METHOD & PROCESS PRINCIPLE
Batch or continuous fractionation is selected from campaign size, component relative volatility and purity target.
UNKA ENGINEERINGEPC CONTRACTORSeparates volatile solvent from water, heavy contaminants and neighboring solvent components.

Batch or continuous fractionation is selected from campaign size, component relative volatility and purity target.
Distillation column, trays/packing, reboiler, condenser, reflux drum, receivers, pumps and analyzers.
Spent-solvent composition, water and solids, azeotrope/VLE behavior, corrosion/compatibility, batch variability, recovery purity, residue route and hazardous-area data.
Design Basis, material balance, PFD, P&ID, equipment and instrument datasheets, line/equipment lists, control narrative, cause-and-effect, layout/3D interfaces, inspection plan, operating and commissioning procedures.
Closed handling, relief/vent/drain routing, alarms and trips, hazardous-area classification, HAZOP actions, maintainable isolation, fire protection and emergency shutdown interfaces.
Single-solvent purification and multi-component solvent fractionation.
ASME VIII, TEMA, API 520/521, IEC/NFPA; EN 13445/DIN or GOST pressure code if selected.
ASME VIII, TEMA, API 520/521, IEC/NFPA; EN 13445/DIN or GOST pressure code if selected.