In recent years, the production of value-added materials from plants has attracted great interest from scientists around the world. In this study, a novel biosorbent from Prunus laurocerasus leaves (Pll), an herbal waste, material that was eco-friendly and cheap, was successfully produced to remove synthetic dye (methylene blue, MB) from aqueous environment. Optimum bio-adsorption conditions were contact period of 360 min, solution pH of 8, biosorbent amount of 10 mg and MB concentration of 15 mg L− 1. Experimental biosorption profile was best fitted by Langmuir isotherm model (R2: 1.000, R2adj: 0.999, RMSE: 0.504), showing a bio-adsorption capacity of 70.870 mg g− 1, and Elovich kinetic model (R2: 0.981, R2adj: 0.980, RMSE: 2.693). Synthetic dye biosorption was a spontaneous, feasible and physical process. Pll exhibited a surface structure favorable for retention of synthetic dye. These remarkable experimental data indicate that Pll can be successfully used in field of removal of synthetic dyes from aqueous medium.
Fatih Deniz (Mon,) studied this question.