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Original Articles Open Access
Dyes are present in various Industrial effluents like Textile Industries, Sewage water, Water treatment plants. The use of low cost adsorbent has been investigated as a replacement for the current expensive method of removing dye from waste water. The objective of this work is the study of adsorption of dye solution which is a phenol red using low cost adsorbent Casuarina fresh leaf .Removal of phenol red dye from aqueous solution using this adsorbent has been investigated. Liquid phase adsorption experiments were conducted. Batch adsorption studies are carried out by observing the effect of experimental parameters namely adsorbent dose, initial dye concentration, time agitation and effect of pH. In present study it was observed that adsorption of initial dye concentration 700mg/L solution showed ,17% adsorption . The maximum adsorption observed was 40% with 1gm adsorbent dose for the same concentration 700mg/L of dye solution at same condition. The effect of time of 100 min contact time for same condition of 700mg/L & 3gm adsorbent dose showed not much difference as adsorbent gives 20% . Since this initial dye concentration of phenol red is acidic dye pH variation of 7, 7.5, 8.5 showed negative value.
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Author(s): E Kowsalya S Sharmila and Jeyanthi Rebbecca
Adsorption, pH, dye, Casuarina, adsorbent