1- Antizar-Ladislao, B., and Galil, N. I. (2004). “Biosorption of phenol and chlorophenols by acclimated residential biomass under bioremediation conditions in study aquifer.” Water Research, 38 (2), 267-276.
2- Mustafa, A. I., Alam, S., Amin, N., Bahadur, N., and Habib, A. (2008). “Phenol removal from aqueous system by jute stick.” J. Anal. Environ, Chem., 9(2), 92-95.
3- Srihari, V., and Das, A. (2009). “Adsorption of phenol from aqueous media by an agro-waste (hemidesmus Indicus) based avtived carbon.” Applied Ecology and Environmental Research, 7(1), 13-23.
4- Rahmani, A., and Enayati Movafagh, A. (2006). “Investigation of Photocatalytic degradation of phenol through UV/TiO2 precess.” J. of Water and Wastewater, 58, 32-37. (In Persian)
5- Jadhav, D. N., and Vanjara, A. K. (2004). “Removal of phenol from wastewater using sawdust, polymerized sawdust and sawdust carbon.” Indian J. of Chemical Tech., 11, 35-41.
6- Agency for Toxic Substances and Disease Registry Toxicological Profile for Phenol. (1998). GA: Department of Health and Human Services, Public Health Service; Center for Disease Control, Atlanta.
7- Lin, S. H., and Cheng, M. J. (2001). “Adsorption of phenol and m-cholorophenol on organo bentonitesand repeated thermal regeneration.” J. of Industrial and Engineering Chemistry, 22(6), 595-603.
8- Bolat, F., Govori, A., Haziri, A., Spahiu, S., and Faiku, F.( 2010). “Used tea waste adsorption for removal of phenol from synthetic and Kosovo industrial wastewater.” J. Int. Environmental Application and Science, 5(1), 63-67.
9- Daraei, H., Manshouri, M., and Yazdanbakhsh, A. R. (2010). “Removal of phenol from aqueous solution using ostrich feathers ash.” J. of Mazandaran University of Med. Sci., 20 (79), 81-87. (In Persian)
10- Mittal, A. (2006). “Removal of the dye amaranth from wastewater using hen feathers az potential adsorbent.” Electron, J. Environ., Agri Food Chem., 5 (2), 129- 135
11- Aitcheson, S. J., Arnett, J., and Murray, K. R. (2000). “Removal of aquaculture therapeutants by carbon adsorption: 2: Multicomponent adsorption and the equilibrium behavior of mixtures.” Biotechnology for the Sustainability of Human Spciety, 183 (3-4), 269-284.
12- Allen, S. J. L., Whitten, J. M., and Murray, O. D. (1996). “The adsorption of pollutants by peat, lignite and activated chars.” Envioron. Pollut., 192 (2), 39-50.
13- Gupta, V. K., and Ali, I.(2001). “Removal of lindane and malathion from wastewater using bagasse fly ash—a sugar industry waste.” American J. of Applied Sciences, 36 (10), 33-40.
14- Srivastava, V. C., Mall, I.D., and Mishra, I. M. (2006). “Characterization of mesoporous Rice Husk Ash (RHA) and adsorption kinetics of metal ions from aqueous solution onto RHA.” J. of Hazardous Materials,
134 (1-3) 257-267.
15- Mittal, A., Mittal, J., Kurup, L., and Singh, A. K. (2006). “Process development for the removal and recovery of hazardous dye erythrosine from wastewater by waste materials-bottom ash and de-oiled soya as adsorbents.” J. of Hazardous Materials, 138 (1), 95-105.
16- Mittal, A., Malviya, A., Kaur, D., Mittal, J., and Kurup, L. (2007). “Studies on the adsorption kinetics and isotherms for the removal and recovery of methyl orange from wastewaters using waste materials.” J. of Hazardous Materials, 148 (1-2), 229-240.
17- De la Rosa, G., Reynel-Avila, H. E., Bonilla, A., and Martinez, A. L. (2008). “Word academy of science.” Engineering and Technology, 47, 394-402.
18- Fawzi, A. B., and Sameer, A. (2000). “Biosorbtion of phenol bye chicken feathers.” Environ. Engg. and Policy,
2 (2), 85-90.
19- AWWA. (1999). Standard methods for the examination of water and wastewater, 20th Ed., American Public Health Associationi,USA.
20- Uddin, M. T., Islam, M. S., and Abedin, M. Z. (2007). “Adsorption of phenol from aqueous solution by water hyacinth ash.” ARPN J. of Engineer and Applied Sciences, 2(2), 11-17.
21- Halhouli, K.A., Drawish, N.A., and Al-Dhoon, N. M. (1995). “Effects of pH and inorganic salt on the adsorption of phenol from aqueous systems on activated decolorizing charcoal.” Separat. Sci. and Tech., 30(1), 3313-3324.
22- Banat, F. A., Al-Bashir, B., Al-Asheh, S., and Hayahneh, O. (2000). “Adsorption of phenol by bentonite.” Env. Pollut, 107 (3), 391-398.
23- Vimal, C., Srivastava, S., Mahadeva, M., Indra, D., Basheswar Prasadm Indra, M., and Mishra S. (2006). “Adsorptive removal of phenol by bagasse fly ash and activated carbon: Equilibrium, kinetics and thermodynamics.” J. Coll. and Surf., 5(2), 89-104.
24-16- Mittal, A., Mittal, J., and Kurup, L. (2007). “Utilization of hen feathers for the adsorption of Indigo carmine from simulated effluents.” J. Env. Prot. Sci., 146, 92-100.
25- Mahvi, A. H., Maleki, A., and Eslami, A. (2004). “Potential of rice husk and rice husk ash for phenol removal in aqueous systems.” American J. of Applied Sciences, 1 (4), 321-326.
26- Vazquez, G., Gonzalez, J., Freire, M., Calvo, M., and Antorrena, G. (2009). “Determination of the optimal conditions for the adsorption of cadmium ions and phenol on chestnut (castanea sativa) shell.” J. of Glob. NEST. 11(2), 196-204.
27- Nagda, G. K., Diwan, A. M., and Ghole, V.S. (2007). “Potential of tendu leaf refuse for phenol removal in aqueous systems.” Appli. Eco. Env. Res., 5(2), 1-19.
28- Mishra, S., and Bhattacharya, J. (2007). “Batch studies on phenol removal using leaf activated carbon.” Malay J. Chem., 9(1), 1-15.
29- Potgieter, J. H., Bada, S. O., and Potgieter, S. S. (2009). “Adsorptive removal of various phenols from water by south African coal fly ash.” J. Water Sci., 35(1), 378-387.
30- Aksu, A., Ac-ykel, U., Kabasakal, E., and Tezer, S. (2002). “Equilibrium modeling of individual and simultaneous biosorption of chromium (VI) and nickel (II) onto dried activated sludge.” J. of Water Research, 36(12), 3063-3073.
31- Rengaraj, S., Seuny-Hyeon, M., and Sivabalan, R. (2002). “Agricultural solid waste for the removal of organics: Adsorption of phenol from water and wastewater by palm seed coat activated carbon.” Waste Manage., 22 (5), 543-548.
)