Estimation of fecal Coliform removal from domestic sewage in two sand filter column systems

Kim, Dong‐Hee; Gautam, Mridul; Sack, W A; Gera, Dinesh

doi:10.1080/02772249909358812

Cited by 2 publications

(2 citation statements)

References 5 publications

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“…The pH ranges between 7.9 and 8.5 for the effluents for the 100-cm column and between 8.0 and 8.4 for the 50-cm column. The pH slightly increased on average by 0.3 in the column of 100 cm height due to biological activity and gas exchange as reported by Kim et al [18]. The range of pH values indicates that the system can operate optimally for biological activities.…”

Section: Resultssupporting

confidence: 68%

Depth and performance evaluation of a laboratory scale sand filtration system for wastewater treatment

Sodamade¹,

Longe²,

Sangodoyin³

2014

Turkish J Eng Env Sci

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98.7% and 99.8%, and 92% and 90%, respectively, while PO 4 -P removal was about 45% in both columns. Unlike other parameters, NO 3 -N was increasing, which signifies that denitrification did not take place in the filter columns. Based on the results, the filter column of 50 cm is economically preferable due to the insignificant difference when compared with the 100-cm filter column. The bacteria removal was slightly higher in 100 cm depth (99.88%) than in 50 cm depth (99.68%).

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Section: Resultssupporting

confidence: 68%

Depth and performance evaluation of a laboratory scale sand filtration system for wastewater treatment

Sodamade¹,

Longe²,

Sangodoyin³

2014

Turkish J Eng Env Sci

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show abstract

“…The average pH of the influents was 7.0 while that of effluents from the sand and gPKS filters were 7.1 and 6.7 respectively. The slight increase in pH in the sand filter column was due to biological activity and gas exchange as reported by Kim et al [13] on one hand but that of slight decrease of the gPKS effluent may be due to the effect of traces of palm oil from the gPKS which contains higher proportion of saturated fatty acids [14] - [15], this could be responsible for the lower pH value of the effluent from the gPKS filter medium. Generally, the system pH values indicate that the system operated optimally for biological activities.…”

Section: Resultsmentioning

confidence: 78%

Performance evaluation of two filter materials in intermittent sand filtration system

Sodamade

Longe

Odum

2019

Environmental Research and Technology

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The environment is a treasure that needs to be protected from point and diffuse sources of pollution. Most wastewater treatment plants cannot attain 100% efficiencies and this call for tertiary treatment process before discharging final treated wastewater into the environment. The study focused on harnessing the locally available materials, sand and granulated Palm Kernel Shell (gPKS) as filters for treatment of wastewater from constructed wetland using intermittent filtration system in the laboratory. The filter depth and hydraulic loading rate was 650 mm and 0.135 L min -1 , respectively. Applied wastewater was effluent from the Constructed Wetland (CW) of wastewater treatment plant University of Lagos. The filtration system was dosed intermittently 6 hourly for 12 weeks. Experimental results showed that pH of the effluent from gPKS filter medium was slightly reduced to the influent due to acidic nature of the gPKS while effluent from sand filter slightly increased. The five day biochemical oxygen demand (BOD5) removal efficiency for the gPKS and sand filters were 59.2 and 69.08% respectively, while the corresponding average Dissolve Oxygen (DO) were 2.9 ± 0.6 mg L -1 and 3.4 ± 0.345. The percentage removal of E. coli in sand and gPKS filters are 69.34% and 87.49% respectively.

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Estimation of fecal Coliform removal from domestic sewage in two sand filter column systems

Cited by 2 publications

References 5 publications

Depth and performance evaluation of a laboratory scale sand filtration system for wastewater treatment

Depth and performance evaluation of a laboratory scale sand filtration system for wastewater treatment

Performance evaluation of two filter materials in intermittent sand filtration system

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