Water that contains high amounts of Mg and Ca metals is hard water. The presence
of these metal ions in water prevents the water from lather formation with soap.
This leads to the consumption of large amounts of soaps which cause loss of economy.
In light of the problem, this study is conducted to investigate the capability of
cactus powder to remove Mg and Ca metals from hard water using FAAS. The result
revealed that the concentration of both Mg and Ca metals decreased as the dose of
cactus powder increased. The concentration of Mg was 5.965 ppm in the absent of
cactus powder, but it was 6.700 ppm at 0.5 g, 2.967 ppm at 1.5 g, 1.833 ppm at 2.5
g, 2.200 ppm at 3.5 g and 1.900 ppm at 4.5 g of cactus powder. In parallel way,
the concentration of Ca was 4.967 ppm in the absent of cactus powder, but it decreased
as 3.067 ppm at 0.5 g, 1.667 ppm at 1.5 g, 0.933 ppm at 2.5 g, 0.967 ppm at 3.5
g and 1.033 ppm at 4.5 g with cactus powder. The percentage removal of both Mg and
Ca metals from hard water increased as the dose of cactus powder increased. The
percentage removal efficiency of cactus powder increased from 0.00% to 68.2% for
Mg metal, and from 0.00% to 79.2% for Ca metal as the dose of cactus powder increased
from 0.0 g to 4.5g, respectively. The percentage
removal of Ca metal increased with contact time as 27.89% at 1 hr, 38.69%
at 2 hr, 53.27% at 3 hr, 71.11% at 4 hr and 71.53% at 5 hr. In the same way, the
percentage removal of Mg metal increased with contact time as 16.00% at 1 hr, 32.84%
at 2 hr, 48.00% at 3 hr, 61.00% at 4 hr and 57.00% at 5 hr. Thus, cactus powder
has the capability to remove Ca and Mg metal ions from hard water due to the accessibility
of its active sites.
Cite this paper
Derbe, T. , Dargo, H. and Batu, W. (2015). Investigation of Ca and Mg Removal Capability of Cactus Powder from Hard Water. Open Access Library Journal, 2, e1905. doi: http://dx.doi.org/10.4236/oalib.1101905.
Kumar, S.M., Gupta,
O.P., Singh, D.K. and Prasad,
A.S. (2014) Comparative
Physico-Chemical Analysis of River Water and Underground Water in Winter Season of Rewa City, MP,
India. International Journal of Environmental
Science, 3, 59-61.
Issa, J. and Babiker, O.A. (2013) Determination of Some Inorganic Constituents
of Drinking Water in Zalingei Town Central Darfur State, Sudan. Journal
of Science and Technology, 3, 1208-1214.
Manjare, S.A., Vhanalakar,
S.A. and Muley, D.V. (2010) Analysis of Water Quality Using Physico-Chemical Parameters
Tamdalge Tank in Kolhapur District, Maharashtra. International Journal of Advanced
Biotechnology and Research, 1, 115-119.
Napacho, V. and Manyele, S.V. (2010) Quality Assessment
of Drinking Water in Temeke District (Part II): Characterization of Chemical
Parameters. African Journal of Environmental Science and Technology, 4, 775-789.
Gyamfi, E.T., Ackah, M., Anim, A.K., Hanson J.K., Kpattah, L.
and Enti-Brown, S. (2012) Chemical Analysis of
Potable Water Samples from Selected Suburbs of Accra, Ghana. Proceedings of the International
Academy of Ecology and Environmental Sciences, 2,118-127.
Zuthi, M.F.R., Biswas, M.
and Bahar, M.N. (2009) Assessment of Supply Water Quality in the Chittagong
City of Bangladesh. Journal of Engineering and
Applied Science, 4, 73-80.
Derbe,
T. and Yilma, B. (2015) Spectroscopic Investigation of Metal Level in Aloe Vera
Plant, and the Soil Where the Aloe Vera Grows: Arba Minch, Southern Ethiopia. ModernChemistry,3, 1-8. http://dx.doi.org/10.11648/j.mc.20150301.11
Fox, I.D.
(2011) Cactus Mucilage-Assisted Heavy Metal Separation: Design and Implementation. Graduate School
Theses and Dissertations, University of
South Florida, Tampa, 1-149.
Derbe,
T., Dargo, H. and Batu, W. (2015) Cactus Potential in Heavy Metal (Pb and Cd) Removal in Water Sample Collected from Rural Area around Adigrat
Town. Chemistry and Materials Research, 7, 84-92.