Remediation of oil spill-contaminated sands by chemical-free microbubbles generated in tap and saline water

Oil spill-contaminated sands caused by marine oil spillage could severely impact aquatic and terrestrial ecosystems. In this work, self-collapsing microbubbles (MBs)-based method was explored as a chemical free approach for remediation of oil spill-contaminated sands. Tap water and saline water with...

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Main Authors: Sun, Huifang, Liu, Hang, Wang, Siyu, Liu, Yu
Other Authors: School of Civil and Environmental Engineering
Format: Journal Article
Language:English
Published: 2021
Subjects:
Online Access:https://hdl.handle.net/10356/151422
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author Sun, Huifang
Liu, Hang
Wang, Siyu
Liu, Yu
author2 School of Civil and Environmental Engineering
author_facet School of Civil and Environmental Engineering
Sun, Huifang
Liu, Hang
Wang, Siyu
Liu, Yu
author_sort Sun, Huifang
collection NTU
description Oil spill-contaminated sands caused by marine oil spillage could severely impact aquatic and terrestrial ecosystems. In this work, self-collapsing microbubbles (MBs)-based method was explored as a chemical free approach for remediation of oil spill-contaminated sands. Tap water and saline water with 32 g/L of sodium chloride were employed as the media to generate MBs. Results showed that almost all oils were removed from the oil spill-contaminated sands after the 40-min treatment with MBs generated in tap water. The oil removal efficiency of MBs in saline water was slightly lower than that in tap water, while more than 90% of oil removal efficiency was still achieved after the 40-min treatment. The analyses by FTIR and UV spectra further confirmed the oil removal from oil spill-contaminated sands by MBs. Consequently, self-collapsing MBs showed a great potential as an environmentally friendly technology for high-efficiency remediation of oil spill-contaminated sands.
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spelling ntu-10356/1514222021-06-24T01:55:52Z Remediation of oil spill-contaminated sands by chemical-free microbubbles generated in tap and saline water Sun, Huifang Liu, Hang Wang, Siyu Liu, Yu School of Civil and Environmental Engineering Nanyang Environment and Water Research Institute Advanced Environmental Biotechnology Centre (AEBC) Engineering::Environmental engineering Remediation Oil Spill-contamination Oil spill-contaminated sands caused by marine oil spillage could severely impact aquatic and terrestrial ecosystems. In this work, self-collapsing microbubbles (MBs)-based method was explored as a chemical free approach for remediation of oil spill-contaminated sands. Tap water and saline water with 32 g/L of sodium chloride were employed as the media to generate MBs. Results showed that almost all oils were removed from the oil spill-contaminated sands after the 40-min treatment with MBs generated in tap water. The oil removal efficiency of MBs in saline water was slightly lower than that in tap water, while more than 90% of oil removal efficiency was still achieved after the 40-min treatment. The analyses by FTIR and UV spectra further confirmed the oil removal from oil spill-contaminated sands by MBs. Consequently, self-collapsing MBs showed a great potential as an environmentally friendly technology for high-efficiency remediation of oil spill-contaminated sands. National Environmental Agency (NEA) This work was supported by the National Environment Agency of Singapore for ETRP (Grant No. 1302 111). 2021-06-24T01:55:51Z 2021-06-24T01:55:51Z 2019 Journal Article Sun, H., Liu, H., Wang, S. & Liu, Y. (2019). Remediation of oil spill-contaminated sands by chemical-free microbubbles generated in tap and saline water. Journal of Hazardous Materials, 366, 124-129. https://dx.doi.org/10.1016/j.jhazmat.2018.11.102 0304-3894 https://hdl.handle.net/10356/151422 10.1016/j.jhazmat.2018.11.102 30508728 2-s2.0-85057478398 366 124 129 en 1302 111 Journal of Hazardous Materials © 2018 Elsevier B.V. All rights reserved.
spellingShingle Engineering::Environmental engineering
Remediation
Oil Spill-contamination
Sun, Huifang
Liu, Hang
Wang, Siyu
Liu, Yu
Remediation of oil spill-contaminated sands by chemical-free microbubbles generated in tap and saline water
title Remediation of oil spill-contaminated sands by chemical-free microbubbles generated in tap and saline water
title_full Remediation of oil spill-contaminated sands by chemical-free microbubbles generated in tap and saline water
title_fullStr Remediation of oil spill-contaminated sands by chemical-free microbubbles generated in tap and saline water
title_full_unstemmed Remediation of oil spill-contaminated sands by chemical-free microbubbles generated in tap and saline water
title_short Remediation of oil spill-contaminated sands by chemical-free microbubbles generated in tap and saline water
title_sort remediation of oil spill contaminated sands by chemical free microbubbles generated in tap and saline water
topic Engineering::Environmental engineering
Remediation
Oil Spill-contamination
url https://hdl.handle.net/10356/151422
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AT liuhang remediationofoilspillcontaminatedsandsbychemicalfreemicrobubblesgeneratedintapandsalinewater
AT wangsiyu remediationofoilspillcontaminatedsandsbychemicalfreemicrobubblesgeneratedintapandsalinewater
AT liuyu remediationofoilspillcontaminatedsandsbychemicalfreemicrobubblesgeneratedintapandsalinewater