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Geng X, Barker CH, MacFadyen A, Boufadel MC, Thrift-Viveros DL, Jones RK, O'Connor C, Lee K. A generic approach to construct pseudo components for oil weathering models. JOURNAL OF HAZARDOUS MATERIALS 2023; 459:132160. [PMID: 37562351 DOI: 10.1016/j.jhazmat.2023.132160] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/21/2023] [Revised: 07/15/2023] [Accepted: 07/25/2023] [Indexed: 08/12/2023]
Abstract
Oil weathering models are essential for predicting the behavior of spilled oil in the environment. Most models use a "Pseudo Component" (PC) approach to represent the wide range of compounds found in petroleum products. Within the approach, rather than modeling each individual compound in an oil, a manageable number of PCs are developed that represent whole classes of compounds. However, previous studies focused mainly on traditional crude oils and did not develop a generic approach to create an optimal set of PCs for a variety of oils. In developing the updates to the NOAA oil weathering model, we propose herein a generic approach to construct PCs using oil distillation data to capture the complexity of oil evaporative weathering. We validated our approach with 899 oils from the Automated Data Inquiry for Oil Spills (ADIOS) oil library and found that an optimal set of sixteen PCs should be used. These PCs include two with low boiling point (below 144 °C), one with a high boiling point (above 400 °C), and thirteen constructed within a middle range of boiling points with a temperature resolution of 20 °C. Our simulation tests suggested that this set of sixteen PCs adequately characterizes oil evaporation processes for a wide variety of oils.
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Affiliation(s)
- Xiaolong Geng
- Department of Earth Sciences, University of Hawai'i at Mānoa, Honolulu, HI 96822, USA; Water Resources Research Center, University of Hawai'i at Mānoa, Honolulu, HI 96822, USA.
| | - Christopher H Barker
- Office of Response and Restoration, Emergency Response Division, National Oceanic and Atmospheric Administration, Seattle, WA 98133, USA
| | - Amy MacFadyen
- Office of Response and Restoration, Emergency Response Division, National Oceanic and Atmospheric Administration, Seattle, WA 98133, USA
| | - Michel C Boufadel
- Department of Civil and Environmental Engineering, New Jersey Institute of Technology, University Heights, Newark, NJ 07102, USA
| | - Dalina L Thrift-Viveros
- Office of Response and Restoration, Emergency Response Division, National Oceanic and Atmospheric Administration, Seattle, WA 98133, USA
| | - Robert K Jones
- Office of Response and Restoration, Emergency Response Division, National Oceanic and Atmospheric Administration, Seattle, WA 98133, USA
| | - Caitlin O'Connor
- Office of Response and Restoration, Emergency Response Division, National Oceanic and Atmospheric Administration, Seattle, WA 98133, USA
| | - Kenneth Lee
- Department of Fisheries and Oceans, Dartmouth, Nova Scotia B2YA2, Canada
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Dai X, Lv J, Fu P, Guo S. Microbial remediation of oil-contaminated shorelines: a review. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:93491-93518. [PMID: 37572250 DOI: 10.1007/s11356-023-29151-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Accepted: 07/31/2023] [Indexed: 08/14/2023]
Abstract
Frequent marine oil spills have led to increasingly serious oil pollution along shorelines. Microbial remediation has become a research hotspot of intertidal oil pollution remediation because of its high efficiency, low cost, environmental friendliness, and simple operation. Many microorganisms are able to convert oil pollutants into non-toxic substances through their growth and metabolism. Microorganisms use enzymes' catalytic activities to degrade oil pollutants. However, microbial remediation efficiency is affected by the properties of the oil pollutants, microbial community, and environmental conditions. Feasible field microbial remediation technologies for oil spill pollution in the shorelines mainly include the addition of high-efficiency oil degrading bacteria (immobilized bacteria), nutrients, biosurfactants, and enzymes. Limitations to the field application of microbial remediation technology mainly include slow start-up, rapid failure, long remediation time, and uncontrolled environmental impact. Improving the environmental adaptability of microbial remediation technology and developing sustainable microbial remediation technology will be the focus of future research. The feasibility of microbial remediation techniques should also be evaluated comprehensively.
