Please use this identifier to cite or link to this item:
logo share SHARE BASE
Visualizar otros formatos: MARC | Dublin Core | RDF | ORE | MODS | METS | DIDL | DATACITE

Combustión de gas con captura de CO2 mediante transportadores sólidos de oxígeno basados en CuO

AuthorsForero, C. R.
AdvisorAdánez Elorza, Juan CSIC ORCID; Gayán Sanz, Pilar CSIC ORCID
KeywordsCaptura de CO2
Chemical looping combustion
Transportadores sólidos de oxígeno
Issue Date25-Apr-2011
PublisherCSIC - Instituto de Carboquímica (ICB)
Universidad del Valle
Universidad de Zaragoza
AbstractChemical looping combustion-CLC is a combustion technology with inherent separation of CO2 by using solid oxygen carriers - OC (metal oxides) in two interconnected fluidized beds, a reduction (FR) and a oxidation reactor (AR). The OC transfer the oxygen from air to fuel by avoiding direct contact between them.
This thesis has focused on the development and characterization of CuO-based oxygen carriers suitable for CLC process and to demostrate the viability of the CLC concept at pilot plant using syngas or methane as fuels. Also, the combustion of methane containing variable amounts of light hydrocarbons (LHC) of H2S was analyzed. Moreover, high temperature behavior during long-term operation of different CuO-based oxygen carriers has been also evaluated.
The evaluation of the process and the oxygen carriers was carried out in a CLC continuous unit of 500 Wth of two interconnected fluidized beds. Cu-based oxygen carriers were found to be suitable for syngas and methane combustion, reaching full gas conversion at low oxygen carrier-to-fuel ratios. Moreover, the presence of light hydrocarbons or sulfur in the fuel gas did not affect the efficiency of the process. The Cu-based oxygen carrier prepared using γAl2O3 as support modified with a small NiO addition was found to be adequate to operate at high temperatures (TFR=900ºC and TAR=950ºC) without attrition or agglomeration problems in the CLC process.
Finally, a solid waste management study of the process using Cu-based oxygen carriers was carried out. A process for the recovery and re-used of the copper content in the solid wastes was proposed and it was found that the solid wastes generated can be classified as stable non-reactive hazardous wastes which may be accepted at landfills for non-hazardous waste.
Appears in Collections:(ICB) Tesis

Files in This Item:
File Description SizeFormat
(ICB)Tesis Carmen Rosa Forero 2011.pdf2,81 MBAdobe PDFThumbnail
Show full item record
Review this work

Page view(s)

checked on May 18, 2022


checked on May 18, 2022

Google ScholarTM


WARNING: Items in Digital.CSIC are protected by copyright, with all rights reserved, unless otherwise indicated.