Aerial application of herding agents to advance in-situ burning for oil spill response in the Arctic: A pilot study

Aggarwal, Srijan; Schnabel, William; Buist, Ian; Garron, J.; Bullock, Robin; Perkins, Robert; Potter, Steve; Cooper, David J.

doi:10.1016/j.coldregions.2016.12.010

Cited by 27 publications

(34 citation statements)

References 16 publications

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“…In the Arctic context, ISB was identified as the most effective solution (due to remoteness and ice-infested waters) (Bullock et al, 2019;Fritt-Rasmussen et al, 2012;Shi et al, 2016;Van Gelderen et al, 2015). In fact, various studies have reported that more than 90% of an oil spill can be removed using in-situ burning (Aggarwal et al, 2017;Buist et al, 2011Buist et al, , 2013Buist and Twardus, 1985;Fingas et al, 1995;Van Gelderen et al, 2015).…”

Section: Introductionmentioning

confidence: 99%

“…This technique can prove challenging in the Arctic and Antarctic waters due to remoteness and the presence of drifting-ice. It is worth noting that physical confinement can also occur naturally, e.g., in ice cavities, due to the wind, between ice blocks (Aggarwal et al, 2017;Dickins et al, 2008;Energetex Engineering, 1981;Fritt-Rasmussen and Brandvik, 2011).…”

Section: Introductionmentioning

confidence: 99%

“…These herding agents are the hydrocarbon-based formulation ThickSlick 6535 (TS6535), and the silicone-based herder, OP-40 (Lane et al, 2012). Recent studies have shown that OP-40 has better herding capabilities than TS6535 for fresh-crude oils (Aggarwal et al, 2017;Buist et al, 2009;Bullock et al, 2017;Potter et al, 2016;van Gelderen et al, 2016).…”

Section: Introductionmentioning

confidence: 99%

“…Consequently, in a remote location (such as in the Arctic), the ISB responders are quite likely to encounter a weathered crude oil. Previous ISB studies with herders have mainly focused on fresh crude oils (Aggarwal et al, 2017;Buist et al, 2007Buist et al, , 2008aBuist et al, , 2011Bullock et al, 2017;Rojas Alva et al, 2018;Singsaas et al, 2017;van Gelderen et al, 2016). However, little is known about its ability to thicken weathered or emulsified crude oils for in-situ burning.…”

Section: Introductionmentioning

confidence: 99%

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Chemical herding of weathered crude oils for in-situ burning

Rojas-Alva

Andersen

Jomaas

2019

Journal of Environmental Management

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Mid-scale ISB experiments were conducted in a large water-basin (20 m 2 x 1 m) in order to assess the applicability of chemical herding of weathered crude oil spills on water in association with in-situ burning (ISB). A silicone-based chemical herding agent, OP-40, was used to confine, or herd, three different crude oils (Siri, Grane and Oseberg blend) at various weathering degrees. The herding agent was capable of obtaining the minimum required oil slick thickness for ignition and subsequent flame spread in most of the experiments, but not for the strongly weathered oils. Also, the herding agent was capable of re-thickening the oil slick after flame extinction. The burning efficiency results indicate that the method can be viable for ISB with herders at a larger scale, and suggest that the burning efficiency scales with the amount of crude oil. Sinking behaviour of residues was also observed and quantified, as such a behaviour can pose a serious environmental threat in real scenarios.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Chemical herding of weathered crude oils for in-situ burning

Rojas-Alva

Andersen

Jomaas

2019

Journal of Environmental Management

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“…Thus, oil companies have spent large sums to clean up oil spills. Many remediation processes, such as electrochemical methods 3,4 , controlled burning 5,6 , membrane filtration 7,8 , chemical dispersants and biological agents 9,10 , have been developed to clean up oil pollution. However, most of these methods suffer from high operation costs, low efficiency and, in some cases, the creation of secondary pollutants.…”

Section: Introductionmentioning

confidence: 99%

Novel fabrication of a robust superhydrophobic PU@ZnO@Fe3O4@SA sponge and its application in oil-water separations

Tran

Lee

2017

Sci Rep

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We report a novel superhydrophobic material based on commercially available polyurethane (PU) sponge with high porosity, low density and good elasticity. The fabrication of a superhydrophobic sponge capable of efficiently separating oil from water was achieved by imitating or mimicking nature’s designs. The original PU sponge was coated with zinc oxide (ZnO), stearic acid (SA) and iron oxide particles (Fe3O4) via a facile and environmentally friendly method. After each treatment, the properties of the modified sponge were characterized, and the changes in wettability were examined. Water contact angle (WCA) measurements confirmed the excellent superhydrophobicity of the material withhigh static WCA of 161° andlow dynamic WCA (sliding WCA of 7° and shedding WCA of 8°). The fabricated sponge showed high efficiency in separation (over 99%) of different oils from water. Additionally, the fabricated PU@ZnO@Fe3O4@SA sponge could be magnetically guided to quickly absorb oil floating on the water surface. Moreover, the fabricated sponge showed excellent stability and reusability in terms of superhydrophobicity and oil absorption capacity. The durable, magnetic and superhydrophobic properties of the fabricated sponge render it applicable to the cleanup of marine oil spills and other oil-water separation issues, with eco-friendly recovery of the oil by simple squeezing process.

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Using poly(acrylamide‐co‐lauric acid) to remediate oil spills on water

Silva

Soares

2022

Can J Chem Eng

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Many methods have been used to reduce the destructive impact of oil spills on the environment. Herding agents added to the periphery of an oil slick cause it to contract into a thicker oil layer with a more uniform thickness covering a much smaller area, thus making it easier to remove the oil by mechanical means or by in situ burning. In this article, we evaluated how a series of poly(acrylamide-co-lauric acid) copolymers performed as chemical herders for oil spills. These polymers were tested with diluted bitumen spilled on fresh and artificial seawater. An increase in oil slick thickness of 363% was observed for the copolymer made with an acrylamide/lauric acid ratio of 70/30 in less than 10 min for a loading of 5 g polymer/100 g diluted bitumen. In addition, the final thickness of about 3.0 mm was higher than the requirement to initiate and maintain in situ burning. These easy-to-make and inexpensive poly(acrylamide-co-lauric acid) copolymers are attractive compounds for the remediation of oil spills.

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Aerial application of herding agents to advance in-situ burning for oil spill response in the Arctic: A pilot study

Cited by 27 publications

References 16 publications

Chemical herding of weathered crude oils for in-situ burning

Chemical herding of weathered crude oils for in-situ burning

Novel fabrication of a robust superhydrophobic PU@ZnO@Fe3O4@SA sponge and its application in oil-water separations

Using poly(acrylamide‐co‐lauric acid) to remediate oil spills on water

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