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Affiliation(s)
- Xiaoli Dai
- Beijing Key Laboratory of Remediation of Industrial Pollution Sites, Institute of Resources and Environment, Beijing Academy of Science and Technology, Beijing, 10089, China.
| | - Jing Lv
- China University of Petroleum-Beijing, Beijing, 102249, China
| | - Pengcheng Fu
- State Key Laboratory of Marine Resource Utilization in South China Sea, Hainan University, Hainan, 570228, China
| | - Shaohui Guo
- China University of Petroleum-Beijing, Beijing, 102249, China
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Abou-Khalil C, Ji W, Prince RC, Coelho GM, Nedwed TJ, Lee K, Boufadel MC. Field fluorometers for assessing oil dispersion at sea. MARINE POLLUTION BULLETIN 2023; 192:115143. [PMID: 37295253 DOI: 10.1016/j.marpolbul.2023.115143] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Revised: 05/31/2023] [Accepted: 06/02/2023] [Indexed: 06/12/2023]
Abstract
Oil dispersion by the application of chemical dispersants is an important tool in oil spill response, but it is difficult to quantify in the field in a timely fashion that is useful for coordinators and decision-makers. One option is the use of rugged portable field fluorometers that can deliver essentially instantaneous results if access is attainable. The United States Coast Guard has suggested, in their Special Monitoring of Applied Response Technologies (SMART) protocols, that successful oil dispersion can be identified by a five-fold increase in oil fluorescence. Here we test three commercial fluorometers with different excitation/emission windows (SeaOWL, Cyclops 7FO, and Cyclops 7F-G) that might prove useful for such applications. Results show that they have significantly different dynamic ranges for detecting oil and that using them (or similar instruments) in combination is probably the best option for successfully assessing the effectiveness of oil dispersion operations. Nevertheless, the rapid dilution of dispersed oil means that measurements must be made within an hour or two of dispersion, suggesting that one feasible scenario would be monitoring ship-applied dispersants by vessels following close behind the dispersant application vessel. Alternatively, autonomous submersibles might be pre-deployed to monitor aerial dispersant application, although the logistical challenges in a real spill would be substantial.
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Affiliation(s)
- Charbel Abou-Khalil
- Center for Natural Resources, Department of Civil and Environmental Engineering, New Jersey Institute of Technology, Newark, NJ 07102, USA
| | - Wen Ji
- Center for Natural Resources, Department of Civil and Environmental Engineering, New Jersey Institute of Technology, Newark, NJ 07102, USA
| | | | - Gina M Coelho
- Bureau of Safety and Environmental Enforcement, Sterling, VA 20166, USA
| | - Tim J Nedwed
- ExxonMobil Upstream Research Co., Houston, TX 77252, USA
| | - Kenneth Lee
- Fisheries and Oceans Canada, Ecosystem Science, Ottawa, ON K1A 0E6, Canada
| | - Michel C Boufadel
- Center for Natural Resources, Department of Civil and Environmental Engineering, New Jersey Institute of Technology, Newark, NJ 07102, USA.
