Effective size and pH of DHR for mitigating Arsenic from water
Author Affiliations
- 1 Department of Civil and Environmental Engineering, Birla Institute of Technology, Mesra, Ranchi, INDIA
Res.J.chem.sci., Volume 4, Issue (6), Pages 73-76, June,18 (2014)
Abstract
Dried hyacinth root (DHR) powder is very efficient and provides a cost effective method for removing arsenic from water. There are various biosorbent available which are efficient in removing heavy metals. The present study successfully assess the potential of dried powder of hyacinth root (Eichhornia Crassipes (Mart.) Solms), referred as dried hyacinth root (DHR), by determining the effective size and pH at which it is capable of removing arsenite (As III) efficiently. At different size and pH, the experiment was conducted. Results from ICP-OES suggest that at 0.063mm, and at pH 6.2 to 8.2, DHR was more effective in mitigation of arsenic whereas at bigger size, that is, 4.1 mm, and at pH 2.2 and 4.2, DHR was not very effective. It is concluded that at finer size (0.063 mm), and at pH 6.2 to 8.2, DHR have more potential to remove arsenic from water.
References
- Gonzalez H, Lodenius M, Otero M.. Water hyacinth as indicator of heavy metals pollution in the Tropics, Bull. Environ. Contam. Toxicol., 43, 910-914 (1989)
- Mohanty K., Jha M., Meikap B.C. and Biswas M.N., Biosorption of Cr (VI) from aq. Sol. By water hyacinth, Chemical Engn. J.,117, 71-77 (2006)
- El-Khaiary M.I., Kinetics & mechanism of adsorption of methylene blue from aq. Sol. By nitric acid treated water hyacinth, J. of Haz. Mat., 147, 28-36 (2007)
- Centre TD. Biological control of weeds: water hyacinth & water lettuce, In: Rosen D, Benett FD, Capinera JL (eds.) Pest mgt. in the subtropics: Biological control, 481-521 (1994)
- Muramoto S, Ayama I & Oki Y. Effect of salinity on the concentration of some elements in water hyacinth at critical levels, J. of Envtl. Sci. & Health A, 26 (2), 205-215 (1991)
- Low K.S, Lee C.K., Removal of arsenic from soln. by water hyacinth, Bio. Technol., 13(1),129-131 (1990)
- Schneider IAH, Rubio J, Misra M, Smith RW. Eichhornia crassipes as biosorbent for heavy metal ions. Min. Eng., 979-988 (1995)
- Al-Ramalli SW, Harrington CF, Ayub M, Haris PI. A biomaterial based approaches for arsenic removal from water, J. Environt. Monit., 279-282 (2005)
- Harrington CF, Haris PI. The use of dried hyacinth roots to remove arsenic from surface water, Envtl. Chemistry Group Bulletin, Jan. 14-16, (2006)
- Govindaswamy Shekar, Schupp Donald, Rock Steven. Batch and Continuous Removal of Arsenic using Hyacinth Roots, Int. J. of Phytoremediation, 13 (6), 513-527 (2011)