Experimental design approach applied to the elimination of crystal violet in water by electrocoagulation with Fe or Al electrodes

Solar photocatalitycal treatment of carbofuran at lab and pilot scale: Effect of classical parameters, evaluation of the toxicity and analysis of organic by-products

“…Factorial design has become an important tool for obtaining valuable and statistically significant models of a phenomenon by doing a minimum set of well chosen experiments. With a determined number of assays, information can be obtained regarding the importance of each variable and their interaction effects [24,25]. Table 1 shows the matrix design obtained by the computer program.…”

TiO 2 photocatalysis applied to the degradation and antimicrobial activity removal of oxacillin: Evaluation of matrix components, experimental parameters, degradation pathways and identification of organics by-products

“…As seen in Table 1, the estimated values are similar to the experimental values in most of the experiments. Therefore, as observed by other treatment systems and pollutants [25,26], the reduced model can satisfactorily describe the TiO 2 photocatalytical process for the degradation of the antibiotic OXA.…”

Heterogeneous Fenton-like oxidation of crystal violet using an iron loaded ZSM-5 zeolite

“…Up to now, degradation of crystal violet (CV) was studied using several advanced oxidation processes (AOPs) such as: heterogeneous oxidation with H 2 O 2 over copper(II) amine complexes supported on Amberlyst-15 [6], photocatalytic degradation in the presence of Ag + doped TiO 2 or nanostructured TiO 2 ultrafine powder or silver doped TiO 2 catalysts, homogeneous, and heterogeneous Fenton reaction, in the presence of bulk CdS, nano-CdS, nano-CdS/zeolite A, and CdO/zeolite and P25-TiO 2 catalyst [1,4,[7][8][9][10][11][12][13], electrochemical oxidation using a boron-doped diamond or Ti/RuO 2 -IrO 2 anode [14,15], electrocoagulation using iron or aluminum electrodes [16], wet peroxide oxidation in the presence of FeGAC/H 2 O 2 [17], degradation with a magnetic CuFe 2 O 4 aqueous solution coupled with microwave radiation [18], and a photocatalytic-biological system combination [19]. In addition, mineralization or chemical oxygen demand (COD) removal data have been reported in a few studies for CV degradation.…”