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Adsorption of model dyes on recycled silica gel
Published: 12 November 2019 by MDPI in 4th International Electronic Conference on Water Sciences session Wastewater Treatment Modeling, Optimization and Control
Silica gel was used as adsorbent for dyes in aqueous solutions. Afterwards, the silica gel with the adsorbed dye was heated to 600 °C, at which the dye combusted, leaving behind clean silica gel. This silica gel can be reused in the adsorption process. The operation leaves behind little waste products. It is an optimal procedure for educational and other research laboratories which are working with biological stains, food colorants and some non-commercial dyes.
Keywords: dye-stuff, stains, water purification, educational laboratory, waste management
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