[1. Dahiya, S., Tripathi, R.M. & Hegde, A.G., (2008). Biosorption of heavy metals and radionuclide from aqueous solutions by pre- treated arca shell biomass, J. Hazard Mater. 150, 376-386. DOI:10.1016/j.hazmat 2007.04.134.]Search in Google Scholar
[2. Sprynskyy, M., Buszewski, B. & Terzyk, A.P., Namie´snik, J., (2006). Study of the selection mechanism of heavy Metal Pb2+ , Cu2+ , Ni2+ and Cd2+) adsorption on clinoptilolite, J. Colloid Interf. Sci. 304, 21-28. DOI:10.1016/j.jcis 2006.07.068.]Search in Google Scholar
[3. Davis, T.A., Volesky, B. & Vieira, R.H.S.F., (2000). Sargassum seaweed as biosorbent for heavy metals. Water Res. 34, 4270-4278.10.1016/S0043-1354(00)00177-9]Search in Google Scholar
[4. Primary Drinking Water Rules., (1992). Sec.141.32 (e) (20), Federal Regulations, The Bureau of National Affairs, Inc.,]Search in Google Scholar
[5. Kuyucak, N. & Volesky, B., (1998). Biosorbent for recovery of metals from industrial solutions. Biotechnol Lett 10:137-142.]Search in Google Scholar
[6. Pagnanelli, F., Pietrangeli, M., Toro, L., Trifoni, M. & Veglio, F., (2003). Biosorption of metal ions on Arthrobacter sp.: biomass characterization and bisortpion modelling, Environ. Sci. Technol. 34, 2773-2778.]Search in Google Scholar
[7. Pagnanelli, F., Trifoni, M., Bcolchini, R., Esposito, A., Toro, L. & Veglio, F., (2001). Equilibrium biosorption studies in single and multi-metal systems, Process Biochem. 37 (2), 115-124.]Search in Google Scholar
[8. Volesky, B., (1987). Biosorbents for metal recovery,Trends Biotechnol. 5, 96-101.]Search in Google Scholar
[9. Gadd, G.M. & White, C., (1993). Microbial treatment of metal pollution: a Working biotechnology, Trends Biotechnol 11, 353- 360.10.1016/0167-7799(93)90158-6]Search in Google Scholar
[10. Ramelow, G.J., Fralick, D. & Zhao, Y., (1992). Factors affecting the uptake of aqueous metal ions by dried seaweed biomass, Microbios 72, 81-93.]Search in Google Scholar
[11. Vilar, V.J.P., Botelho, C.M.S. & Boaventura, R.A.R., (2008). Lead and copper biosorption by marine red algae Gelidium and algal composite material in a CSTR (“Carberry” type), Chem. Eng. J. 138, 249-257.]Search in Google Scholar
[12. Vilar, V.J.P., Botelho, C.M.S., Boaventura, R.A.R., (2008). Metal biosorption by algae Gelidium derived materials from binary solutions in a continuous stirred adsorber, Chem. Eng. J. 141, 42-50.]Search in Google Scholar
[13. Babel, S., Kurmiawan, T.A., (2003). Low-cost adsorbents for heavy metals uptake from contaminated water: a review, J. Hazard. Mater. B 97, 219- 243.10.1016/S0304-3894(02)00263-7]Search in Google Scholar
[14. El-Sikaily, A., Khaled A., El Nemr, A. & Abdelwahab, O., (2006). Removal of methylene blue from aqueous solution by marine green alga Ulva lactuca, Chem. Ecol. 22 149-157.]Search in Google Scholar
[15. Abdelwahab, O., El Nemr, A., El-Sikaily, A., Khaled, A., (2006). Biosorption of Direct Yellow 12 from aqueous solution by marine green algae Ulva Lactuca, Chem. Ecol. 22, 253- 266.]Search in Google Scholar
[16. Abdelwehab, O., El Sikaily, A., El Nemr, A., Khaled, A., (27-29th May 2006). Biosorption of copper from aqueous solution by biomass of marine Ulva lettuce and its activated carbon, in: International Conference on Marine Pollution in the Arab Region, Sheraton El Montaza, Alexandria, Egypt, p.13.]Search in Google Scholar
[17. Gong, R., Ding, Y.D., Liu, H., Chen, Q. & Liu, Z., (2005). Lead biosorption by intact and pretreated spirulina maxima biomass, Chemosphere 58, 125-130.10.1016/j.chemosphere.2004.08.055]Search in Google Scholar
