The solvent recycling facility operates in a 10,000 gallon batch mode with an estimated batch operation time of two to three weeks. The reboiler is fed from a low pressure steam source. The column is approximately 12 in. The NMP and polyimide, from the reboiler are transferred to the flash drum for separation of the polyimides. Polyimide is sold to an off-site reclaimer.
Evaporated water is condensed and fed to a biological system along with the sanitary wastewater.