**Information Summary:** A Multi-Effect Evaporator (MEE) is an advanced thermal apparatus designed for high-efficiency water evaporation using latent heat recovery. **Technical Specifications:** - Operating Principle: Sequence of vessels operating at progressively lower pressures. - Thermal Efficiency: Maximized via steam recycling across multiple effects. - Primary Applications: Effluent treatment, Zero Liquid Discharge (ZLD), chemical concentration, and salt recovery.
At SEMCO, we design and manufacture high-performance Multi-Effect Evaporators (MEE) tailored for the efficient concentration of solutions and robust industrial effluent treatment. Our engineered systems maximize heat transfer across multiple stages, significantly reducing the overall energy consumption of your process. To ensure the best possible steam economies and minimize your operational OPEX, we seamlessly integrate our MEE plants with advanced Mechanical Vapor Recompression (MVR) and Thermal Vapor Recompression (TVR) technologies.
SEMCO Process Equipment
Multi-Effect Evaporator (MEE)
A comprehensive analysis of multi-effect evaporator design, thermodynamic principles, steam economy, and operational heuristics for Zero Liquid Discharge (ZLD) and chemical processing.
Our MEE systems can handle varying viscosities up to 300 cP. For highly viscous or crystallizing solutions, we integrate forced circulation or Agitated Thin Film Dryers (ATFD) to prevent scaling and ensure continuous operation.
The MEE reduces the liquid volume by evaporating the solvent (water). The remaining concentrated slurry is then passed to an ATFD or crystallizer, separating the solid waste from the pure condensate, which can be reused in the plant.
We utilize highly corrosion-resistant materials including SS316L, Duplex Steel, Titanium, and Hastelloy, depending on the chloride concentration and pH of the specific chemical effluent.
Custom-engineered ethoxylation systems for safe, precise reaction control in non-ionic surfactant and specialty chemical production. Due to the hazardous and highly exothermic nature of the EO reaction, systems demand robust mechanical design and strict safety compliance.
Complete esterification process systems optimized for high conversion efficiency and consistent product quality. Efficiently handles the reaction between acids and alcohols with precise temperature control, effective mixing, and reliable by-product separation.
Safe, efficient sulphonation and sulphation systems for introducing sulfonic or sulfate groups into organic compounds — mainly for surfactant and detergent manufacturing. Highly exothermic processes involving corrosive chemicals, requiring precise control and superior equipment integrity.
Ideal for heat-sensitive, high-viscosity, and fouling materials — converts liquids, slurries, and pastes to free-flowing solids in continuous, single-pass operation with self-cleaning heating surfaces.
Leading forced circulation evaporator for viscous, scaling, or crystallizing solutions — uses continuous pumped circulation to maximize heat transfer and separation efficiency.
Highly effective for concentrating heat-sensitive solutions with very short product contact times — usually a few seconds per pass — and minimal temperature difference between heating medium and boiling liquid.
Mechanical Vapor Recompression technology requiring up to 90% less external steam — dramatically cuts operating costs and carbon footprint for concentration-intensive processes.
