1- Zafar, N.M., Nadeem, R., and Hanif, M.A. (2007). “Biosorption of nickel from protonated rice bran.” J. of Hazardous Materials, 143, 478-485.
2- Moalem, F. (1998). “Familiarity with some heavy metals.” Environmental Journal, 10, 11-18.
3- Shahmohammadi, Z. (2010). “Lead removal from aqueous solutions using low-cost adsorbents.” J. of Water and Wastewater, 75, 47-48. (In Persian)
4- Dursun, A.Y. (2006). “A comparative study on determination of the equilibrium, kinetic and thermodynamic parameters of biosorption of copper(II) and lead(II) ions onto pretreated Aspergillus niger.” Biochemical Engineering Journal, 28, 187-195.
5- Patterson, J.W. (1985). Industrial wastewater treatment technology, 2nd Ed., Butterworth, Boston.
6- Mohana, S., Acharya, B.K., and Madamwar, D. (2009). “Distillery spent wash: Treatment technologies and potential applications.” J. Hazard. Mater, 163, 12-25.
7- Rafatullah, M., Sulaiman, O., Hashim, R., and Ahmad, A. (2009). “Adsorption of copper (II), chromium (III), nickel (II) and lead (II) ions from aqueous solutions by meranti sawdust.” J. of Hazardous Materials, 170, 969-977.
8- Esmaeili, A., and Ghasemi, S. (2009). “Evaluation of the activated carbon prepared of algae marine gracilaria for the biosorption of Ni (II) from aqueous solutions.” World Applied Sciences J., 6 (4), 515-518.
9- Parvin Pour, A. (2001). “Treated samples absorbed by activated carbon and carbon molecular sieve, using different models attract.” M.Sc., Thesis, Iran University of Science and Technology, Tehran. (In Persian)
10- Prism, M., and Vossoughi, M. (1998). “Remove heavy metals by artificial Nyzarhay.” Ater Magazine, 31, 29-38.
11- Erdog˘an, S., O¨ nal, Y., Akmil-Bas¸ar, C., Bilmez-Erdemog˘lu, S.,.Sarıcı-O¨ zdemir, C¸., Ko¨seog˘lu, E., and I˙c¸duygu, G. (2005). “Optimization of nickel adsorption from aqueous solution by using activated carbon prepared from waste apricot by chemical activation.” Applied Surface Science, 252, 1324-1331.
12- Demirbas¸ E., Kobya, M., Oncel, S., and Sencan, S. (2002). “Removal of Ni(II) from aqueous solution by adsorption onto hazelnut shell activated carbon: Equilibrium studies.” Biores Technol, 84, 291-293.
13- Weng, C.H. (2002). “Removal of nickel (II) from dilute aqueous solution by sludge-ash.” J. Environ Eng., 128(8), 716-721.
14- Yang, T., and Chong Lua, A. (2003). “Characteristics of activated carbons prepared from pistachio-nut shells by potassium hydroxide activation.” Microporous and Mesoporous Materials, 63, 113-124.
15- Prasantha, K.P., Renjith, S., Pillaia, H.C., Bajaja, R.V., Jasraa, H.D. , CHongb, T.H., Kimb, S.D., and Song, S.D. (2008). “Adsorption of hydrogen in nickel and rhodium exchanged zeolite X.” International J. of Hydrogen Energy, 33, 735- 745.
16- Pratik, M., Choksia, V., and Joshib, Y. (2007). “Adsorption kinetic study for the removal of nickel (II) and aluminum (III) from an aqueous solution by natural adsorbents.” Desalination, 208, 216-231.
17- Ofomaja, A.E., and Ho, Y. (2007). “Effect of Ph on cadmium biosorption by coconut copra meal.”
J. Hazard. Mater., 139, 356-362.
18- Hequet, E., Abidi, N., and Gourlot, J. P. (1998). “Application of methylene blue adsorption to cotton fiber specific surface area measurement.” J. of Cotton Science, 2, 164-173.
19- Deng, S., and Ting, Y.P. (2005). “Characterization of PEI- modified biomass and biosorption of cu(II), Pb (II) and Ni (II).” Water Res., 39, 2167-2177.
20- Harris, P.O., and Ramelow, G.J. (1990). “Binding of metal ions by particulate biomass from chloriella vulgaris and Scenedesmus quadricaula.” Environ. Sci. Technol., 24, 220-226.
21- Zhou, J.L., Kiff, R.J. , and Chem, J. (1991). “The uptake of copper from aqueous solution by immobilized fungal.” J. of Chemical Technol and Biotechnol., 52 (3), 317-330.
22- Royer, B., Cardoso, N.F., Lima, E.C., Vaghetti, J.C.P., Simon, N.M., Calvete, T., and Veses, R.C. (2009). “Applications of Brazilian pine-fruit shell in natural and carbonized forms as adsorbents to removal of methylene blue from aqueous solutions Kinetic and equilibrium study.” J. Hazard Mater, 164, 1213-1222.
23- Chantawong, V., Harvey, N.W., Bashkin, V.N., and Asian, J. (2001). “Adsorption of lead nitrate on thaikaolin and ball cray.” Asian J. of Energy Environ., 1, 33-48.
24- Bayat, B. (2002). “Comparative study of adsorption properties of Turkish fly ashes: The case of nickel(II), copper(II) and zinc(II).” J. of Hazardous Materials, 95, 251-273.
25- Panda, G.C., Das, S.K., Bandopadhyay, T.S., and Guha, A.K. (2007). “Adsorption of nickel on husk of Lathyrus sativus: Behavior and binding mechanism.” Colloids and Surfaces B: Biointerfaces, 57, 135-142.
26- Shamohammdi Heidari, Z. (2007). “Removal of cadmium from aqueous solution by pretreated by sodium.” Ph.D. Thesis, Chamran University, Ahwaz. (In Persian)
27- Rajic, N., Stojakovic, D., Jevtic, S., Zabukovec Logar, N., Kovac, J., and Kaucic, V. (2009). “Removal of aqueous manganese using the natural zeolitic tuff from the Vranjska Banja deposit in Serbia.” J. of Hazardous Material, 172 (2-3), 1450-1457.
28-Taffarel, S. R., and Rubio, J. (2009). “Removal of Mn2+ ions by adsorption onto natural and activated Chilean zeolites.” Minerals Engineering, 22, 336-343.
29-Yavuz, O., Altunkaynak, Y., and Guzel, F. (2003). “Removal of copper, nickel, cobalt, and manganese from aqueous solution by kaolinite.” Water Res.; 37, 948-952.
30- Rao, M., Parawate A.V., and Bhole, A.G. (2002). “Removal of Cr6+ and Ni2+ from aqueous solution using bagasse and fly ash.” Waste Manage, 22, 821-830.