Technology Unit

The reactor effluent cooled in the cooler is fed to the vapor–liquid separator. Part of the flow from the compressor discharge containing unconverted hydrogen and methane is purged to avoid accumulation of methane within the process while the remainder is recycled back to the process.

Source: Ye, Lingjian et al. “Control Reconfiguration to Improve HDA Process Optimality.” IFAC-PapersOnLine 51 (2018): 434-439.