Multi-Effect Distillation with Thermal Vapour Compression for Seawater Desalination Thermodynamic ENERGY Analysis. Thermodynamic Analysis and Energy Efficiency Energy efficiency in MED-TVC is evaluated by:
First and Second Law Analyses: Comprehensive assessment of energy balances and entropy generation.
Gain Output Ratio (GOR): Detailed calculation of kg of distillate per kg of steam input, with values from 8–15.
Specific Energy Consumption (SEC): Thermal and electrical energy demands per cubic meter of produced water, highlighting energy partitioning.
Thermodynamic Irreversibilities: Heat exchanger inefficiencies, vapor leakage, and non-ideal mixing effects.
Heat Transfer Characteristics: Detailed analysis of heat transfer coefficients, fouling impact, and scaling mitigation.
Detailed Energy Consumption Analysis
Thermal vs Electrical Energy Needs: Breakdown of motive steam, pumps, and auxiliary system demands.
Feed Seawater Impact: Influence of salinity and inlet temperature on energy requirement.
Operational Modes: Energy profiles during startup, steady operation, and shutdown.
Optimization Techniques: Variable pressure control, ejector performance tuning, and process integration.
Advanced Thermodynamic Modelling
Non-Equilibrium Thermodynamics: Vapor-liquid deviations in real systems.
CFD Simulations: Vapor distribution, droplet entrainment, and ejector nozzle performance.
Mathematical Modelling: Governing heat and mass transfer equations with thermophysical property correlations.
Multi-Objective Optimization: Trade-offs between energy use, water recovery, and brine concentration.