3 research outputs found
REMOVAL OF POLLUTANTS USING RADIAL AND VERTICAL FLOW REGIME REACTORS
<p>Batch
and continuous processes were conducted to study the adsorption of
methylene blue dye on to three adsorbent materials, commercial activated
carbon, chemically activated corncob carbon with phosphoric acid and
ion exchange resin (akualite). Batch processes were established to show
the effects of solution pH, contact time, adsorbent dosage, agitation
speed and initial dye concentration. Two isotherm models, Freundlich and
Langmuir fitted with the experimental data found from batch processes,
the Langmuir model fitted well than the Freundlich, with maximum
adsorption capacities of 16.21, 30.95 and 77.52 mg/g and R2 of 0.952,
0.992 and 0.995 predicted by commercial activated carbon, corncob
activated carbon akualite respectively. Series of column test for the
three adsorbent materials at different three flow rates (0.2, 0.3 and
0.4 L/min) and three initial dye concentrations (15, 30 and 50 mg/l),
the same volume of (775 ml) from adsorbent materials used for both
radial and vertical reactors to make a comparison between the capacity
of the adsorbent materials each with another and between the performance
of radial and vertical flow regime reactors configurations on
breakthrough curves behavior. Radial flow regime reactor showed good
results in comparison with vertical flow regime reactor. </p>
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