2019
DOI: 10.5004/dwt.2019.24232
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Application of lightweight expanded clay aggregate as sorbent for crude oil cleanup

Abstract: This paper presents studies on the effect and capacity of lightweight expanded clay aggregates (LECA) as adsorbents for cleaning up crude oil from aquatic environment. These studies incorporate the effect of adsorbent particle size, surface modification, API (American Petroleum Institute) degree, and the contact time. Sorbent characterization has been determined using SEM, XRD, XRF, and BET. Optimum sorption was reached during the first 10 min, followed by a steady state of crude oil sorption. Furthermore, res… Show more

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Cited by 9 publications
(5 citation statements)
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“…Sorption by expanded clay appeared less relevant when decane was added, possibly because decane is more soluble and less hydrophobic. It was found recently, that adsorption to expanded clay increases with the hydrophobicity of crude oil (Pouramini et al 2019 ).…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…Sorption by expanded clay appeared less relevant when decane was added, possibly because decane is more soluble and less hydrophobic. It was found recently, that adsorption to expanded clay increases with the hydrophobicity of crude oil (Pouramini et al 2019 ).…”
Section: Discussionmentioning
confidence: 99%
“…Expanded clay possesses a highly interconnected macro- to mesosize pore structure. Adsorption likely occurs through hydrophobic attraction on the hydrophobic side of expanded clay surface followed by diffusion into the pores (Dordio and Carvalho 2013 ; Pouramini et al 2019 ). Following a fast initial adsorption (6–21 h) biodegradation was enabled (Dordio et al 2010 ; Nkansah et al 2012 ).…”
Section: Introductionmentioning
confidence: 99%
“…The growing media was a mixture of compost and lightweight expanded aggregate. Lightweight aggregate acts as insulation and drainage media [44,45]. The lightweight aggregate is a product of expanding shale, clay, or slate in a rotary kiln at a temperature near 1100 • C [44,45].…”
Section: Thermal Propertiesmentioning
confidence: 99%
“…Lightweight aggregate acts as insulation and drainage media [44,45]. The lightweight aggregate is a product of expanding shale, clay, or slate in a rotary kiln at a temperature near 1100 • C [44,45]. The invigoration of the roots and the soil improvements might be noted as advantages of applying lightweight aggregate [46].…”
Section: Thermal Propertiesmentioning
confidence: 99%
“…Materials for Electronics and Sensors [17], metronidazole [18], E. coli [19], COD [3], copper [15], lead and cadmium in paint industry's effluents [20], oil spill from an aquatic environment [21], also Pb(II), Cd(II), Ni(II) and Ba(II) in drinking water [22]. Many studies of metal remediation using adsorption methods have been carried out, but adsorption of heavy metals in acid mine drainage from tin mines is still rare.…”
mentioning
confidence: 99%