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Ji W, Abou-Khalil C, Parameswarappa Jayalakshmamma M, Boufadel M, Lee K. Post-Formation of Oil Particle Aggregates: Breakup and Biodegradation. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2023; 57:2341-2350. [PMID: 36723450 DOI: 10.1021/acs.est.2c05866] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Spilled oil slicks are likely to break into droplets in the subtidal and intertidal zones of seashores due to wave energy. The nonliving suspended fine particles in coastal ecosystems can interact with the dispersed oil droplets, resulting in the formation of Oil Particle Aggregates (OPAs). Many investigations assumed that these aggregates will settle due to the particles' high density. Recent studies, however, reported that some particles penetrate the oil droplets, which results in further breakup while forming smaller OPAs that remain suspended in the water column. Here, we investigated the interaction of crude oil droplets with intertidal and subtidal sediments, as well as artificial pure kaolinite, in natural seawater. Results showed that the interaction between oil droplets and intertidal sediments was not particularly stable, with an Oil Trapping Efficiency (OTE) < 25%. When using subtidal sediments, OTE reached 56%. With artificial kaolinite, OPA formation and breakup were more significant (OTE reaching up to 67%) and occurred faster (within 12 h). Oil chemistry analysis showed that the biodegradation of oil in seawater (half-life of 485 h) was significantly enhanced with the addition of sediments, with half-lives of 305, 265, and 150 h when adding intertidal sediments, subtidal sediments, and pure kaolinite, respectively. Such results reveal how the sediments' shape and size affect the various oil-sediment interaction mechanisms, and the subsequent impact on the microbial degradation of petroleum hydrocarbons. Future studies should consider investigating the application of fine (several microns) and sharp (elongated-sheeted) sediments as a nondestructive and nontoxic technique for dispersing marine oil spills.
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Affiliation(s)
- Wen Ji
- Center for Natural Resources, Department of Civil and Environmental Engineering, New Jersey Institute of Technology, 323 MLK Blvd., Newark, New Jersey07102, United States
| | - Charbel Abou-Khalil
- Center for Natural Resources, Department of Civil and Environmental Engineering, New Jersey Institute of Technology, 323 MLK Blvd., Newark, New Jersey07102, United States
| | - Meghana Parameswarappa Jayalakshmamma
- Center for Natural Resources, Department of Civil and Environmental Engineering, New Jersey Institute of Technology, 323 MLK Blvd., Newark, New Jersey07102, United States
| | - Michel Boufadel
- Center for Natural Resources, Department of Civil and Environmental Engineering, New Jersey Institute of Technology, 323 MLK Blvd., Newark, New Jersey07102, United States
| | - Kenneth Lee
- Department of Fisheries and Oceans, Dartmouth, NSB2Y 4A2, Canada
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Raznahan M, Li SS, Wang Z, Boufadel M, Geng X, An C. Numerical simulation of multiphase oil behaviors in ice-covered nearshore water. JOURNAL OF CONTAMINANT HYDROLOGY 2022; 251:104069. [PMID: 36095968 DOI: 10.1016/j.jconhyd.2022.104069] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/25/2022] [Revised: 08/16/2022] [Accepted: 08/28/2022] [Indexed: 06/15/2023]
Abstract
There has been an increase in marine transportation in cold regions, which in turn has led to an increasing risk of oil spills in these areas. To better support risk assessment and pollution control of oil spills, it is important to have a good understanding of oil transport in the environment. This information is essential to manage response priorities and help prepare contingency and mitigating measures. This study aims to simulate 3D wave propagation in shallow water with different broken-ice aerial coverage percentages to assess the fate and transport of oil spill in a nearshore area under different conditions. Based on the Reynolds-averaged Navier-Stokes momentum equations for an incompressible viscous fluid and the Volume of Fluid (VOF) method that is coupled with Six Degree of Freedom (6-DOF) model, a 3D numerical model of three-phase transient flow was developed. It was found that the presence of ice makes the spreading of spilled oil slower in the horizontal direction since the ice can build natural barriers to oil movement. The higher the ice concentration, the slower spilled oil migrates in all directions. The maximum oil volume fraction varies with increasing ice coverage on the water surface area. The wave frequency, the averaged flow velocity, and oil properties affect the oil spread extent and the oil volume fraction. The dumping effect of the wave due to the presence of ice makes the impact of this factor less critical than those in open water.
