title: Investigation of electrochemical variables and performance of a continuous upflow electrocoagulation process in the treatment of Reactive Blue 140.
abstract: This study presents an investigation of electrochemical variables in the operation of a continuous upflow electrocoagulation process in treating textile wastewater. Reactive Blue 140, which is porphyrin-based, was used as a representative dye in the experiments. The optimal values of the design and operating parameters were found, from a batch mode, to be the following: iron anode, distance between electrodes of 8 mm, current density of at least 30 A/m2, and contact time of at least 5 minutes. These optimal values were used to design a continuous upflow electrocoagulation reactor. The pattern of liquid flow within the upflow reactor was studied using a computational fluid dynamics (CFD) program, which simulated the flow behavior inside the reactor using the finite volume method. For optimal parameter values, the water passing the electrode plates had a uniform distribution, and the reactor performance was satisfactory, with >90% color removal and energy consumption of approximately 1.4 kWh/m3.
authors.affiliation: The Research and Technology Center for Renewable Products and Energy, King Mongkut's University of Technology North Bangkok, Bangsue, Bangkok, Thailand. cpk@kmutnb.ac.th
authors.forename: Chantaraporn
authors.initials: C
authors.lastname: Phalakornkule
authors.forename: Benjawan
authors.initials: B
authors.lastname: Karakat
authors.forename: Thanawin
authors.initials: T
authors.lastname: Nuyut
authors.forename: Tarworn
authors.initials: T
authors.lastname: Ruttithiwapanich
mesh_terms: D004396:Coloring Agents / Q000737:chemistry*; D055664:Electrochemical Techniques; D006863:Hydrogen-Ion Concentration; D011166:Porphyrins / Q000737:chemistry*; D014865:Waste Disposal, Fluid / Q000379:methods*; D014874:Water Pollutants, Chemical / Q000737:chemistry*
chemical_list: D004396:Coloring Agents; D011166:Porphyrins; C555956:Reactive Blue 140; D014874:Water Pollutants, Chemical