Processing of the liquid fraction
Freeze concentration
Objective
Concentration of nutrients and organic matter by freezing the water, while recovering the water
Inlets
Liquid streams rich in ions
Efficiency
Not available
Weaknesses
Difficulty separating the ice from the saline phase;
Products
Concentrated solution of nutrients
Other outlets
treated water
Consumption
Energy: High
Water: Not applicable
Reagents: Not applicable
Investment
Compared to a membrane process, the cryoconcentration process has higher investment and operation costs, mainly related to the separation of the ice
Operation
Not available
Observations
-
Combination with other technologies
1. Anaerobic digestion -> Separation technologies -> Membrane filtration -> Cryoconcentration;
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TRL - 5
Status Emergent
Complexity High
Information made by:
BETA Tech Center