[18. Karthikeyan, S., Sivakumar, P. & Palanisamy, P.N., (2008). Novel Activated Carbons from Agricultural Wastes and their Characterization, E-Journal of chemistry 5, 409-426.10.1155/2008/902073]Search in Google Scholar
[19. Aydın, H., Bulut, Y., Yerlikaya, C., (2008). Removal of copper (II) from aqueous solution by adsorption onto low-cost adsorbents, Journal of Environmental Management 87, 37-45.10.1016/j.jenvman.2007.01.005]Search in Google Scholar
[20. Ajmal, Rao, M., Ahmad, R. A. K., and Ahmad, R., (2000). Adsorption studies on Citrus reticulate (fruit peel of orange): removal and recovery of Ni (II) from electroplating wastewater. Hazardous Materials, 79, 117-131.10.1016/S0304-3894(00)00234-X]Search in Google Scholar
[21. Langmuir I., (1918). The adsorption of gases on plane surfaces of glass, mica and platinum, J. Am. Chem. Soc. 40, 1361-1367.10.1021/ja02242a004]Search in Google Scholar
[22. Weber, Jr. W.J., (1972). Physicochemical Processes for Water Quality Control, Wiley/Inter-science, New York.]Search in Google Scholar
[23. Freundlich, H. & Helle ,W.J., (1939). Ruber die adsorption in Lusungen Journal of American Chemical Society, 61, 2-28.10.1021/ja01877a071]Search in Google Scholar
[24. Seker A., Shahwan T., Eroglu A.E., Yilmaz S., Demirel Z. & Dalay M.T., (2008). Equilibrium thermodynamic and kinetic studies for the biosorption of aqueous lead(II), cadmium(II) and nickel(II) ions on Spirulina platensis, J. Hazard. Mater. 154, 973-980. DOI:10.1016/j.hazmat 2007.11.007.]Search in Google Scholar
[25. Lagergren, S. & Kungliga, S., (1898). Svenska Ventenskapsakademiens. Handlingar, Band. 24(4):1.]Search in Google Scholar
[26. Ho, Y.S. & McKay, G., (1999). The sorption of lead (II) ions on peat. Water Research 33, 578-584.10.1016/S0043-1354(98)00207-3]Search in Google Scholar
[27. Cetinkaya Donmez, G., Aksu, Z., Ozturk, A., Kutsa, T., (1999). A comparative study on heavy metal biosorption characteristics of some algae, Process Biochem. 34, 885-892.]Search in Google Scholar
[28. Aksu, Z., Wong, Y.S. & Tam, N.F.Y., (1998). Algae for Waste Water Treatment, Springer-Verlag/Landes Bioscience, Germany, pp. 37-53 (Chapter3).]Search in Google Scholar
[29. Harris, P.O. & Ramelow, G.J., (1990). Binding of metal ions by particulate biomass derived from Chlorella vulgaris: Part I individual ion species, Environ.Sci. Technol. 24, 220-228.10.1021/es00072a011]Search in Google Scholar
[30. Jianlong, W., (2002). Biosorption of copper(II) by chemically modified biomass of Saccharomyces cerevisiae, Process Biochem. 37, 847-850.]Search in Google Scholar
[31. Tien, C.J., (2002). Biosorption of metal ions by freshwater algae with different surface characteristics, Process Biochem. 38, 605-613.]Search in Google Scholar
[32. Horsfall Jr, M., Abia, A.A. & Spiff, A.I., (2003). Sorption of cadmium(II) and zinc(II) ions from aqueous solutions by cassava waste biomass (Manihot sculenta Cranz), Afr. J. Biotechnol. 2 (10), 360-364.]Search in Google Scholar
[33. Nuhoglu, Y. & Oguz, E., (2003). Removal of copper(II) from aqueous solutions by biosorption on the cone biomass of Thuja orientalis, Process Biochem.38, 1627-1631.]Search in Google Scholar
[[34] Matheickal, J.T., Yu. Q., (1999). Biosorption of lead (II) and copper(II) from aqueous solutions by pre-treated biomass of Australian marine algae. Bioresource Technol. 69, 223-229.10.1016/S0960-8524(98)00196-5]Search in Google Scholar