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Tomassetti M, Angeloni R, Castrucci M, Visco G, Campanella L. Ethanol traces in natural waters checked using a new DMFC enzymatic device. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2018; 25:28741-28747. [PMID: 29188595 DOI: 10.1007/s11356-017-0435-y] [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: 05/25/2017] [Accepted: 10/05/2017] [Indexed: 06/07/2023]
Abstract
The use of fuels with strong percentage of ethanol that is done in countries such as Brazil and Australia causes a more and more relevant presence of traces of ethanol in natural waters. The ethanol present in these fuels seems to contribute to increase, through various mechanisms, the concentration of hydrocarbons in the same waters and soil. The ethanol content in natural waters must therefore be monitored frequently. It was therefore proposed a very simple innovative method, based on a catalytic fuel cell with the alcohol dehydrogenase enzyme immobilized in the anodic compartment of the device. The analytical performances of this new device were then evaluated by checking traces of alcohol in different types of natural waters (rain, river, and groundwater), with a good degree of precision and with an acceptable level of accuracy.
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Affiliation(s)
- Mauro Tomassetti
- Department of Chemistry, University of Rome "La Sapienza", P.le A. Moro, 5, 00185, Rome, Italy.
| | - Riccardo Angeloni
- Department of Chemistry, University of Rome "La Sapienza", P.le A. Moro, 5, 00185, Rome, Italy
| | - Mauro Castrucci
- Department of Chemistry, University of Rome "La Sapienza", P.le A. Moro, 5, 00185, Rome, Italy
| | - Giovanni Visco
- Department of Chemistry, University of Rome "La Sapienza", P.le A. Moro, 5, 00185, Rome, Italy
| | - Luigi Campanella
- Department of Chemistry, University of Rome "La Sapienza", P.le A. Moro, 5, 00185, Rome, Italy
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Ramos DT, Lazzarin HSC, Alvarez PJJ, Vogel TM, Fernandes M, do Rosário M, Corseuil HX. Biodiesel presence in the source zone hinders aromatic hydrocarbons attenuation in a B20-contaminated groundwater. JOURNAL OF CONTAMINANT HYDROLOGY 2016; 193:48-53. [PMID: 27636988 DOI: 10.1016/j.jconhyd.2016.09.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/17/2016] [Revised: 08/15/2016] [Accepted: 09/05/2016] [Indexed: 06/06/2023]
Abstract
The behavior of biodiesel blend spills have received limited attention in spite of the increasing and widespread introduction of biodiesel to the transportation fuel matrix. In this work, a controlled field release of biodiesel B20 (100L of 20:80 v/v soybean biodiesel and diesel) was monitored over 6.2years to assess the behavior and natural attenuation of constituents of major concern (e.g., BTEX (benzene, toluene, ethyl-benzene and xylenes) and PAHs (polycyclic aromatic hydrocarbons)) in a sandy aquifer material. Biodiesel was preferentially biodegraded compared to diesel aromatic compounds with a concomitant increase in acetate, methane (near saturation limit (≈22mgL-1)) and dissolved BTEX and PAH concentrations in the source zone during the first 1.5 to 2.0years after the release. Benzene and benzo(a)pyrene concentrations remained above regulatory limits in the source zone until the end of the experiment (6.2years after the release). Compared to a previous adjacent 100-L release of ethanol-amended gasoline, biodiesel/diesel blend release resulted in a shorter BTEX plume, but with higher residual dissolved hydrocarbon concentrations near the source zone. This was attributed to greater persistence of viscous (and less mobile) biodiesel than the highly-soluble and mobile ethanol in the source zone. This persistence of biodiesel/diesel NAPL at the source zone slowed BTEX and PAH biodegradation (by the establishment of an anaerobic zone) but reduced the plume length by reducing mobility. This is the first field study to assess biodiesel/diesel blend (B20) behavior in groundwater and its effects on the biodegradation and plume length of priority groundwater pollutants.
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Affiliation(s)
- Débora Toledo Ramos
- Federal University of Santa Catarina, Department of Sanitary and Environmental Engineering, Florianópolis, Santa Catarina, Brazil
| | - Helen Simone Chiaranda Lazzarin
- Federal University of Santa Catarina, Department of Sanitary and Environmental Engineering, Florianópolis, Santa Catarina, Brazil
| | - Pedro J J Alvarez
- Department of Civil and Environmental Engineering, Rice University, MS-317, 6100 Main St, Houston, TX 77005, USA
| | - Timothy M Vogel
- Environmental Microbial Genomics Group, Laboratoire Ampère, CNRS UMR5005, Ecole Centrale de Lyon, Université de Lyon, Ecully, France
| | - Marilda Fernandes
- Federal University of Santa Catarina, Department of Sanitary and Environmental Engineering, Florianópolis, Santa Catarina, Brazil
| | - Mário do Rosário
- Petróleo Brasileiro Petrobras, Research Centre (CENPES), Rio de Janeiro, Rio de Janeiro, PO Box 21941598, Brazil
| | - Henry Xavier Corseuil
- Federal University of Santa Catarina, Department of Sanitary and Environmental Engineering, Florianópolis, Santa Catarina, Brazil.
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Hofmann R, Grösbacher M, Griebler C. Mini Sediment Columns and Two-Dimensional Sediment Flow-Through Microcosms: Versatile Experimental Systems for Studying Biodegradation of Organic Contaminants in Groundwater Ecosystems. ACTA ACUST UNITED AC 2016. [DOI: 10.1007/8623_2016_210] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/23/2023]
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