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- W1498009489 abstract "Lake Naivasha, Kenya, is a fresh water lake currently experiencing severe environmental problems as result of pollution from agricultural effluents and urban water surface runoff, uncontrolled water abstraction, improper land use practices in the catchment area and proliferation of wetlands' invasive species. These problems are exacerbated and compounded by changes in climate and inadequate conservation interventions. To deal with the pollution problem, flower farms around the lake have adopted constructed wetland technologies to treat their wastes prior to release into the lake's ecosystem. In this study, we examined the efficiency of one of the largest and oldest constructed wetland, the Kingfisher constructed wetland, owned by Home Grown Ltd. The study was conducted between October 2009 and March 2010. Measurements of water quality parameters were carried out at 9 sampling stations along the constructed wetland system from inlet to outlet. The results showed that water quality significantly improved from inlet to the outlet, with conductivity declining from 722 μScm -1 to 514 μScm -1 while TDS declined from 569 to 186 mgl -1 . Other water quality parameters such as total suspended solids (TSS), BOD, COD, total nitrogen and total phosphorous similarly declined significantly (P< 0.05) from inlet to outlet. Heavy metals generally occurred in low concentrations at the inlet, but still declined in their concentrations though not significantly. Results show that constructed wetlands are highly efficient in wastewater effluent treatment and can be used in amelioration of point sources of pollution into inland water bodies." @default.
- W1498009489 created "2016-06-24" @default.
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- W1498009489 date "2012-01-20" @default.
- W1498009489 modified "2023-09-26" @default.
- W1498009489 title "Treatment of flower farm wastewater effluents using constructed wetlands in lake Naivasha, Kenya" @default.
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- W1498009489 doi "https://doi.org/10.17485/ijst/2012/v5i1.8" @default.
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