Assessment of Selected Physico-Chemical Parameters of Waste Water from a Gold Mine in Alupe Sub-County, Busia County, Kenya
Keywords:
Gold Mine, Mining, Heavy Metals, PollutionAbstract
The rise in cost of living and unemployment in the Sub – Saharan Africa has witnessed the rise of both small scale and large-scale mining activities; putting more economic pressure on families to increase their daily income. This economic hardship has led to the search for precious metals like gold and gemstones, resulting in environment degradation as mining involves digging deep into the Earth’s crust in search of these minerals. This study sought to investigate the physico-chemical characteristics of wastewater from the Alupe gold mine in Busia County, Kenya. The five physical parameters investigated include: temperature, electrical conductivity, pH, turbidity and total dissolved solids. The heavy metals under investigation were: Cr, Cd, Pb, Cu, Fe, Co, Zn and Ni. Among the physical parameters, only pH and turbidity recorded values beyond the WHO permissible levels, while all heavy metals recorded values that were beyond the WHO permissible levels. Strong correlation was registered by EC – temperature, TDS – temperature, TDS – EC and TDS – turbidity. Vast majority of metal pairs recorded strong correlation (r ˃ 0.7) indicating the presence of alloys and metal pair complexes. The correlational studies were conducted at 95% level of confidence (P ˂ 0.05). The study recommends treatment of industrial wastes before they are released into rivers and lakes, use of improved processing technologies by industries to regulate the ever-high levels of waste generated during manufacturing and policy review that will see the implementation of environmental laws so as to curb illegal mining.
References
Abdul-Wahab, S. A., & Marikar, F. A. (2012). The environmental impact of gold mines: Pollution by heavy metals. Central European Journal of Engineering, 2(2), 304–313. https://doi.org/10.2478/s13531-011-0052-3
Abendrot, M., & Kalinowska-Lis, U. (2018). Zinc-containing compounds for personal care applications. International Journal of Cosmetic Science, 40(4), 319–327. https://doi.org/10.1111/ics.12463
Agoro, M. A., Adeniji, A. O., Adefisoye, M. A., & Okoh, O. O. (2020). Heavy Metals in Wastewater and Sewage Sludge from Selected Municipal Treatment Plants in Eastern Cape Province, South Africa. Water, 12(10), Article 10. https://doi.org/10.3390/w12102746
Akan, J. C. (2010). Physical and Chemical Parameters in Abattoir Wastewater Sample, Maiduguri Metropolis, Nigeria. . . Number, 11(1), 640–648.
Bello, S., Nasiru, R., Garba, N. N., & Adeyemo, D. J. (2019). Carcinogenic and non-carcinogenic health risk assessment of heavy metals exposure from Shanono and Bagwai artisanal gold mines, Kano state, Nigeria. Scientific African, 6, e00197. https://doi.org/10.1016/j.sciaf.2019.e00197
Das, K. K., Das, S. N., & Dhundasi, S. A. (2008). Nickel, its adverse health effects & oxidative stress. Indian Journal of Medical Research, 128(4), 412.
Dayan, A. D., & Paine, A. J. (2001). Mechanisms of chromium toxicity, carcinogenicity and allergenicity: Review of the literature from 1985 to 2000. Human & Experimental Toxicology, 20(9), 439–451. https://doi.org/10.1191/096032701682693062
Dojlido, J., & Best, G. A. (1993). Chemistry of water and water pollution. Ellis Horwood Limited.
Dzoro, M., Mashapa, C., & Gandiwa, E. (2023). Impact of artisanal gold mining on woody vegetation in Chewore South Safari Area, northern Zimbabwe. Trees, Forests and People, 11, 100375. https://doi.org/10.1016/j.tfp.2023.100375
Eaton, A. D., & Franson, M. A. H. (Eds.). (2017). Standard Methods for the Examination of Water and Wastewater. American Public Health Association.
