LEAD (II) AND CADMIUM (II) BIOSORPTION FROM AQUEOUS SOLUTIONS BY THE SARGASSUM SP. BIOMASS

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SAEIDI REZA; NADAFI K.; NABIZADEH NOUDEHI R.

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Journal: JOURNAL OF SCHOOL OF PUBLIC HEALTH AND INSTITUTE OF PUBLIC HEALTH RESEARCH Year:2007 | Volume:5 | Issue:2 Page(s): 13-24

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Title

LEAD (II) AND CADMIUM (II) BIOSORPTION FROM AQUEOUS SOLUTIONS BY THE SARGASSUM SP. BIOMASS

Author(s)

SAEIDI REZA | NADAFI K. | NABIZADEH NOUDEHI R. | Issue Writer Certificate

Keywords

BIOSORPTIONQ2

SARGASSUMQ3

LEAD (II)Q3

CADMIUM (II)Q3

KINETICQ2

ISOTHERMQ2

Abstract

Background and Aim: We studied the BIOSORPTION of lead (II) and cadmium (II) from aqueous solutions by the brown algae SARGASSUM sp. biomass in a batch system.The heavy metal uptake was quite rapid, reaching 88-96% of the equilibrium capacity of BIOSORPTION in 15 minutes.Material and Methods: KINETIC data were analyzed using the pseudo first-order, pseudo second-order, and saturation and second-order rate equations. Results: The pseudo second-order and saturation rate equations gave the best fit with the experimental data (R2>0.99). The data obtained from experiments of single component BIOSORPTION ISOTHERM were analyzed using the Freundlich, Langmuir, Freundlich-Langmuir and Redlich-Peterson ISOTHERM models. The Redlich-Peterson equation was found to provide the best fit with the experimental data (R2> 0.99). Also the other models described the ISOTHERM of lead (II) and cadmium (II) BIOSORPTION with relatively high correlation coefficients (R2> 0.93).Conclusion: Using the Langmuir model, the maximum uptake capacities (qm) of SARGASSUM sp. for Pb2+ and Cd2+ were 1.70 and 1.02 mmolg-1 respectively.

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APA: Copy

SAEIDI, REZA, NADAFI, K., & NABIZADEH NOUDEHI, R.. (2007). LEAD (II) AND CADMIUM (II) BIOSORPTION FROM AQUEOUS SOLUTIONS BY THE SARGASSUM SP. BIOMASS. JOURNAL OF SCHOOL OF PUBLIC HEALTH AND INSTITUTE OF PUBLIC HEALTH RESEARCH, 5(2), 13-24. SID. https://sid.ir/paper/84944/en

Vancouver: Copy

SAEIDI REZA, NADAFI K., NABIZADEH NOUDEHI R.. LEAD (II) AND CADMIUM (II) BIOSORPTION FROM AQUEOUS SOLUTIONS BY THE SARGASSUM SP. BIOMASS. JOURNAL OF SCHOOL OF PUBLIC HEALTH AND INSTITUTE OF PUBLIC HEALTH RESEARCH[Internet]. 2007;5(2):13-24. Available from: https://sid.ir/paper/84944/en

IEEE: Copy

REZA SAEIDI, K. NADAFI, and R. NABIZADEH NOUDEHI, “LEAD (II) AND CADMIUM (II) BIOSORPTION FROM AQUEOUS SOLUTIONS BY THE SARGASSUM SP. BIOMASS,” JOURNAL OF SCHOOL OF PUBLIC HEALTH AND INSTITUTE OF PUBLIC HEALTH RESEARCH, vol. 5, no. 2, pp. 13–24, 2007, [Online]. Available: https://sid.ir/paper/84944/en

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