Characterization of a new cartridge type electrocoagulation reactor (CTECR) using a three-dimensional steel wool anode

In this work a new electrocoagulation reactor with cylindrical geometry using a three-dimensional steel wool anode has been developed. The architecture of the Electrocoagulation reactor is closely related to a filter cartridge, modified in order to contain the electrodes. The complete system include...

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Bibliographic Details
Published in:Journal of electroanalytical chemistry (Lausanne, Switzerland) Switzerland), 2017-05, Vol.793, p.93-98
Main Authors: López, Ainhoa, Valero, David, García-Cruz, Leticia, Sáez, Alfonso, García-García, Vicente, Expósito, Eduardo, Montiel, Vicente
Format: Article
Language:English
Subjects:
Anodes
Cartridge type reactor
Dye removal
Electrocoagulation
Electrodes
Electrolytes
Hydrogen storage
Reactors
Residence time distribution
RTD
Steel
Structural steels
Wastewater treatment
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Summary:In this work a new electrocoagulation reactor with cylindrical geometry using a three-dimensional steel wool anode has been developed. The architecture of the Electrocoagulation reactor is closely related to a filter cartridge, modified in order to contain the electrodes. The complete system includes the Cartridge Type ElectroCoagulation Reactor (CTECR) and its housing. The residence time distribution (RTD) was used as tool to study the flow behavior of the electrolyte within the reactor. The new reactor has been successfully used in the removal of a textile dye (Remazol Red RB 133) working in continuous mode of operation, where the color elimination rate reaches 99%. Moreover, its design allows both an easy replacement of the cartridge when the steel wool anode is consumed, and the collection and storage of the hydrogen generated on the cathode. •A new Cartridge type reactor for electrocoagulation is tested.•Electrocoagulation is performed using 3D electrodes made of steel wool anodes.•Removal of textile dye Remazol Red RB 133 is used as test reaction.•Color removal efficiency reaches 99%.
ISSN:1572-6657
1873-2569
DOI:10.1016/j.jelechem.2016.10.036