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Affiliation(s)
- Mohammadmehdi Raznahan
- Department of Building, Civil and Environmental Engineering, Concordia University, Montreal H3G 1M8, Canada
| | - S Samuel Li
- Department of Building, Civil and Environmental Engineering, Concordia University, Montreal H3G 1M8, Canada
| | - Zheng Wang
- Department of Building, Civil and Environmental Engineering, Concordia University, Montreal H3G 1M8, Canada
| | - Michel Boufadel
- Center for Natural Resources, Department of Civil and Environmental Engineering, New Jersey Institute of Technology, Newark 07102, United States
| | - Xiaolong Geng
- National Oceanic and Atmospheric Administration, Washington 20230, United States
| | - Chunjiang An
- Department of Building, Civil and Environmental Engineering, Concordia University, Montreal H3G 1M8, Canada.
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Geng X, Barker CH, MacFadyen A, Boufadel MC, Lee K, Thrift-Viveros DL, Jones R, O'Connor C. Oil biodegradation in permeable marine sediments: Effects of benthic pore-water advection and solute exchange. JOURNAL OF HAZARDOUS MATERIALS 2022; 436:129211. [PMID: 35739733 DOI: 10.1016/j.jhazmat.2022.129211] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Revised: 05/07/2022] [Accepted: 05/19/2022] [Indexed: 06/15/2023]
Abstract
Oil spills have been recognized as among the worst kinds of environmental disasters, causing severe coastal ecological and economic damages. Although benthic flow and solute fluxes are known to have strong impacts on fate and transport of oil deposited within marine sediments, their endogenous mechanisms still remain to be uncovered. In this paper, simulations of flow and solute transport processes along with hydrocarbon biodegradation were conducted in a cylindrical benthic chamber system to investigate influences of benthic hydrodynamics on oil biodegradation in permeable marine sediments. Results show that ripple-flow interactions create subsurface recirculation cells whereby seawater infiltrates into the benthic sediments at ripple troughs while groundwater discharges near the crests. It results in a spatially varied oil biodegradation rate in marine sediments. Significant oil biodegradation occurs near sediment ripple troughs due to direct oxygen recharge, while biodegradation of oil deposited uphill becomes slow due to limited oxygen replenishment. Oil biodegradation decreases subsurface oxygen content, and consequently impedes discharge of oxygen from benthic sediments. Our results reveal a dynamic interaction between oil biodegradation and benthic flow and solute transport processes, which has strong implications for predicting oil persistence and biodegradation within marine sediments and its associated impacts on benthic biogeochemical processes.
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Affiliation(s)
- Xiaolong Geng
- Genwest Systems, Inc, Edmonds, WA 98020, USA; Office of Response and Restoration, Emergency Response Division, National Oceanic and Atmospheric Administration, Seattle, WA 98133, USA.
