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Sustainable production of an iron-eggshell nanocomposite and investigating its catalytic potential for phenol removal

Mohammed Noor A., Saeed Liqaa I., Mhemid Rasha Khalid Sabri

Ecological Chemistry and Engineering. S

2023

Vol. 30, nr 3

387--403

The research conducted here will hopefully lead to the creation of a practical, inexpensive method for purging aqueous solutions of contaminating phenolic chemicals. A biosorbent system comprised of eggshells and iron was studied for its potential to effectively detoxify phenol. Both the eggshell and the iron systems were used in the preparation of the adsorbents in order to achieve the desired result of having the properties of both systems. Scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FTIR), and X-ray diffraction (XRD) were used for characterisation. Batch tests were conducted to evaluate the adsorption capacity of eggshells and iron under the influence of different operating parameters (shaking speed, pH, initial phenol content, and contact time). In the design-expert modelling, the optimisation conditions were found to be a pollutant concentration = 30.0 mg . L–1, pH of 3.00, adsorbent dose = 0.11 mg . L–1, shaking speed = 150 rpm, and time = 120 min for an phenol reduction rate of 94.4 % which it was extremely near to the experimentally value (96.6 %). The CCD modelling that was performed in the RSM verified the findings that were predicted. On the basis of laboratory results, the prediction proved accurate.

Zastosowanie modyfikacji odczynnika Fentona do oczyszczania ścieków barwnych i fenolowych

Barbusiński K., Pieczykolan B.

Gaz, Woda i Technika Sanitarna

2007

Nr 4

17-20

Evidence of high efficiency (99%) of modified Fenton's reagent in sewage containing nitrogen dyes and phenol sewage. Use of steei chips as an alternative source of iron ions. Additional advantage of the presented sewage treatment method - possibility of column filling regeneration.

Zintegrowany proces biodegradacji ścieków fenolowych

Noworyta A., Trusek-Hołownia A., Mielczarski S., Kubasiewicz-Ponitka M.

Inżynieria i Aparatura Chemiczna

2005

Nr 4s

66-67

An integrated process of pollutants removal from industrial wastewaters was proposed. The process consists of the zone reducing particular pollutant and the zone of pollutant' biodegradation. Both zones are interconnected by pollutant stream received from wastewaters during pervaporation. Very good results of wastewater treatment for phenol under different options of pervaporation conditions were received and full phenol biodegradation was shown.