Comparative evaluation of bioremediation techniques on oil contaminated sediments in long-term recovery of benthic community health

Changkeun Lee, Seongjin Hong, Junsung Noh, Junghyun Lee, Seo Joon Yoon, Taewoo Kim, Hosang Kim, Bong Oh Kwon, Hanbyul Lee, Sung Yong Ha, Jongseong Ryu, Jae-Jin Kim, Kae Kyoung Kwon, Un Hyuk Yim, Jong Seong Khim

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

While various bioremediation techniques have been widely used at oil spill sites, the in situ efficiency of such techniques on recovering the benthic communities in intertidal areas has not been quantified. Here, the performance of several bioremediation tools such as emulsifiers, multi-enzyme liquid (MEL), microbes, and rice-straw was evaluated by a 90-days semi-field experiment, particularly targeting recovery of benthic community. Temporal efficiency in the removal of sedimentary total petroleum hydrocarbons (TPH), reduction of residual toxicity, and recovery of bacterial diversity, microalgal growth, and benthic production was comprehensively determined. Concentrations of TPH and amphipod mortality for all treatments rapidly decreased within the first 10 days. In addition, the density of bacteria and microphytobenthos generally increased over time for all treatments, indicating recovery in the benthic community health. However, the recovery of some nitrifying bacteria, such as the class Nitrospinia (which are sensitive to oil components) remained incomplete (13–56%) during 90 days. Combination of microbe treatments showed rapid and effective for recovering the benthic community, but after 90 days, all treatments showed high recovery efficiency. Of consideration, the “no action” treatment showed a similar level of recovery to those of microbe and MEL treatments, indicating that the natural recovery process could prevail in certain situations. “Among various bioremediation techniques tested, the microbes was rapid and effective in restoring benthic community health.”

Original languageEnglish
Pages (from-to)137-145
Number of pages9
JournalEnvironmental Pollution
Volume252
DOIs
Publication statusPublished - 2019 Sep 1

Fingerprint

Environmental Biodegradation
Bioremediation
Sediments
Oils
Petroleum
Health
Hydrocarbons
Recovery
Petroleum Pollution
Amphipoda
Bacteria
Enzymes
Crude oil
Mortality
Growth
Oil spills
Straw
Liquids
Toxicity

Keywords

  • Benthic community
  • Oil spill
  • PAH-Degrading bacteria
  • PAH-Vulnerable bacteria
  • Restoration
  • Semi-field experiment

ASJC Scopus subject areas

  • Toxicology
  • Pollution
  • Health, Toxicology and Mutagenesis

Cite this

Comparative evaluation of bioremediation techniques on oil contaminated sediments in long-term recovery of benthic community health. / Lee, Changkeun; Hong, Seongjin; Noh, Junsung; Lee, Junghyun; Yoon, Seo Joon; Kim, Taewoo; Kim, Hosang; Kwon, Bong Oh; Lee, Hanbyul; Ha, Sung Yong; Ryu, Jongseong; Kim, Jae-Jin; Kwon, Kae Kyoung; Yim, Un Hyuk; Khim, Jong Seong.

In: Environmental Pollution, Vol. 252, 01.09.2019, p. 137-145.

Research output: Contribution to journalArticle

Lee, C, Hong, S, Noh, J, Lee, J, Yoon, SJ, Kim, T, Kim, H, Kwon, BO, Lee, H, Ha, SY, Ryu, J, Kim, J-J, Kwon, KK, Yim, UH & Khim, JS 2019, 'Comparative evaluation of bioremediation techniques on oil contaminated sediments in long-term recovery of benthic community health', Environmental Pollution, vol. 252, pp. 137-145. https://doi.org/10.1016/j.envpol.2019.05.100
Lee, Changkeun ; Hong, Seongjin ; Noh, Junsung ; Lee, Junghyun ; Yoon, Seo Joon ; Kim, Taewoo ; Kim, Hosang ; Kwon, Bong Oh ; Lee, Hanbyul ; Ha, Sung Yong ; Ryu, Jongseong ; Kim, Jae-Jin ; Kwon, Kae Kyoung ; Yim, Un Hyuk ; Khim, Jong Seong. / Comparative evaluation of bioremediation techniques on oil contaminated sediments in long-term recovery of benthic community health. In: Environmental Pollution. 2019 ; Vol. 252. pp. 137-145.
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AU - Yoon, Seo Joon

AU - Kim, Taewoo

AU - Kim, Hosang

AU - Kwon, Bong Oh

AU - Lee, Hanbyul

AU - Ha, Sung Yong

AU - Ryu, Jongseong

AU - Kim, Jae-Jin

AU - Kwon, Kae Kyoung

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AU - Khim, Jong Seong

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