| | - Christopher H Barker
- Office of Response and Restoration, Emergency Response Division, National Oceanic and Atmospheric Administration, Seattle, WA 98133, USA
| | - Amy MacFadyen
- Office of Response and Restoration, Emergency Response Division, National Oceanic and Atmospheric Administration, Seattle, WA 98133, USA
| | - Michel C Boufadel
- Department of Civil and Environmental Engineering, New Jersey Institute of Technology, University Heights, Newark, NJ 07102, USA
| | - Kenneth Lee
- Department of Fisheries and Oceans, Dartmouth, Nova Scotia, B2Y4A2, Canada
| | - Dalina L Thrift-Viveros
- Office of Response and Restoration, Emergency Response Division, National Oceanic and Atmospheric Administration, Seattle, WA 98133, USA
| | - Robert Jones
- Office of Response and Restoration, Emergency Response Division, National Oceanic and Atmospheric Administration, Seattle, WA 98133, USA
| | - Caitlin O'Connor
- Office of Response and Restoration, Emergency Response Division, National Oceanic and Atmospheric Administration, Seattle, WA 98133, USA
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Abou-Khalil C, Prince RC, Greer CW, Lee K, Boufadel MC. Bioremediation of Petroleum Hydrocarbons in the Upper Parts of Sandy Beaches. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2022; 56:8124-8131. [PMID: 35580303 DOI: 10.1021/acs.est.2c01338] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
The biodegradation of dispersed crude oil in the ocean is relatively rapid (a half-life of a few weeks). However, it is often much slower on shorelines, usually attributed to low moisture content, nutrient limitation, and higher oil concentrations in beaches than in dispersed plumes. Another factor may be the increased salinity of the upper intertidal and supratidal zones because these parts of the beach are potentially subject to prolonged evaporation and only intermittent inundation. We have investigated whether such an increase in salinity has inhibitory effects on oil biodegradation in seashores. Lightly weathered Hibernia crude oil was added to beach sand at 1 or 10 mL/kg, and fresh seawater, at salinities of 30, 90, and 160 g/L, was added to 20% saturation. The biodegradation of oil was slower at higher salinities, where the half-life increased from 40 days at 30 g/L salts to 58 and 76 days at 90 and 160 g/L salts, respectively, and adding fertilizers somewhat enhanced oil biodegradation. Increased oil concentration in the sand, from 1 to 10 mL/kg, slowed the half-life by about 10-fold. Consequently, occasional irrigation with fertilization could be a suitable bioremediation strategy for the upper parts of contaminated beaches. However, dispersing oil at sea is probably the most suitable option for the optimal removal of spilled crude oil from the marine environment.
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Affiliation(s)
- Charbel Abou-Khalil
- Center for Natural Resources, Department of Civil and Environmental Engineering, New Jersey Institute of Technology, Newark, New Jersey 07102, United States
| | - Roger C Prince
- Stonybrook Apiary, Pittstown, New Jersey 08867, United States
| | - Charles W Greer
- Energy, Mining and Environment Research Centre, National Research Council Canada, Montreal, Quebec H4P 2R2, Canada
- Department of Natural Resource Sciences, McGill University, Ste-Anne-de-Bellevue, Quebec H9X 3V9, Canada
| | - Kenneth Lee
- Ecosystem Science, Fisheries and Oceans Canada, Ottawa, Ontario K1A 0E6, Canada
| | - Michel C Boufadel
- Center for Natural Resources, Department of Civil and Environmental Engineering, New Jersey Institute of Technology, Newark, New Jersey 07102, United States
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Environmental Impacts and Challenges Associated with Oil Spills on Shorelines. JOURNAL OF MARINE SCIENCE AND ENGINEERING 2022. [DOI: 10.3390/jmse10060762] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
Oil spills are of great concern because they impose a threat to the marine ecosystem, including shorelines. As oil spilled at sea is transported to the shoreline, and after its arrival, its behavior and physicochemical characteristics change because of natural weathering phenomena. Additionally, the fate of the oil depends on shoreline type, tidal energy, and environmental conditions. This paper critically overviews the vulnerability of shorelines to oil spill impact and the implication of seasonal variations with the natural attenuation of oil. A comprehensive review of various monitoring techniques, including GIS tools and remote sensing, is discussed for tracking, and mapping oil spills. A comparison of various remote sensors shows that laser fluorosensors can detect oil on various types of substrates, including snow and ice. Moreover, current methods to prevent oil from reaching the shoreline, including physical booms, sorbents, and dispersants, are examined. The advantages and limitations of various physical, chemical, and biological treatment methods and their application suitability for different shore types are discussed. The paper highlights some of the challenges faced while managing oil spills, including viewpoints on the lack of monitoring data, the need for integrated decision-making systems, and the development of rapid response strategies to optimize the protection of shorelines from oil spills.
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Geng X, An C, Lee K, Boufadel MC. Modeling oil biodegradation and bioremediation within beaches. Curr Opin Chem Eng 2022. [DOI: 10.1016/j.coche.2021.100751] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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