Processing of the liquid fraction

Bioelectrochemical processes

Bioelectrochemical processes

Objective

Processes that use sacrificial anodes and stable anodes to promote the chemical precipitation of compounds of interest by using a microbial fuel cell (MFC) to generate the energy required by the process

Inlets

Liquid streams rich in N-ammoniacal and/or P-orthophosphoric

Efficiency

Although N and P recovery efficiencies above 90% have been reported, these percentages will depend significantly on the type and surface of the membrane and electrode used and the characteristics of the treated wastewater

Weaknesses

The process is sensitive to pH, toxicity events and the applied organic load. So, the process can be unstable in the face of fluctuating loads, in which case the application of electrochemical methods is more interesting;

Products

In processes with separate ammonia adsorption, if sulfuric acid is used, ammonium sulfate salts will be produced. In precipitation processes, phosphoric salts will form

Other outlets

Treated liquid effluent

Consumption

Energy: Low
Water: Not applicable
Reagents: Not applicable

Investment

Not available

Operation

Not available

Observations

-

Combination with other technologies

1. Separation technologies -> Bioelectrochemistry
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TRL - 5
Status Emergent
Complexity High

Information made by:

BETA Tech Center