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2013•Journal of Zhejiang Shuren UniversityRequires access

Study on the Adsorption of Cr(VI) in Wastewater by Immobilized Oil-tea-cake

Chen Luju

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Abstract

Using the fixed oil-tea cake to make the biological adsorbent by the embedding method,adsorption experiments of Cr(Ⅵ)in water are carried out.Comparing different immobilized carriers,it is found that 3% PVA+3% SA is the best fixed carrier.The influence of immobilized oil-tea cake of Cr(Ⅵ)`s adsorption initial concentration,pH,temperature,adsorption time,adsorbent dosage on the adsorption of Cr(Ⅵ)is investigated and the results show that the best conditions for adsorption are:initial concentration of Cr(Ⅵ)for 75mg/L,the temperature of 30℃,pH of 1.0,adsorbent concentration for 18g/L,adsorption time 2h.

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What this paper is about

Using the fixed oil-tea cake to make the biological adsorbent by the embedding method,adsorption experiments of Cr(Ⅵ)in water are carried out.Comparing different immobilized carriers,it is found that 3% PVA+3% SA is the best fixed carrier.The influence of immobilized oil-tea cake of Cr(Ⅵ)`s adsorption initial concentration,pH,temperature,adsorption time,adsorbent dosage on the adsorption of Cr(Ⅵ)is investigated and the results show that the best conditions for adsorption are:initial concentration of Cr(Ⅵ)for 75mg/L,the temperature of 30℃,pH of 1.0,adsorbent concentration for 18g/L,adsorption time 2h.

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Available abstract

Using the fixed oil-tea cake to make the biological adsorbent by the embedding method,adsorption experiments of Cr(Ⅵ)in water are carried out.Comparing different immobilized carriers,it is found that 3% PVA+3% SA is the best fixed carrier.The influence of immobilized oil-tea cake of Cr(Ⅵ)`s adsorption initial concentration,pH,temperature,adsorption time,adsorbent dosage on the adsorption of Cr(Ⅵ)is investigated and the results show that the best conditions for adsorption are:initial concentration of Cr(Ⅵ)for 75mg/L,the temperature of 30℃,pH of 1.0,adsorbent concentration for 18g/L,adsorption time 2h.

Key concepts: Adsorption, Wastewater, Chemistry, Chromatography, Nuclear chemistry, Chemical engineering, Organic chemistry, Environmental engineering

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Study on the Adsorption of Cr(VI) in Wastewater by Immobilized Oil-tea-cake — Research Paper | ScholarLens