Falling film evaporation for apple juice concentration
Review apple-juice clarification, soluble-solids targets, aroma handling and concentrate properties before specifying a falling film evaporator.
Clarification and distribution
Describe whether the juice is clear, cloudy or partly clarified and provide representative suspended-solids and particle information. Distribution passages and tube wetting must be checked against the actual preparation. The name “apple juice” alone does not establish the feed condition.
Concentration and product quality
State inlet and target soluble solids together with the analytical method and measurement temperature. Provide a quality objective for colour, flavour and thermal exposure. Vacuum and product routing should be reviewed in that context; lower boiling temperature does not by itself establish the complete residence history.
Volatiles and the project boundary
Where aroma handling is part of the product objective, identify what is to be recovered and how the recovered stream is to be used. Preheating, evaporation, separation, aroma handling and concentrate cooling may have different suppliers. Confirm these boundaries before comparing the evaporation equipment.
Data for an apple-juice enquiry
Send feed mass flow, inlet and final concentration, feed temperature, clarification method and concentrate viscosity where available. Add operating hours, utilities and the required cleaning schedule. If a property is not measured, identify the gap so that sample testing can be discussed.
Related selection resources
How to specify falling film evaporator capacity
Separate feed throughput from evaporation capacity. Specify kg/h water removal, inlet and final solids, operating hours and the measurement basis.
Read the engineering basis ↗APPLICATION & SELECTIONViscosity and minimum wetting in falling film evaporation
Review concentrate viscosity, particles, distributor geometry and minimum liquid flow before choosing a falling film evaporator for a food liquid.
Read the engineering basis ↗APPLICATION & SELECTIONEvaporator materials and CIP specification for food liquids
Specify product-contact materials, cleaning chemistry, inspection access, seals and CIP verification for a falling film evaporation project.
Read the engineering basis ↗Give the equipment a clear brief.
Tell us the liquid, feed rate and concentration target. Add the utility conditions you know; we will identify what needs further review.