Pollutant formation and emissions from cement kiln stack using a solid recovered fuel from municipal solid waste

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Title: Pollutant formation and emissions from cement kiln stack using a solid recovered fuel from municipal solid waste
Authors: Conesa, Juan A. | Rey Martínez, Lorena | Egea Ruiz, Silvia | Rey Martínez, María Dolores
Research Group/s: Residuos, Pirólisis y Combustión
Center, Department or Service: Universidad de Alicante. Departamento de Ingeniería Química | Universidad de Alicante. Instituto Universitario de Ingeniería de Procesos Químicos
Keywords: Dioxin | Heavy metals | Municipal solid waste | Emission | Cement kiln | Waste | Co-combustion
Knowledge Area: Ingeniería Química
Date Created: 2011
Issue Date: 31-May-2011
Publisher: American Chemical Society
Citation: CONESA FERRER, Juan Antonio, et al. “Pollutant formation and emissions from cement kiln stack using a solid recovered fuel from municipal solid waste”. Environmental Science & Technology. Vol. 45, No. 13 (2011). ISSN 0013-936X, pp. 5878-5884
Abstract: The thermal decomposition of a Solid Recovered Fuel (SRF) has been studied by two techniques. First, laboratory-scale experiments were performed in a horizontal furnace in which different atmospheres are studied to analyze the dioxins and furans (PCDD/Fs) evolved from the decomposition of the material. Sulfur presence is revealed to be important in PCDD/Fs formation. In the second technique, the emission of various pollutants (PAHs, PCDD/Fs, metals, acid gases …) were determined in a cement kiln fed on different proportions of SRF material, and where a maximum feed rate of 15000 kg SRF/h was achieved. In the laboratory furnace the dioxin toxicity revealed a maximum when the amount of oxygen in the atmosphere increased until approximately stoichiometric conditions. In the cement kiln, all emitted pollutants are under the legal limits. No correlation between SRF input and metal emission was observed.
Sponsor: Support for this work was provided by CEMEX ESPANA, S.A., a company owned by the CEMEX group (http://www.cemex.com). Authors acknowledge the financial support for this work provided by PROMETEO/2009/043/FEDER and ACOMP2010/075 of Generalitat Valenciana (Spain) and CTQ2008-05520 (Spanish MCI).
URI: http://hdl.handle.net/10045/17850
ISSN: 0013-936X (Print) | 1520-5851 (Online)
DOI: 10.1021/es200448u
Language: eng
Type: info:eu-repo/semantics/article
Rights: Copyright © 2011 American Chemical Society
Peer Review: si
Publisher version: http://dx.doi.org/10.1021/es200448u
Appears in Collections:INV - REMAN - Artículos de Revistas

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