8 research outputs found
Kinetic models fitted with the data of adsorption conducted under the optimized conditions (i.e., 0.2 g of biomass, 1000 mg L<sup>−1</sup> of initial oil concentration, 35°C, 100 rpm of agitation speed, and 7.5 of initial pH) in a period of 90 s.
<p>The bars represent the standard errors.</p
Fitting results of the kinetic and isotherm models to adsorption data of emulsified oil by <i>A. polytricha</i>.
<p>Fitting results of the kinetic and isotherm models to adsorption data of emulsified oil by <i>A. polytricha</i>.</p
Comparison of oil adsorption capacities of <i>A. polytricha</i> and some sorbents in the literature.
<p>Comparison of oil adsorption capacities of <i>A. polytricha</i> and some sorbents in the literature.</p
Scanning electron micrographs of <i>A. polytricha</i> lower surface (A) before oil adsorption, (B) after oil adsorption, and (C) after thermal volatilization desorption; and upper suface (D) before oil adsorption, (E) after oil adsorption, and (F) after thermal volatilization desorption.
<p>Scanning electron micrographs of <i>A. polytricha</i> lower surface (A) before oil adsorption, (B) after oil adsorption, and (C) after thermal volatilization desorption; and upper suface (D) before oil adsorption, (E) after oil adsorption, and (F) after thermal volatilization desorption.</p
Isotherm models fitted with the data of adsorption of emulsified oil onto <i>A. polytricha</i> from a batch experiment conducted with different initial oil concentrations ranging from 200 to 3500 mg L<sup>−1</sup> and other conditions: 0.2 g of biomass, 35°C, 100 rpm of agitation speed, and 7.5 of initial pH.
<p>The bars represent the standard errors.</p
The L<sub>16</sub>(4<sup>5</sup>) orthogonal array for the experimental design.
a<p>Temp., Init. Conc., Agita. Speed, and Adsorp. Capacity denote the adsoption temperature, initial concentrations of emulsified oil, speed of agitation, and the adsoption capacity under the designed conditions, respectively.</p
Results from the L<sub>16</sub> (4<sup>5</sup>) orthogonal array experiments.
a<p>Init. Conc. and Agita. Speed denote the initial concentrations of emulsified oil and the speed of agitation, respectively.</p>b<p><i>E<sub>i</sub></i> (<i>i</i> = 1, 2, 3, 4) denotes the effectiveness (mg g<sup>−1</sup>) of the variables at the <i>i</i>th level.</p