Dye Removal of Textile Waste Water Using Natural Adsorbent
Sameeksha B. Patil
M.Tech. Environmental Engineering, Department of Civil Engineering, Sandip University, Nashik, Maharashtra, India. , IN
Pranoti Sabale
M.Tech. Environmental Engineering, Department of Civil Engineering, Sandip University, Nashik, Maharashtra, India. , IN
Swati A. Patil
M.Tech. Environmental Engineering, Department of Civil Engineering, Sandip University, Nashik, Maharashtra, India. , IN
Keywords: Textile waste water, Synthetic waste water, Methylene blue dye, Adsorption, Natural adsorbents, Moringa seed, Lemon seed, Adsorption Isotherms
Abstract
Wastewater discharge into surrounding natural streams has caused surface and subsurface water contamination, leaving water unsafe for potable use and industrial use without major and costly treatment. Colour is a noticeable pollutant and the presence of even minute amounts of colouring substance makes it objectionable due to its appearance. Adsorption is the most used method in physicochemical wastewater treatment, which can mix the wastewater and adsorbent like porous material powder or granules. In the present paper natural adsorbent were used for removal of methylene blue dye from synthetic waste stream which represents textile waste water. The adsorption of Methylene blue, by the natural waste like moringa seed and lemon seed, was carried out by varying the parameters such as contact time, dye concentration, pH, and adsorbent dose. The material were obtained from local fruit market
and farm, dried and sieved for adsorption experiments. The adsorbents are capable of removing colour from synthetic waste water, their colour removal capacity for moringa seed powder is 50% and lemon seed is 86% at room temperature and at pH 6 and 7 respectively. The equilibrium time was found about 60 min for moringa seed and 30 min lemon seed. Data obtained from experiments fitted with Langmuir and Freundlich adsorption isotherms. The experimental result shows that, lemon seed powder is much more efficient than moringa seed powder for removal of methylene blue dye. Overall the result shows that the materials have good potential to remove dye and good potential as an alternate low cost adsorbent. Wastewater treated with low cost adsorbents as well as treatment costs reduced at the same time.
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