Abstract
The adsorption and desorption of algae Cladophora fascicularis and their relation with initial Cd2+ concentration, initial pH, and co-existing ions were studied. Adsorption equilibrium and biosorption kinetics were established from batch experiments. The adsorption equilibrium was adequately described by the Langmuir isotherm, and biosorption kinetics was in pseudo-second order model. The experiment on co-existing ions showed that the biosorption capacity of biomass decreased with an increasing concentration of competing ions. Desorption experiments indicated that EDTA was efficient desorbent for recovery from Cd2+. With high capacities of metal biosorption and desorption, the biomass of Cladophora fascicularis is promising as a cost-effective biosorbent for the removal of Cd2+ from wastewater.
Similar content being viewed by others
References
Fourest, E. and J. Roux, 1992. Heavy metal biosorption by fungal mycelial by product: mechanism and influence of pH. Appl. Microbiol. Biotechnol. 37: 399–403.
Hashim, M. A. and K. H. Chu, 2004. Biosorption of cadmium by brown, green and red seaweeds. Chemical Engineering J. 97(2–3): 249–255.
Holan, Z. R., B. Volesky and I. Prasetyo, 1993. Biosorption of cadmium by biomass of marine algae. Biotech. Bioeng. 41: 819–825.
Holan, Z. R. and B. Volesky, 1994. Biosorption of lead and nickel by biomass of marine algae. Biotechnol. Bioeng. 43:1 001–1 009.
Huang, J. P., C. P. Huang and L. Morehart, 1990. Removal of Cu(II) from dilute aqueous solutions by Saccharomyces cerevisiae. Wat. Res. 24(4): 433–499.
Kratochvil, D., B. Volesky and G. Demopoulos, 1997. Optimizing Cu removal/ recovery in a biosorption column. Wat. Res. 31: 2 327–2 339.
Matheickal, J. T. and Q. Yu, 1999. Biosorption of lead (II) and copper (II) from aqueous solutions by pre-treated biomass of Australian marine algae. Bioresouce Technol. 69: 223–229.
Martheickal, J. T., Q. Yu and G. M. Woodburn, 1999. Biosorption of cadmium of marine algae Durivillaea potatorum. Wat. Res. 33(2): 335–342.
Ramelow, G. J., D. Fralick and Y. Zhao, 1992. Factors affecting the uptake of aqueous metal ions by dried seaweed biomass of marine algae. Microbios. 72: 81–93.
Sanchez, A., A. Balleste, M. L. Blazquez, F. González, J. Muñoz and A. Hammaini, 1999. Biosorption of copper and zinc by Cymodocea nodosa. FEMS Microbiol. Rev. 23(5): 527–536.
Suzuki, Y., T. Kametani and T. Maruyama, 2005. Removal of heavy metals from aqueous solution by nonliving Ulva seaweed as biosorbent. Wat. Res. 39(9): 1 803–1 808.
Yu, Q., J. T. Matheickal, P. Yin and P. Kaewsarn, 1999. Heavy metal uptake capacities of common marine macro algal biomass. Wat. Res. 33:1 534–1 537.
Author information
Authors and Affiliations
Corresponding author
Additional information
Supported by 863 Program (No.2006AA06Z362), NSFC (No. 30530080) and National Science & Technology Pillar Program (No. 2006BAB03A12)
Rights and permissions
About this article
Cite this article
Deng, L., Zhu, X., Su, Y. et al. Biosorption and desorption of Cd2+ from wastewater by dehydrated shreds of Cladophora fascicularis . Chin. J. Ocean. Limnol. 26, 45–49 (2008). https://doi.org/10.1007/s00343-008-0045-0
Received:
Revised:
Issue Date:
DOI: https://doi.org/10.1007/s00343-008-0045-0