Colored dyes are widely used in various industries such as textile, printing, plastic, food, pharmaceutical, and cosmetic to color the final product. Their discharge into water body can cause environmental pollutions because many of the used dyes are toxic or even some are considered carcinogenic for human health [1]. Rhodamine B (RB) is one of the most important water-soluble organic dye, which has been extensively used as a colorant in the textile and food industries as well as a biological stain in biomedical laboratories