together into the propylene column, the load on the stripping section becomes too high, which reduces the efficiency of the reflux process; as a result, the column must be replaced