REFERENCES
- Marques , P. , Rosa , M.F. , and Pinheiro , H.M. ( 2000 ) Bioprocess Eng. , 23 : 135 – 141 .
- Vasuderan , P. , Padmavathy , V. , and Dhingra , S.C. ( 2003 ) Bioresource Technol. , 89 : 281 – 287 .
- Kobya , M. , Demirbas , E. , Senturk , E. , and Ince , M. ( 2005 ) Bioresource Technol. , 96 : 1512 – 1518 .
- Demirbas , E. ( 2003 ) Adsorption Sci. Technol. , 21 : 951 – 963 .
- Rangraj , S. , Yeon , K.-H. , and Jong , U.N. ( 2002 ) J. Haz. Mat. , 892 : 185 – 197 .
- Matlock , M.M. , Howerton , B. , and Alwood , D.A. ( 2002 ) Water Res. , 36 : 757 – 4764 .
- Feng , D. and Aldrich , C. ( 2004 ) Hydrometallurgy , 73 ( 1–2 ): 1 – 10 .
- Mohammadi , T. , Mohen , A. , Sadrzadeh , M. , and Razmi , A. ( 2005 ) Sep. Purif. Technol. , 41 ( 1 ): 73 – 82 .
- Abia , A.A. , Horsfall , M. Jr. , and Didi , O. ( 2003 ) Bioresource Technol. , 90 ( 3 ): 345 – 348 .
- Ajmal , M. , Rao , R.A.K. , Anwar , S. , Ahmed , J. , and Ahmed , R. ( 2003 ) Bioresource Technol. , 86 : 147 – 149 .
- Aksu , Z. ( 2002 ) Process Biochem. , 38 ( 1 ): 89 – 99 .
- Annadurai , G. , Juang , R. , and Lee , D. ( 2002 ) J. Water Sci. Technol. , 47 ( 1 ): 185 – 190 .
- Babarinde , N.A.A. and Oyedipe , R.A. ( 2001 ) Afri. J. Environ. Sci. , 2 ( 1 ): 85 – 88 .
- Bansode , N.A.A. , Ogunbanzo , O.O. , and Babalola , J.O. ( 2002 ) Afri. J. Technol. , 2 ( 1–2 ): 200 – 202 .
- Cimino , G. , Passerini , A. , and Toscano , G. ( 2000 ) Water Res. , 34 : 2955 – 2962 .
- Bajpai , A.K. and Sachdeva , R. ( 2000 ) J. App. Polym. Sci. , 78 : 1656 .
- Bajpai , A.K. and Vishwakarma , N. ( 2003 ) Colloids Surf. , 220 : 117 .
- Bajpai , A.K. , Rajput , M. , and Mishra , D.D. ( 1997 ) J. Colloid Interface Sci. , 96 : 187 .
- Bajpai , A.K. and Rajpoot , M. ( 1996 ) Bull. Chem. Soc., Jpn. , 69 ( 3 ): 521 .
- Bajpai , A.K. and Bajpai , U.D.N. ( 1993 ) Polym. Int. , 32 : 43 .
- Kistone , R.E. ( 1950 ) Anal. Chem. , 22 : 664 – 667 .
- APHA . ( 1989 ) Standard Methods for Examination of Water and Waste Water, , 17th ; ed. New York : American Health Association .
- Xu , H. , Liu , Y. , and Tay , J. ( 2006 ) Bioresource Technol. , 97 ( 3 ): 359 – 363 .
- Bajpai , S.K. ( 2001 ) Sep. Sci Technol. , 36 ( 6 ): 399 .
- Freundlich , H. ( 1907 ) Phys. Chem. , 57 : 385 – 470 .
- Langmuir , I. ( 1918 ) J. Amer. Chem. Soc. , 40 : 1361 – 1403 .