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3D printed lab-scale raceway ponds reactors applied to photo-Fenton processes

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hdl:2117/173322

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Nasr Esfahani, KouroshMés informacióMés informació
Zandi, Mohammad Damous
Travieso Rodriguez, Jose AntonioMés informacióMés informacióMés informació
Graells Sobré, MoisèsMés informacióMés informacióMés informació
Pérez Moya, MontserratMés informacióMés informacióMés informació
Document typeConference lecture
Defense date2019
Rights accessOpen Access
Attribution-NonCommercial-NoDerivs 3.0 Spain
Except where otherwise noted, content on this work is licensed under a Creative Commons license : Attribution-NonCommercial-NoDerivs 3.0 Spain
Abstract
In this work, two different printable materials, PLA (polylactic acid) and Timberfill were evaluated in terms of chemical resistance to photo-Fenton reactants and viability for conducting the assays in raceway pond reactors (RPRs). The modeling and testing of chemical reactors, in particular their prototyping can benefit from additive manufacturing. However, the preparation of RPRs by 3D printing to study photo-Fenton reactions has not been investigated. First, these raw materials were exposed to H2O2/Fe(II) solutions at pH=3±0.2 under sunlight to simulate photo-Fenton environment. TOC analysis showed that PLA did not alter the concentration of TOC of the solution in the presence of H2O2 and iron. Furthermore, printed PLA and Timberfill lab-scale raceway ponds were examined under similar conditions in addition 30±0.5 mg·L-1 of caffeine as contaminant and involving the simultaneous exposition of the artificial UVA light. Through different assays in the PLA pond, TOC was not rised during operation, and no organic matter contaminated the solution from its container. However, in the case of Timberfill, the TOC of solution increased that represented the material destruction during contact time. This work shows the promising capability of PLA to be used as photo-Fenton reactor.
CitationNasr Esfahani, K. [et al.]. 3D printed lab-scale raceway ponds reactors applied to photo-Fenton processes. A: International Conference on Environmental Science and Technology. "16th International Conference on Environmental Science and Technology CEST2019, 4-7 September 2019, Rhodes, Greece". 2019, p. 1-2. 
URIhttp://hdl.handle.net/2117/173322
Other identifiershttps://cest2019.gnest.org/sites/default/files/presentation_file_list/cest2019_00639_posterf_paper.pdf
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  • CEPIMA - Center for Process and Environment Engineering - Ponències/Comunicacions de congressos [77]
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  • Doctorat en Enginyeria de Processos Químics - Ponències/Comunicacions de congressos [28]
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