… Methylene blue (MB), a cationic dye, is used for colouring paper, temporary hair colourant,
dyeing … In this study a class of three level complete factorial designs (central composite design…

… of MB dye, and the reaction time were chosen as the working parameters. The experiments
were designed using a central composite design (CCD) based on the dye removal efficiency …

… affecting the methylene blue (MB) decolorization process (pH, dye concentration, Mn 3 O 4
… , response surface methodology (RSM) with central composite design (CCD) was used. In …

… famous method for dye removal is adsorption … Methylene blue (MB) commonly applied as
coloring dye, while it is also used for dying cotton and silk [10]. The harmful impacts of such dye …

… Moreover, most of the dyes are toxic to the environment and known as a potential human …
Methylene blue (MB) is a water-soluble dye that has various applications in dyeing industries, …

… as solid nanosubstrates for adsorption of methylene blue dye (MB) and for carrying out the
… Finally, we used RSM and central composite design (CCD) to model the influence of some …

… dye. Other chemicals were of analytical grade purchased from Merck. A four-factor five-level
central composite design (… of methylene blue dye molecules from synthetic dye solutions by E…

… adsorption of bromophenol blue (BPB) and methylene blue (MB) dyes in binary mixture …
of adsorbent and sonication time were studied by central composite design (CCD). Then, the …

… Synthetic dyes are the most serious organic pollutants that are discharged into the … industries
for coloring their products [Citation1]. Methylene blue (MB) is a basic dye, which has been …

… Direct Blue 71 (DB71) in aqueous solution was investigated by nanocomposites of
chitosan-MWCNTs (ch-MWCNTs). The central composite design … the initial dye concentration, pH …