Processing of the liquid fraction
Vivianite precipitation
Objective
Recovery of phosphorus from a liquid effluent in the form of an iron phosphate (vivianite)
Inlets
Liquid streams rich in denitrified P, products of other processes
Efficiency
60% of the P present in the influent of a pilot plant
Weaknesses
-
Products
Vivianite (Fe3(PO4)2·8H2O)
Other outlets
Treated liquid effluent
Consumption
Energy: Low
Water: Not applicable
Reagents: High
Investment
Not available
Operation
Not available
Observations
-
Combination with other technologies
1. Separation technologies -> NDN -> Vivianite precipitation;
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TRL - 5
Status Emergent
Complexity Medium
Information made by:
BETA Tech Center