1.Adesina, A.A. 2004. Industrial exploitation of photocatalysis progress, perspectives and prospects. Catalysis Surveys from Asia. 8: 4. 265-273.
2.Alan, J.D., Darren, D.S., and James, O.L. 2011. Selective sorption of divalent cations using a high capacity sorbent. Journal of Hazardous Materials.187: 1-3. 96-100.
3.Alizadeh, A. 2004. Quality of Irrigation Water. 6 Ed., Astan Quds Razavi Press. 96p. (In Persian)4.Asahi, R., Morikawa, T., Ohwaki, T., Aoki, K., and Taga, Y. 2001. Visible-light photocatalysis in nitrogen-doped titanium oxides. Science. 293: 5528. 269-271.
5.Bae, E., and Choi, W. 2003. Highly enhanced photoreductive degradation of perchlorinated compounds on dye-sensitized metal/TiO2 under visible light. Environmental Science and Technology. 37: 1. 147-152.
6.Barakat, M.A. 2011. New trends in removing heavy metals from industrial wastewater. Arabian Journal of Chemistry. 4: 4. 361-377.
7.Chen, S., Yue-Gao, B., and Xu, X. 2010. Equilibrium and kinetic adsorption study of the adsorptive removal of Cr (VI) using modified wheat residue.
Journal of Colloid and Interface Science. 349: 1. 256-264.
8.Divband, L., Behzad, M., Boroomandnasab, S., and Divband, S. 2012. Investigation of nano particles efficiency prepared from Cedar Fly Ash (Zizyphus Spinachristi) for Lead (Pb+2) removal from aqueous solution. Iranian Journal of Health and Environment.5: 1. 51-62. (In Persian)
9.Doan, H.D., Lohi, A., Dang, V.B.H., and Dang, T. 2008. Removal of Zn+2 and Ni+2 by adsorption in a fixed bed of wheat straw. Process Safety and Environment Protection. 86: 259-267.
10.Farasati, M., Boroomandnasab, S., Abedi Koupai, J., Jafarzadeh, N., Moazed, H., and Saiedian, M. 2012. Nitrate contaminated water treatment using micro and nanostructured sugarcane straw. Journal of Water and Soil Science. 16: 61. 83-95. (In Persian)
11.Heidari, A., Younesi, H., and Mehraban, Z. 2010. Removal of Cd(II), Ni(II),and Pb(II) Ions in an Aqueous Solution by Chemically Modified Nanoporous MCM-41. Water and Wastewater.21: 1. 25-33. (In Persian)
12.Hu, J., and Shipley, H. 2012. Evaluation of desorption of Pb (II), Cu (II) and Zn (II) from titanium dioxide nanoparticles. Science of The Total Environment.431: 209-220.
13.Hua, M., Zhang, Sh., Pan, B., Zhang, W., and Zhang, Q. 2012. Heavy metal removal form water/wastewater by Nano-sized metal oxides. Journal of Hazardous Materials. 211-212: 317-331.
14.Jahangiri, A., and Ameri, E. 2017. Experimental investigation on Cadmium ions removal from aqueous solutions by modified wheat straw biosorbent. Journal of Environmental Science and Technology. 19: 1. 31-47. (In Persian)
15.Kabra, K., Chaudhary, R., and Sawhney, R.L. 2004. Treatment of hazardous organic and inorganic compounds through aqueous- phase photocatalysis: A review. Industrial and Engineering Chemistry Research. 43: 24. 7683-7696.
16.Karimi Takanlu, L., Farzadkia, M., Mahvi, A.H., Esrafily, A., and Golshan, M. 2004. Optimization of adsorption process of Cadmium ions from synthetic wastewater using synthesized iron magnetic nanoparticles (Fe3O4). Iranian Journal of Health and Environment.7: 2. 171-184. (In Persian) 17.Kumar, R., and Chawla, J. 2014. Removal of cadmium Ion form water/ wastewater by nano- metal oxides. Water Quality Exposure and Health.5: 4. 215-226.
19.Mahvi, A.H., Bina, B., and Saidi, A. 2002. Evaluating the efficiency of natural fibers in removal of Cadmium from industrial wastewaters. Water and Wastewater. 13: 43. 2-6. (In Persian)
20.Mohammadi Galehzan, M., and Shamohammadi, S. 2013. Comparison of active carbon, sawdust, almond shell and hazelnut shell absorbents in removal of Nickel from aqueous environment. Water and Wastewater. 24: 3. 71-79.
(In Persian)
21.Mohammadi, M., Fotovat, A., and Haghnia, G.H. 2009. Application of sand–soil–organic matter filter column for removal of Cu, Ni, Zn and Cr heavy metals from industrial wastewater. Journal of Water and Soil. 23: 1. 251-362.
(In Persian)
22.Motaghi, M., and Mokhtarian, N. 2016. Removal of Lead and Chromium from wastewaters and production of purified water using palm fibers. 1st National Conference on Demand and Supply of Drinking Water and Sanitation. Isfahan University of Technology, Isfahan, Iran. (In Persian)
23.Obare, S.O., and Meyer, G.J. 2004. Nanostructured materials for environmental remediation of organic contaminants in water. Journal of Environmental Science and Health,Part A. 39: 10. 2549-2582.
24.Poonawala, N.A., Lighetsey, G., and Henderson, R.W. 1975. Removal of heavy metals from wastewater and sludge by adsorption on to solid wastes. Water Resource. 2: 247-259.
26.Zavvar Mousavi, S.H., and Arjmandi,A. 2010. Removal of heavy metals from industrial wastewater by sheep gut waste. Water and Wastewater.21: 1. 63-68. (In Persian)
27.Zeraatkar, Z., and Taherian, P. 2014. Study of bio-adsorbent efficiency in removal of Chromium and Cadmium from industrial wastewater. First National Conference on Sustainable Management of Soil and Environmental Resources. 10-11 September. Shahid Bahonar University of Kerman, Iran. (In Persian)
28.Zhang, W.X. 2003. Nano-scale iron particles for environmental remediation. Journal of Nanoparticle Research.
5: 323-332.