|
International Journal of Environment Science and Technology
Center for Environment and Energy Research and Studies (CEERS)
ISSN: 1735-1472 EISSN: 1735-1472
Vol. 13, No. 3, 2016, pp. 843-848
|
Bioline Code: st16080
Full paper language: English
Document type: Short Communication
Document available free of charge
|
|
International Journal of Environment Science and Technology, Vol. 13, No. 3, 2016, pp. 843-848
en |
Removal of arsenic from contaminated water utilizing tea waste
Hossain, I.; Anjum, N. & Tasnim, T.
Abstract
Activated carbon is the adsorbent commonly
used to remove arsenic from contaminated water. However,
the problem is that it is not always available everywhere
and considered expensive in developing countries.
An inexpensive alternative to activated carbon can therefore
aid the adequate treatment of contaminated water. Tea
waste, water hyacinth and banana peel are investigated
extensively in this study as the inexpensive alternative. Tea
waste treated with a right proportion of aqueous FeCl3
reagent is found to have substantially higher arsenic
removing capacity (which is quantified by arsenic concentrations
measured employing Double Beam Atomic
Absorption Spectrophotometer) than the other two. The
comparison made subsequently between tea waste and
activated carbon reveals the feasibility of the utilization of
tea waste. The arsenic removing capacity of tea waste
treated with the right proportion of aqueous FeCl3 reagent
is found to be equal to that of the activated carbon treated
with the same reagent over the continuous operative time
of 2 h. The tea waste treated rightly with the same reagent
also removes arsenic at acceptable capacities over extended
operative times such as 4–6 h. It is therefore proposed to
consider tea waste as the inexpensive alternative to activated
carbon in treating arsenic contaminated water.
Keywords
Tea waste; Arsenic; Water; Activated carbon; Adsorption; Water treatment
|
|
© Copyright 2016 - International Journal of Environment Science and Technology Alternative site location: http://www.ijest.org
|
|