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ABSTRACT
Methyl orange is a dye that can pollute water sources. This study aimed to test the ability of clay to remove methyl orange from water using a fixed-bed column. The clay was treated with heat and acid before being used as an adsorbent. The effects of bed depth, flow rate, and initial concentration on the adsorption process were investigated. The results showed that higher bed depth led to longer breakthrough time and higher adsorption capacity. The experimental data were fitted with two mathematical models: the bed-depth service time (BDST) model and the Thomas model. The models were able to predict the breakthrough curves and the column parameters accurately. The study demonstrated that clay is an effective adsorbent for methyl orange removal from water.: Thomas and BDST were analyzed for this experiment using the CAVS software
