AI Article Synopsis
- The study evaluated how effective dried microalgae are in removing arsenic from water, analyzing various factors like pH, concentration, and contact time.
- The optimal conditions for arsenic removal were found to be at pH 4 with a 60-minute contact time, achieving a removal rate of 95.2%.
- Various analytical methods (FTIR, XRD, SEM-EDX, DLS, ZP) were used to confirm the biosorption process, along with studies on kinetics, isotherm equilibrium, and thermodynamics to understand the biosorption capacity better.
Article Abstract
The present study aimed to descry the effectiveness of dried microalga sp. for disposing of arsenic from aqueous solution. The study included examining the impact of some factors on algae's adsorption capacity (optimization study), such as initial concentrations of heavy metal, biosorbent doses, pH and contact time. All trials have been performed at constant temperature 25 °C and shaking speed of 300 rpm. The optimization studying indicated the pH 4, contact time at 60 min, temperature 25 °C and biomass concentration of 0.6 g/l were the best optimum conditions for the bioremediation activity with maximum removal percentage 95.2% and biosorption capacity 53.8 mg/g. Attesting of biosorption by applying FTIR (Fourier transfigure infrared), XRD (X-ray diffraction), SEM-EDX (Scanning Electron Microscope - Energy Dispersive X-ray), DLS (Dynamic light scarring) and ZP (Zeta Potential) was conducted. Also, Kinetics, isotherm equilibrium and thermodynamics were carried out to explain the plausible maximum biosorption capacity and biosorption rate of biosorbent q maximum.
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Source |
|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9800544 | PMC |
| http://dx.doi.org/10.1016/j.heliyon.2022.e12398 | DOI Listing |
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