Effect of Bed height on Chromium (III) and Manganese (IV) Fixed-bed Column Adsorption from Crude Oil Contaminated Water from Okuru River in Ogali, Eleme, Rivers State, Nigeria

Lawrence, Mathias Onyi and Ogori, Boniface (2024) Effect of Bed height on Chromium (III) and Manganese (IV) Fixed-bed Column Adsorption from Crude Oil Contaminated Water from Okuru River in Ogali, Eleme, Rivers State, Nigeria. International Journal of Environment and Pollution Research, 12 (14). pp. 49-74. ISSN 2056-7537(print), 2056-7545(online)

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Abstract

The removal of Cr (III) and Mn (IV) fixed-bed column adsorption from crude oil contaminated water was evaluated using atomic absorption spectrophotometer (AAS). Activated carbon prepared from sorghum (bicolor) chaff was used to adsorb Cr (III) and Mn (IV). The evaluated physicochemical properties of the activated carbon were pH (6.30),bulk density (0.33 g/cm3 ), moisture content (4.40%), Iodine Adsorption Ratio (0.28 mol/g), porosity (13.00), attrition factor (11.00%), and surface area (797.4 m2/g). Optimum percentage adsorption and equilibrium adsorption capacity for the effect of pH, inlet flow rate, bed height, inlet concentration and particle size gave, (89.796, 90.116, 93.046) % and (2.245, 2.253, 2.326) mg/g, (74.720, 84.990, 91.346) % and (2.277, 2.275, 2.284) mg/g, (88.192, 89.994, 90.190) % and (2.205, 2.249, 2.255) mg/g, (88.934, 90.002, 90.634) % and (2.223, 2.250, 1.266) mg/g, (91.346, 89.964, 88.936) % and (2.284, 2.249, 2.223) mg/g for Cr (III) and (84.630, 87.830, 82.507) % and (1.269, 1.317, 1.238) mg/g, (47.770, 74.425,83.790) % and (0.239, 0.744, 1.257) mg/g, (85.590, 84.023, 83.167) % and (1.284, 1.260, 1.248) mg/g, (82.473, 83.790, 85.230 ) % and (1.237, 1.257, 1.278) mg/g, (88.497, 87.220, 84.420) % and (1.327, 1.308, 1.266) mg/g for Mn (1V) respectively. The results therefore, shows that percentage adsorption increases with the effects mentioned and the kinetic data fitted well to the model for the effect of bed height.

Item Type:	Article
Subjects:	G Geography. Anthropology. Recreation > GE Environmental Sciences
Depositing User:	Dr Sunday C. Eze
Date Deposited:	27 Dec 2023 20:31
Last Modified:	27 Dec 2023 20:31
URI:	https://tudr.org/id/eprint/2482

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Effect of Bed height on Chromium (III) and Manganese (IV) Fixed-bed Column Adsorption from Crude Oil Contaminated Water from Okuru River in Ogali, Eleme, Rivers State, Nigeria. (deposited 22 Dec 2023 15:01)
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