Computerised electrocoagulation for H2S control

Challenge:

Hydrogen sulphide (H2S) is one of the key issues in wastewater discharge. H2S is highly toxic even at low concentrations and causes corrosion of concrete pipes and structures. At the same time, the concentration is expected to increase as the separation of wastewater and clean water becomes more widespread. Today, overdosing of iron salts is typically used, which represents a significant expense for utilities.

 

Solution:

The project aims to develop a sensor-controlled electrocoagulation as a cost-effective concept for reducing H2S in wastewater systems by oxidising iron plates.

By utilising renewable energy sources, the solution opens up a climate-friendly way to combat H2S.

 

Impact:

Environmentally, the project will minimise CO2 emissions related to the transport of chemicals for wastewater treatment and extend the lifetime of concrete pipes and structures by combating H2S.

Duration
01/11/2021 – 31/12/2022

Budget
480.000 DKK

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