Tubular falling film evaporator for fruit juice concentrates
Optimize your fruit juice concentration process with seamless integration and energy efficiency, promising high-quality aroma essences and reduced downtime through advanced liquid distribution and multi-stage evaporation.

Concentrates and Aroma-Refines Fruit Juices
The Vacuum Tubular Falling Film Evaporator from Bucher Unipektin specializes in concentrating fruit juices and aroma essences, integrating pasteurization, aroma-stripping, and concentration in a single system. This multi-stage evaporator features a sophisticated liquid distribution system that supports continuous operation and handles high suspended solids and tartrate in juices. Capable of processing 10 to 110 tons per hour, it improves energy efficiency through options for mechanical or thermal vapor recompression. Designed for easy integration into existing production lines, it offers automation with precise control of temperature and product distribution, enhancing both product quality and yield. Its robust stainless steel construction ensures corrosion resistance and long-lasting operation. The evaporator also includes a customizable aroma recovery option using a multi-plate rectification column, catering to diverse processing requirements. With an optimized CIP system using high-performance spray nozzles, it ensures long cleaning intervals and minimal downtime, supporting efficient and hygienic production environments.
Benefits
- Maximizes yield with efficient multi-stage concentration.
- Reduces energy costs through optional mechanical or thermal vapor recompression.
- Ensures high-quality output with controlled pasteurization and aroma refinement.
- Minimizes maintenance downtime with optimized CIP and long cleaning intervals.
- Handles diverse juice types, even those with high solids content, effectively.
- Applications
- Aroma essences,Fruit juices,Concentrated juices
- End products
- Pear aroma essence,Stone fruit aroma essence,Grape juice concentrate,Berry juice concentrate,Pear juice concentrate,Stone fruit juice concentrate,Apple aroma essence,Grape aroma essence,Apple juice concentrate,Berry aroma essence
- Steps before
- Juice Extraction,Purification,Pre-heating
- Steps after
- Aroma Recovery,Concentration,Packing
- Input ingredients
- fruit juices,apples,pears,berries,grapes,stone fruits,juices with high suspended solids,tartrate
- Output ingredients
- concentrated fruit juices,aroma essences,high-quality juice concentrates,concentrated aroma essence
- Market info
- Bucher Unipektin is known for producing advanced equipment and systems for the food and beverage industry, specializing in juice processing and filtration technologies with a reputation for innovative solutions and reliable, high-quality products.
- Evaporation capacity
- 10 to 110 t/h
- Number of effects
- 1 to 7
- Vapour recompression
- Mechanical or thermal (optional)
- Aroma recovery
- Multi plate rectification column (optional)
- Pasteurizer control
- Integrated,independently controlled
- Design
- Single-pass design
- Working mechanism
- Batch / Continuous flow
- Integrated steps
- Pasteurisation,aroma-stripping,concentration
- CIP principles
- Optimized CIP with high performance spray nozzles
- Energy efficiency
- Multi-stage system with mechanical or thermal vapour recompression
- Automation level
- Independently controlled pasteurizer
- Liquid distribution
- Sophisticated liquid distribution for long cleaning intervals
- Product compatibility
- Fruits with high suspended solids and tartrate
- Cleanability
- Optimized CIP with high performance spray nozzles
- Corrosive resistance (e.g. acids)
- Handles juices with high suspended solids and tartrate
- Biological compatibility
- Designed for fruit juices and aroma essences
- Tubular shape
- Falling film evaporator
- System configuration
- Single-pass,multi-stage
- Number of effects
- 1 to 7
- Feed method
- Evenly distributed in column head
- Discharge method
- Separation chamber at the column bottom
- Heating method
- Heated externally by steam or recompressed vapours