Agro and food drying
The right dryer is key to getting the best value out of your product.
Swedish Exergy dryers helps our client achieve the best value for their application.
Dehydration is one of the oldest methods of food preservation, used since prehistorical times where meat, fish and vegetables were sundried. Dehydration, or drying, is removal of water by evaporation and can be done with many different methods. Sun drying, air drying and freeze drying are examples of commonly used methods for drying food, another effective method is using superheated steam to dehydrate.
Water and moisture binds bacteria and drying food can elongate the shelf life, but food dehydration have more advantages than that. Drying also reduces size and weight which means easier and cheaper storage and transportation.
Drying food using superheated steam have proven to have product enhancement properties. Steam drying enhances flavor, retain nutritional values, expand fibers and makes it sterile.
The Exergy superheated steam dryer in food drying.
The Exergy superheated steam dryer (Exergy PSSD®) is a closed loop indirect contact dryer, meaning that the heating media never comes in contact with the product. Besides product enhancement The Exergy PSSD® provides many benefits:
- Lowest total life cycle cost
- No risk of fire or explosion
- Small footprint as it is built on height
- No air emission
- Low net energy consumption and the ability to
reuse the steam in other processes
Waste to value
The food production industry produces a lot of residues every day that often ends up on landfill sites. Environmentally, this is a disaster but it is also an unnecessary cost.
The waste can be used as a source for energy, as animal feed or reproduced as food in another way. One example is by turning brewers dark grain into flour that have advantages like:
- Double the fiber content
- Calorie reduction
- Protein and amino acid increase
Drying your waste can many times provide for an income, and always reduce your costs for transportation and storage.