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- W4243500243 abstract "This study was conducted to investigate the removal of COD, BOD, turbidity and colour from leachate using vertical upflow filtration technique. Limestone media with a density of 2554kg/m3 was crushed and graded in sizes of 4-8 mm, 8-12 mm and 12-18 mm. Trial runs were done before the main experiment at an interval of 24 h analysis. Leachate was between pH 7.94 to 8.12 before experiments but increased to pH 8.42 after the filtration process. Maximum headloss at steady flow rate 20mL/min was 0.5 cm. The optimum treatment was achieved with 4 – 8 mm, 8 – 12 mm & 12 – 18 mm media size in combination and removal efficiency was 22 to 81 %, 22 to 75 %, 32 to 86 %, and 36 to 62 % for BOD, COD, turbidity and colour respectively. Vertical upflow roughing filter can be used for pre-treatment of leachate before further treatment." @default.
- W4243500243 created "2022-05-12" @default.
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- W4243500243 date "2013-08-16" @default.
- W4243500243 modified "2023-10-13" @default.
- W4243500243 title "OPERATIONAL PERFORMANCE OF VERTICAL UPFLOW ROUGHING FILTER FOR PRE-TREATMENT OF LEACHATE USING LIMESTONE FILTER MEDIA" @default.
- W4243500243 doi "https://doi.org/10.4090/juee.2013.v7n1.117125" @default.
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