Microbial Desalination Cell pilot

The Microbial Desalination Cell (MDC) technology combines the Microbial Fuel Cell (MFC) and Electrodialysis (ED) process to simultaneously treat wastewater, desalinate saline water and produce electricity.

Specifications

Feed flow range: 12 – 72 L/h
Feed flow accuracy: < 1 %
Pressure accuracy: < 0,1 %
Conductivity accuracy: 0,33 cm^-1 +- 5%
pH accuracy: ± pH 0,05
Dimensions: 60 x 50 x 93 cm

Microbial Desalination Cell pilot

The Microbial Desalination Cell pilot system combines the Microbial Fuel Cell (MFC) and Electrodialysis (ED) process to simultaneously treat wastewater, desalinate saline water and produce electricity.

The MDC consists of three compartments separated by an cation exchange membrane (CEM) and an anion exchange membrane (AEM). The first chamber contains the cathode which is connected to the anode in the third chamber. Seawater solution is flowing in the between the cation ion exchange (CEM) and anion ion exchange (AEM). The waste water solution flows in the third chamber which contains also the anode. The anode is responsible in treating the waste water by organic degradation and producing electricity, where bacteria oxidized the organic matter to carbon monoxide (CO2), hydrogen ion (H+) and releasing free electrons in the anolyte. The electrons flow from the anode to the cathode through an external electrical circuit. Thus electricity is produced and waste water is treated simultaneously. The electrons are reduced by electron acceptor at the cathode, which create a potential difference between anode and cathode. The potential difference drives the transport of ions from the saline water or seawater in the middle chamber and results in desalting seawater.

The performance of MDC will be measured based on the power density produced using a potentionstat connected to the anode and cathode and other equipment. The MDC can be combined with capacitive dionization cell or reverse osmosis membrane or forward osmosis and can work in batch or continuous mode.

The user-friendly software interface records flows, temperatures, conductivity, pH and pressures and allows the creation of individual test scripts. Whether you want to perform tests with several different flux steps or simulate on-field operation with cleaning steps, the MDC Inspector has you covered. It also allows automatic calculation of crossflow velocity, salinity and other user defined calculations. The system allows you to attach all kinds of custom membrane modules and thus makes it extremely flexible.

Optionals:

  • Customized flat sheet membrane modules
  • Customized flow- and pressure range (higher or lower)

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