VJ, JG contributed to the strategy, the experimental design, and planning of the study.
In the following sections we describe the experimental plan and the data collection methodology.
FT has planned the project, designed the experimental plan and drafted the manuscript.
Michael J. Davies directed the research, designed the experimental plan and wrote the paper.
They also helped in the conception of the experimental plan and in the writing of this manuscript.
KNF also helped in the conception of the experimental plan and in the writing of this manuscript.
C.T. designed the experimental plan, supervised the project and wrote the manuscript.
MZ designed the experimental plan, coordinated the research and drafted the manuscript.
A total of 42 experiments (21 experiments in duplicates) were carried out for each oil, following the experimental plan based on the Doehlerts experimental design.
The experimental plan showing the coded value and uncoded value of the variables together with the dye removal efficiency for CR is given in Table 3.
