Catalogue of Technologies for Nutrient Recovery
Purpose
Complexity
Energy consumption
Water consumption
Reagents consumption

Air cleaning
Photocatalysis

Air cleaning
Catalytic oxidation with cold plasma

Air cleaning
Catalytic oxidation with ozone

Air cleaning
Membrane separation

Air cleaning
Dry filter (adsorption of gaseous compounds and filtration of particles)

Air cleaning
Biowasher

Air cleaning
Percolator biofilter

Air cleaning
Biofilter

Air cleaning
Gas scrubber (water, acid or basic scrubber)

Processing of the liquid fraction
Non-thermal atmospheric plasma

Processing of the liquid fraction
Vivianite precipitation

Processing of the liquid fraction
Potassium struvite precipitation

Processing of the liquid fraction
Calcium phosphate precipitation

Processing of the liquid fraction
Struvite precipitation (magnesium ammonium phosphate)

Processing of the liquid fraction
Freeze concentration

Processing of the liquid fraction
Electrodialysis

Processing of the liquid fraction
Bioelectrochemical processes

Processing of the liquid fraction
Electrochemistry

Processing of the liquid fraction
Gas permeable membranes / Contactors

Processing of the liquid fraction
Magnetic microsorbents

Processing of the liquid fraction
Adsorption / Ionic exchange

Processing of the liquid fraction
Single-cell protein

Processing of the liquid fraction
Purple phototrophic bacteria (PPB) culturing

Processing of the liquid fraction
Bacterial polyphosphate accumulation in EBPR systems

Processing of the liquid fraction
Artificial wetlands

Processing of the liquid fraction
Microalgaeculturing in liquid substrates

Processing of the liquid fraction
Partial nitrification – autotrophic denitrification ANAMMOX

Processing of the liquid fraction
Nitrification-denitrification (NDN)

Processing of the liquid fraction
Autothermal aerobic digestion

Processing of the liquid fraction
Aerobic digestion

Processing of the liquid fraction
Ozonation

Processing of the liquid fraction
Electrooxidation

Processing of the liquid fraction
Carbon dioxide stripping

Processing of the liquid fraction
Ammonia stripping-adsorption

Processing of the liquid fraction
Concentration by atmospheric evaporation

Processing of the liquid fraction
Concentration by vacuum evaporation

Processing of the liquid fraction
Membrane filtration (reverse osmosis)

Processing of the liquid fraction
Membrane filtration (Microfiltration, ultrafiltration)

Processing of the solid fraction
Insect frass

Processing of the solid fraction
Wet oxidation