Bioremediation of Crystal Violet by Organic Matter and Assessment of Antimicrobial Properties of the Obtained Product

Jarosław Chwastowski (), Paweł Staroń, Ewa Pięta and Czesława Paluszkiewicz
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Jarosław Chwastowski: Department of Engineering and Chemical Technology, Cracow University of Technology, 24 Warszawska St., 31-155 Cracow, Poland
Paweł Staroń: Department of Engineering and Chemical Technology, Cracow University of Technology, 24 Warszawska St., 31-155 Cracow, Poland
Ewa Pięta: Department of Experimental Physics of Complex Systems, Institute of Nuclear Physics, Polish Academy of Sciences, 152 Radzikowskiego St., 31-342 Cracow, Poland
Czesława Paluszkiewicz: Department of Experimental Physics of Complex Systems, Institute of Nuclear Physics, Polish Academy of Sciences, 152 Radzikowskiego St., 31-342 Cracow, Poland

Sustainability, 2022, vol. 15, issue 1, 1-13

Abstract: The study investigated the waste beet pulp shreds for the use as a sorbent for removing crystal violet dye from aqueous solutions and investigating the antimicrobial properties of the obtained material. During the preparation of the BPSCV (beet pulp shreds with adsorbed crystal violet) material, the equilibrium and kinetic studies of the crystal violet dye (CV) sorption process on BPS were carried out. The equilibrium tests allowed for the selection of the best-fitted isotherm model and the determination of the sorption capacity of the material. It turned out that the Langmuir isotherm model had the best fit (R 2 > 0.98) and the sorption capacity equaled 28.07 mg/g. The pseudo-second-order model R 2 > 0.999 (obtained from kinetic studies) and FT-IR analysis confirmed that the sorption process of the CV on BPS is chemical. The minimal growth inhibition antimicrobial tests showed that the obtained material inhibits the growth of chosen microorganisms. Escherichia coli (MIC = 500 ppm) and Pseudomonas aeruginosa (MIC = 300 ppm) are more resistant to BPSCV than Candida albicans and Staphylococcus aureus (MIC = 100 ppm).

Keywords: adsorption; antimicrobial properties; kinetics; crystal violet dye (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2022
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