Thermochemical conversion of non-edible fruit waste for dye removal from wastewater

Antanasković, Anja; Lopičić, Zorica; Pehlivan, Erol; Adamović, Vladimir M.; Šoštarić, Tatjana; Milojković, Jelena; Milivojević, Milan

doi:10.1007/s13399-023-04083-2

Cited by 2 publications

(3 citation statements)

References 70 publications

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“…Also, the elimination of volatiles at higher temperatures leads to the formation of larger pores and the merging of micropores into mesopores [30]. These findings are in accordance with the study of Antanasković et al [31], who compared the SEM of native peach stone and its biochar and obtained that the pyrolysis promotes highly developed porous structure with large cracks and micro/mesoporous channels. EDX spectra of PmS and PmS-B, along with the detected composition, are presented in Figure S1.…”

Section: Sorbent Characterisationsupporting

confidence: 88%

“…To observe changes in surface functional groups that have occurred (after the process of pyrolysis and sorption of WSF), the samples were subjected to FTIR analysis, and the obtained spectra are presented in Figure 2. The FTIR spectrum of PmS showed characteristic absorption bands for lignocellulosic materials, as described in the author s previous studies [31][32][33]. However, after pyrolysis, the PmS-B spectrum has been significantly changed in comparison to the starting sample, as can be seen in Figure 2.…”

Section: Sorbent Characterisationsupporting

confidence: 65%

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Efficient Removal of Water Soluble Fraction of Diesel Oil by Biochar Sorption Supported by Microbiological Degradation

Lopičić,

Šoštarić,

Milojković

et al. 2024

Processes

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The contamination of the water bodies by diesel oil (DO) and its water-soluble fraction (WSF) represents one of the most challenging tasks in the management of polluted water streams. This paper contains data related to the synthesis and characteristics of the plum stone biochar material (PmS-B), which was made from waste plum stones (PmS), along with its possible application in the sorption of the WSF of DO from contaminated water. Techniques applied in sample characterisation and comparisons were: Elemental Organic Analysis (EOA), Scanning Electron Microscopy−Energy Dispersive X-ray Spectroscopy (SEM-EDX), Fourier Transform Infrared Spectroscopy (FTIR), pH (pHsus) and point of zero charge (pHpzc). In order to increase the overall efficiency of the removal process, sorption and bioremediation were subsequently combined. Firstly, PmS-B was used as a sorbent of WSF, and then the remaining solution was additionally treated with a specific consortium of microorganisms. After the first treatment phase, the initial concentration of diesel WSF was reduced by more than 90%, where most of the aromatic components of DO were removed by sorption. The sorption equilibrium results were best fitted by the Sips isotherm model, where the maximum sorption capacity was found to be 40.72 mg/g. The rest of the hydrocarbon components that remained in the solution were further subjected to the biodegradation process by a consortium of microorganisms. Microbial degradation lasted 19 days and reduced the total diesel WSF concentration to 0.46 mg/L. In order to confirm the non-toxicity of the water sample after this two-stage treatment, eco-toxicity tests based on a microbial biosensor (Aliivibrio fischeri) were applied, confirming the high efficiency of the proposed method.

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Section: Sorbent Characterisationsupporting

confidence: 88%

Section: Sorbent Characterisationsupporting

confidence: 65%

Efficient Removal of Water Soluble Fraction of Diesel Oil by Biochar Sorption Supported by Microbiological Degradation

Lopičić,

Šoštarić,

Milojković

et al. 2024

Processes

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“…Socioeconomic development has been positively impacted by industrial operations, such as the manufacture of paint, textiles, printing, petrochemicals, and cosmetics. However, a significant portion of the contamination of water bodies is caused by the discharge of wastewater enriched with organic compounds from various industrial activities. − Due to their hazardous properties and high volume, the wastewater generated during the textile production process has resulted in significant contamination . Dyes are highly toxic and colored and are the principal pollutant in the effluent from the textile industry .…”

Section: Introductionmentioning

confidence: 99%

Metal Oxide-Impregnated Biochar for Azo Dye Remediation as Revealed through Kinetics, Thermodynamics, and Response Surface Methodology

Aslam,

Batool,

Noreen

et al. 2024

ACS Omega

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This study reports for the first time the adsorption capacity of a novel adsorbent Croton bonplandianus Baill. biochar. Its adsorption capacity was further enhanced by loading magnetic composites on it, which makes it an efficient medium for the adsorption of dyes. Two azo dyes, Basic Brown 1 (BB 1 ) and Basic Orange 2 (BO 2 ), were studied for their effective adsorption from aqueous media. A comprehensive characterization was performed by using scanning electron microscopy (SEM) and Fourier transform infrared spectroscopy (FTIR) to study the properties of Fe 2 O 3 -loaded C. bonplandianus Baill. biochar (FO-CBPBB). A series of batch experiments were conducted to optimize various parameters (pH, contact time, adsorbent amount, initial BB 1 and BO 2 concentrations, and temperature) for the maximum adsorption of BB 1 and BO 2 on the FO-CBPBB adsorbent. The percentage of BB 1 and BO 2 dyes that adsorb to FO-CBPBB under the best experimental circumstances (pH of solution 7, contact time 80 min, temperature of solution 40 °C, initial BB 1 and BO 2 dye concentrations 80 mg L −1 , and adsorbent dose 1 g L −1 ) was 93 and 95%, respectively. The best adsorption of BB 1 and BO 2 was accomplished by optimizing the effects of several factors, including the starting dye concentration, contact time, and temperature, based on the central composite design. The Freundlich and Langmuir isotherm models were used to examine the equilibrium data. The Langmuir isotherm with the greatest adsorption capacity and R 2 value effectively captured the experimental results. When kinetic parameters were investigated, it was found that pseudo-second-order was appropriate, reflecting the fact that the dye−adsorbent interaction was the rate-controlling factor in this study. The sorption process was endothermic and spontaneous, as shown by the thermodynamic variables. Based on the interaction between the adsorbent and azo dyes, it was concluded that the adsorption process was electrostatic in nature. Adsorbents that have been synthesized can effectively remove azo dyes from wastewater. Excellent regeneration efficiency was exhibited by FO-CBPBB, which makes it an ecofriendly and cost-effective alternative to other costly techniques applied for water purification.

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Thermochemical conversion of non-edible fruit waste for dye removal from wastewater

Cited by 2 publications

References 70 publications

Efficient Removal of Water Soluble Fraction of Diesel Oil by Biochar Sorption Supported by Microbiological Degradation

Efficient Removal of Water Soluble Fraction of Diesel Oil by Biochar Sorption Supported by Microbiological Degradation

Metal Oxide-Impregnated Biochar for Azo Dye Remediation as Revealed through Kinetics, Thermodynamics, and Response Surface Methodology

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