Fagbenro, A. A., Yinusa, T. S., Ajekiigbe, K. M., Oke, A. O., & Obiajunwa, E. I. (2021). Assessment of heavy metal pollution in soil samples from a gold mining area in Osun State, Nigeria using proton-induced X-ray emission. Scientific African, 14, e01047. https://doi.org/10.1016/j.sciaf.2021.e01047
Fashola, M. O., Ngole-Jeme, V. M., & Babalola, O. O. (2016). Heavy Metal Pollution from Gold Mines: Environmental Effects and Bacterial Strategies for Resistance. International Journal of Environmental Research and Public Health, 13(11), Article 11. https://doi.org/10.3390/ijerph13111047
Gafur, N. A., Sakakibara, M., Sano, S., & Sera, K. (2018). A Case Study of Heavy Metal Pollution in Water of Bone River by Artisanal Small-Scale Gold Mine Activities in Eastern Part of Gorontalo, Indonesia. Water, 10(11), Article 11. https://doi.org/10.3390/w10111507
Ilhan, S., & Nurba, M. (2004). Removal of chromium, lead and copper ions from industrial waste waters by Staphylococcus saprophyticus. Turkish Electronic Journal of Biotechnology, 2(9), 50–57.
Jazib, J. (2019). Basics of Environmental Sciences. Ira Publications, Jammu, India.
Johanson, P. (2008). Cobalt. Rosen Central.
Ma, J., Wu, S., Shekhar, N. V. R., Biswas, S., & Sahu, A. K. (2020). Determination of Physicochemical Parameters and Levels of Heavy Metals in Food Waste Water with Environmental Effects. Bioinorganic Chemistry and Applications, 2020(1), 8886093. https://doi.org/10.1155/2020/8886093
Miller, J. N., Miller, J. C., & Miller, R. D. (2018). Statistics and Chemometrics for Analytical Chemistry (7th New edition). Pearson Education.
Namwalo, A. (2023). MP calls for protection of Alupe from illegal gold mining. Kenya News Agency. Retrieved from https://www.kenyanews.go.ke/mp-calls-for-cs-prof-kidiki-to-protect-alupe-from-illegal-gold-mining/
Odumo, B. O., Nanos, N., Carbonell, G., Torrijos, M., Patel, J. P., & Rodríguez Martín, J. A. (2018). Artisanal gold-mining in a rural environment: Land degradation in Kenya. Land Degradation & Development, 29(10), 3285–3293. https://doi.org/10.1002/ldr.3078
Ondoo, K. O., Kiptoo, J. K., Onditi, A. O., Shivaji, S. M., Omondi, B. E., & Ogilo, J. K. (2019). Determination of Selected Water Quality Parameters in River Sio, Busia County, Kenya. International Research Journal of Pure & Applied Chemistry, 18(3), 1–16.
Provin, T. L., & Pitt, J. L. (2002). Description of Water Analysis Parameters. Texas A&M Agrilife Extension. Retrieved from https://oaktrust.library.tamu.edu/server/api/core/bitstreams/ce408326-9550-4e03-a299-97d4b1763023/content
Saksena, D. N., Garg, R. K., & Rao, R. J. (2008). Water quality and pollution status of Chambal River in National Chambal sanctuary, Madhya Pradesh. Journal of Environmental Biology, 29(5), 701–710.
Schwartz, M., Smits, K., & Phelan, T. (2023). Quantifying mercury use in artisanal and small-scale gold mining for the Minamata Convention on Mercury’s national action plans: Approaches and policy implications. Environmental Science & Policy, 141, 1–10. https://doi.org/10.1016/j.envsci.2022.12.002
Turek, A., Wieczorek, K., & Wolf, W. M. (2019). Digestion Procedure and Determination of Heavy Metals in Sewage Sludge—An Analytical Problem. Sustainability, 11(6), Article 6. https://doi.org/10.3390/su11061753
Tytła, M. (2019). Assessment of Heavy Metal Pollution and Potential Ecological Risk in Sewage Sludge from Municipal Wastewater Treatment Plant Located in the Most Industrialized Region in Poland—Case Study. International Journal of Environmental Research and Public Health, 16(13), Article 13. https://doi.org/10.3390/ijerph16132430
Wang, L. K., Wang, M.-H. S., Shammas, N. K., & Hahn, H. H. (2021). Physicochemical Treatment Consisting of Chemical Coagulation, Precipitation, Sedimentation, and Flotation. In L. K. Wang, M.-H. S. Wang, & Y.-T. Hung (Eds.), Integrated Natural Resources Research (pp. 265–397). Springer International Publishing. https://doi.org/10.1007/978-3-030-61002-9_6
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