TEMPERATURE EFFECTS ON ADSORPTION RATE FOR AZO DYE REMOVAL FROM TEXTILE WASTE WATER USING ACTIVATED BENTONITE CLAY

Atif Khan, Hassan Javed Naqvi, Shabana Afzal

Abstract


Waste water from the textile industry is one of the major sources of contamination causing serious health problems. In textile waste water, dyes are the main pollutant. In this research work textile waste water was treated with various organic acid-activated clays to remove the dyes. Pink Azo dye was selected as a component to remove from waste water. Adsorbent selected was bentonite clay and was activated by acids such as phosphoric, acetic, oxalic, and citric acids. Adsorbent characteristics have been analyzed through infrared spectroscopy (FTIR) and Scanning Electron Microscope (SEM) while the removal of dye at various temperatures has been analyzed through Ultraviolet (UV) analysis. It was observed that the bentonite clay-treated with phosphoric acid had relatively maximum capacity to remove the dye while the clay treated with oxalic acid got minimum capacity to remove the dye from same waste water.


Keywords


Azo-dye, adsorption, Phosphoric, Acetic, Citric and Oxalic acids, SEM, FTIR, UV.

References


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DOI: http://dx.doi.org/10.24949%2Fnjes.v12i2.412

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ISSN (Print): 2070-9900   ISSN (Online): 2411-6319