Brewing Spent Diatomite as Adsorbents for Cu2+ Removal from Aqueous Solution

Ya Mei Wen; Hong Hui Teng

doi:10.4028/www.scientific.net/AMR.1010-1012.523

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 1010-1012Brewing Spent Diatomite as Adsorbents for Cu2+...

Brewing Spent Diatomite as Adsorbents for Cu²⁺ Removal from Aqueous Solution

Abstract:

Brewing spent diatomite (BSDT), a beer industrial by-product, was used for the adsorptive removal of copper ions from an aqueous solution. The results show that The removal rate of Cu²⁺ decreased from 67.2% to 2.8% with decreasing initial pH from 6 to 2; the adsorption capacity decreased proportionally with an increasing amount of BSDT-800, but the removal efficiency of Cu²⁺ increased with an increasing amount of adsorbent; the adsorption uptake at equilibrium (q_e) increases from 9.9 mg/g to 34.1 mg/g with increasing initial concentration from 10 mg/L to 50 mg/L at 293K; the adsorption process of Cu²⁺ onto BSDT-800 can be described by second-order reaction kinetics.

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Periodical:

Advanced Materials Research (Volumes 1010-1012)

Pages:

523-527

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1010-1012.523

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Online since:

August 2014

Authors:

Ya Mei Wen, Hong Hui Teng*

Keywords:

Adsorption, Brewing Spent Diatomite, Copper Ion

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