Effect of marine ambient in the production of pollutants from the pyrolysis and combustion of a mixture of plastic materials

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Title: Effect of marine ambient in the production of pollutants from the pyrolysis and combustion of a mixture of plastic materials
Authors: Iñiguez, María Esperanza | Conesa, Juan A. | Soler, Aurora
Research Group/s: Residuos, Energía, Medio Ambiente y Nanotecnología (REMAN)
Center, Department or Service: Universidad de Alicante. Departamento de Ingeniería Química
Keywords: Plastics | PAHs | Dioxins | Marine water | Pyrolysis | Combustion
Knowledge Area: Ingeniería Química
Issue Date: May-2018
Publisher: Elsevier
Citation: Marine Pollution Bulletin. 2018, 130: 249-257. doi:10.1016/j.marpolbul.2018.03.040
Abstract: A mixture of polyethylene (PE), polyethylene-terephtalate (PET), polypropylene (PP) and Nylon was submerged in marine water during 12 moths. The chlorine content of these plastics was measured through the passing time. Thermobalance was used to look for differences in the thermal decomposition of the plastics during in that time interval. Degradation of PET, PP and Nylon produced changes in the weight loss curve, but behaviour of PE is confusing. Pyrolysis and combustion at 850 °C was finally performed to get knowledge of the possible differences in the emission of main gases, volatiles and semivolatiles including polycyclic aromatic hydrocarbons (PAHs), polychlorinated benzenes (ClBzs), polychlorinated phenols (ClPhs), polybrominated phenols (BrPhs), polychlorinated biphenyls (PCBs) and polychlorinated dibenzo-p-dioxins and dibenzofurans (PCDD/Fs). Results show that the emission of chlorinated species is somewhat not affected by the chlorine content of the plastics mix. The production of PCBs and PCDD/Fs was very low, under 4 pg WHO-TEQ/g.
Sponsor: This work was supported by the CTQ2016-76608-R project from the Ministry of Economy, Industry and Competitiveness (Spain) and the PROMETEOII/2014/007 project of the Valencian Community regional Government (Spain). The author M.E. Iñiguez also thanks the Ministry of Economy, Industry and Competitiveness (Spain) for a Ph.D. grant (contract grant number BES-2014-069473).
URI: http://hdl.handle.net/10045/74896
ISSN: 0025-326X (Print) | 1879-3363 (Online)
DOI: 10.1016/j.marpolbul.2018.03.040
Language: eng
Type: info:eu-repo/semantics/article
Rights: © 2018 Elsevier Ltd.
Peer Review: si
Publisher version: https://doi.org/10.1016/j.marpolbul.2018.03.040
Appears in Collections:INV - REMAN - Artículos de Revistas

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