Application of Mineral Sorbents for Removal of Petroleum Substances: A Review

Bandura, Lidia; Woszuk, Agnieszka; Kołodyńska, Dorota; Franus, Wojciech

doi:10.3390/min7030037

Cited by 111 publications

(56 citation statements)

References 87 publications

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“…The silica precursor, diatomaceous earth, has been used in the raw and calcined form to adsorb different groups of oil such as benzene, toluene, ethylbenzenes, p-xylenes and o-xylenes, with adsorption capacities of 0.05–0.8 mg/g [ 29 ].…”

Section: Introductionmentioning

confidence: 99%

Response Surface Optimization of Oil Removal Using Synthesized Polypyrrole-Silica Polymer Composite

et al. 2020

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The severity of oil pollution, brought about by improper management, increases daily with an increase in the exploration and usage of oil, especially with an increase in industrialization. Conventional oil treatment methods are either expensive or time consuming, hence the need for new technologies. The aim of this research is to synthesize polypyrrole-modified silica for the treatment of oily wastewater. Pyrrole was copolymerized with silica in the presence of ferric chloride hexahydrate by adding 23 mL of 117.4 g/dm3 ferric chloride hexahydrate drop wise to a silica-pyrrole mixture (1:2.3). The mixture was stirred for 24 h, filtered and dried at 60 °C for 24 h. The composite was then characterized using FTIR and SEM/EDX. A central composite model was developed in design expert software to describe the efficiency of oil removal using the polypyrrole-modified silica under the influence of initial oil concentration, adsorbent dosage and contact time. The synthesized adsorbent had FTIR bands at 3000–3500 cm−1 (due to the N-H), 1034 cm−1 (attributed to the Si-O of silica), 1607 cm−1 and 1615 cm−1 (due to the stretching vibration of C=C of pyrrole ring). The adsorption capacity values predicted by the central composite model were in good agreement with the actual experimental values, indicating that the model can be used to optimize the removal of oil from oily wastewater in the presence of polypyrrole-modified silica. The adsorbent showed excellent oil uptake when compared with similar materials. The optimum conditions for oil removal were 7091 mg/L oil concentration, 0.004 g adsorbent dosage and contact time of 16 h. Under these conditions, the percentage of oil adsorption was 99.3% and adsorption capacity was 8451 mg/g. As a result of the low optimum dosage and the lack of agitation, the material was found to be applicable in the remediation of field wastewater.

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Section: Introductionmentioning

confidence: 99%

Response Surface Optimization of Oil Removal Using Synthesized Polypyrrole-Silica Polymer Composite

et al. 2020

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“…The characteristics of the tested sorbents are presented in Table 1. CDE, PC, EP type sorbents are very popular sorbents commonly used by rescue entities in Europe [47,48]. The maximal sorptivity test was carried out using the Westinghouse method.…”

Section: Methodsmentioning

confidence: 99%

Restrictions on the Use of Specimens Based on Magnesium and Titanium Nanocrystalline Oxides in Incidents Involving Uncontrolled Release of Hazardous Substances

2019

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Undertaking effective and prompt action during chemical events is an important measure in preventing the spread of contamination. Studies have shown that despite very high surface activity of nanocrystalline metal oxides, their use does not reduce the fire hazard for hydrocarbon spills and alcohols more effectively than commonly used sorbents during fire rescue operations. Other limitations of specimens containing nanocrystalline oxides have also been proven, such as the maximum absorption similar to commonly used specimens, as well as high costs of conducting the acid neutralization process without increasing the level of safety of operations. Results obtained allowed the determination of proposed principles of effective and economically appropriate application of nanocrystalline metal oxides in rescue units.

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“…Research conducted by scientists around the world on the sorption properties of organo-minerals has proved that zeolites may be an appropriate substance to aid in the sorption of organic compounds (Zhao, Vance 1998;Meininghaus, Prins 2000;Lee, Tiwari 2012;Xie et al 2013;Szala et al 2015;Muir et al 2016a;Bandura et al 2017a). Zeolites are environmentally and economically viable hydrated aluminosilicate materials with exceptional ion-exchange and sorption properties (Margeta et al 2013).…”

Section: Fig 1 Contamination Of Water Resources Particularly-organmentioning

confidence: 99%

“…Synthetic zeolites have been found to be useful in the removal of organic compounds from aqueous solutions, as well as in petroleum compound spillage cleanup (Bandura et al 2017a). The chemistry of zeolite synthesis is subject to perturbations by impurities present in the source material (Alkan et al 2005).…”

Section: Fig 1 Contamination Of Water Resources Particularly-organmentioning

confidence: 99%

The Removal of Organic Compounds by Natural and Synthetic Surface-Functionalized Zeolites: A Mini-Review

Muir¹,

Wołowiec

Bajda

et al. 2017

Mineralogia

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Abstract. The use of zeolites as sorbents has been investigated as a replacement for existing costly methods of removing organic contaminants from water solutions. Zeolites can be modified by inorganic salts, organic surfactants, metals or metal oxides in order to increase their adsorption capacity. The unique ion exchange and adsorption properties of zeolites make them very suitable for application in the removal of organic compounds such as volatile organic compounds (VOCs), polycyclic aromatic hydrocarbons (PAHs), phenols and other complex petrochemicals. Many different studies have demonstrated their effectiveness in reducing the concentrations of organic contaminants as well as petroleum derivatives in water, which has been summarized in this paper.

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Application of Mineral Sorbents for Removal of Petroleum Substances: A Review

Cited by 111 publications

References 87 publications

Response Surface Optimization of Oil Removal Using Synthesized Polypyrrole-Silica Polymer Composite

Response Surface Optimization of Oil Removal Using Synthesized Polypyrrole-Silica Polymer Composite

Restrictions on the Use of Specimens Based on Magnesium and Titanium Nanocrystalline Oxides in Incidents Involving Uncontrolled Release of Hazardous Substances

The Removal of Organic Compounds by Natural and Synthetic Surface-Functionalized Zeolites: A Mini-Review

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