ViscoVap
Concentrate highly viscous, heat-sensitive liquids with ease using the Alfa Laval ViscoVap forced circulation evaporator. It handles fibre- and particle-rich fluids under vacuum conditions, delivering high thermal efficiency, minimal fouling and reduced cleaning frequency. Compact and tubular, ViscoVap performs reliably in demanding food and wastewater applications – saving energy, boosting uptime, and protecting product quality.
Maximize quality and yield of high-viscosity, heat-sensitive products with low-temperature, high-efficiency evaporation
- Protect product quality when processing highly viscous, heat-sensitive liquids
- Minimize fouling risks with highly turbulent flow and self-cleaning effect
- Maximize uptime with a robust, reliable, and low-maintenance design
- Adapt easily to changing processing needs with a modular system that handles multiple products
- Achieve high yields with long, uninterrupted runtimes – perfect for processing fresh produce during harvest season
Enhance product quality and process reliability with the Alfa Laval ViscoVap forced circulation evaporator. It efficiently handles highly viscous, heat-sensitive or shear-thinning fluids containing fibres and particles.
Unlike traditional systems, this advanced tubular evaporator maintains high product flow across smooth heating surfaces, minimizing fouling while maximizing uptime. It is also well-suited for final effluent concentration or effluent polishing, helping you achieve higher yield from every batch.
After finalizing on our requirement for the new bio-methanated spent wash evaporator plant, we discussed our vision of achieving zero liquid discharge with Alfa Laval experts. Alfa Laval came up with the innovative feed degasification and condensate stripping systems. – Mr. H.K.Yadava, General Manager – Distillery, Harinagar Sugar Mills, Bihar, India (Zero liquid discharge from distillery wastewater)
The system has been up and running now for almost five years, and our early worries about cleaning frequency have proven groundless. In addition to reliability, savings due to less frequent cleaning is a major advantage. – Mr. Sanjay Chopra, Vice President, Jagatjit Industries Ltd.
Typical applications for forced circulation evaporators
- Concentration of highly viscous, heat-sensitive, or shear-thinning liquids containing fibres and large particles that are prone to fouling
- Final concentration or finishing of the effluent
How the ViscoVap forced circulation evaporator works
Based on the forced circulation evaporator working principle, ViscoVap features one or more recirculating loops in single-stage or multi-effect configuration. The process liquid flows at high velocity through the inner tubes of the shell-and-tube heat exchanger, while steam or hot water heats the product from the shell side.
This high flow rate generates high turbulence and shear stress, enhancing heat transfer, reducing fouling, and creating a self-cleaning effect. By recirculating part of the concentrate back to the feed, the system ensures consistent processing of sticky, viscous fluids with particles and fibres. After heating, the product enters a vapour-liquid separator, where flash evaporation removes water.
Flexible configuration and integration
Thanks to its modular design, ViscoVap adapts easily to changing production needs. You can scale capacity over time and integrate it with other Alfa Laval systems. Connecting ViscoVap to the Alfa Laval AromaVap plate evaporator lets you concentrate juice, herbal extracts, or aroma compounds for reintegration into the final product or for separate storage and later reuse.
Happy customers
Frut X’s collaboration with Alfa Laval triples tomato yields, boosting the incomes of 800+ farmers.
Start-up agro-food processor Frut X Industries teamed up with Alfa Laval to design and build a versatile fruit and vegetable processing facility. With Alfa Laval’s timely delivery, training and best practices, the plant became fully operational in just six months. Enhanced enzyme management optimizes yield, texture, colour and safety while reusing condensate water across production lines supports Frut X’s sustainability goals. This end-to-end partnership, including a full service agreement, strengthens local farming communities and contributes to Frut X’s growth.
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Food system services
Alfa Laval Food system services help extend the performance of your food systems by maximizing the performance of your processes. This enables you to:
- Continually improve your operations to maintain competitive advantage
- Focus on uptime, optimization and availability
- Maximize return on investment throughout the life cycle of your food systems
Learn more about our service offer for food systems
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Explore our range of evaporators
Alfa Laval offers a wide range of evaporation systems from plate evaporators, and rising film evaporators to tubular evaporators and falling film evaporators. Find out what would work for your evaporation needs.
