References
- Alaerts , G. J. , Jitjaturant , V. and Kelderman , P. 1989 . Wat. Sci. Technol. , 21 : 1701 – 1704 .
- APHA . 1985 . Standard Methods for the Examination of Water and Wastewater , (16th ed.) , Washington, D.C. : APHA, AWWA, WPCF .
- Bhargava , D. S. and Sheldarkar , S. B. 1993 . Wat. Res. , 27 : 325 – 335 .
- Dasmahapatra , G.P. , Pal , T.K. , Bhadra , A. and Bhattacharya , B. 1996 . Sep. Sci. Technol. , 31 : 2001 – 2009 .
- Hall , K.R. , Eagleton , L.C. , Acrivos , A. and Vermeulen , T. 1966 . Ind. Eng. Chem. Fund. , 5 : 212 – 218 .
- Huang , C. P. and Wu , M. H. 1975 . J. Wat. Pollut. Contr. Fed. , 47 : 2437 – 2442 .
- McKay , G. , Otteerburn , M.S. and Sweery , A.G. 1981 . Wat. Res. , 15 : 327 – 335 . 1981
- Srivastava , H. C. P. , Mathur , R. P. and Mebrotra , I. 1986 . Environ. Technol. Lett. , 7 : 55 – 63 .
- Srivastava , S. K. , Tyagi , R. and Pant , N. 1989 . Wat. Res. , 23 : 1161 – 1165 .
- Sharma , D. C. and Forster , C. F. 1993 . Wat. Res. , 27 : 1201 – 1208 .
- Sharma , D. C. and Forster , C. F. 1994a . Bioresource Technol. , 47 : 257 – 264 .
- Sharma , D. C. and Forster , C. F. 1994b . Bioresource Technol. , 49 : 31 – 40 .
- Tan , W. T. , Ooi , S. T. and Lee , C. K. 1993 . Environ. Technol. , 14 : 277 – 282 .
- Yassi , A. and Nieboer , E. 1988 . Chromium in the natural and human environments, Chichester , 443 – 495 . John Wiley & Sons .
- Zhu , Zhipei , Junlu , Y. , Zenguni , W. and Piya , C . In 7th Int. Peat Congress Proc . June 1984 , Dublin. pp. 147 – 152 .