Biosorption of Cu2+ by Anaerobic Granular Sludge

Bai Ren Yang; Dong Xue Liu; Xian Niu; Cheng Ding

doi:10.4028/www.scientific.net/AMR.945-949.3483

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 945-949Biosorption of Cu2+ by Anaerobic Granular Sludge

Biosorption of Cu²⁺ by Anaerobic Granular Sludge

Abstract:

In order to investigate the biosorption of Cu²⁺ by anaerobic granular sludge, the effect of equilibrium time, pH, sludge dosage, biosorption kinetics, biosorption thermodynamics and biosorption isotherms had been studied. Results showed that pseudo second-order kinetic model was useful to describe the biosorption process of Cu²⁺. Both Langmuir and Freundlich isotherm equations could well describe the desorption process at 15-55 °C. Thermodynamic studies showed that the biosorption process was spontaneous and endothermic in nature. When the solution temperature maintained at 35 °C, pH of 6~7, a good biosorption process could be obtained.

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Periodical:

Advanced Materials Research (Volumes 945-949)

Pages:

3483-3488

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.945-949.3483

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Online since:

June 2014

Authors:

Bai Ren Yang, Dong Xue Liu, Xian Niu, Cheng Ding

Keywords:

Anaerobic Granular Sludge, Biosorption Dynamics, Cu²⁺, Isothermal Biosorption

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