METHOD & PROCESS PRINCIPLE
Molecular sieve, azeotropic separation, phase decanting or membrane/other validated drying is selected by solvent chemistry.
SOLVENT RECOVERY PROCESS UNITS
Recovered Solvent Dehydration
Reduces residual water to the reuse specification.
MAIN EQUIPMENT & PACKAGE LIMITS
Drying beds or column/decanter, regeneration system, filters, water analyzer, receivers and pumps.
CRITICAL DESIGN INPUTS
Spent-solvent composition, water and solids, azeotrope/VLE behavior, corrosion/compatibility, batch variability, recovery purity, residue route and hazardous-area data. Required water content and regeneration utility availability.
ENGINEERING DELIVERABLES
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.
AUTOMATION, SAFETY & HSE
Closed handling, relief/vent/drain routing, alarms and trips, hazardous-area classification, HAZOP actions, maintainable isolation, fire protection and emergency shutdown interfaces.
APPLICATIONS & PERFORMANCE BASIS
Recovered solvents requiring low water for reuse or sale.
CODES, STANDARDS & QUALITY BASIS
Vendor media standards, ASME, IEC/NFPA; ASTM/EN/DIN/GOST water test method by contract.
CONTRACTUAL CODE BASIS
Vendor media standards, ASME, IEC/NFPA; ASTM/EN/DIN/GOST water test method by contract.