The Italian ZECOMIX Platform: CO2 Capture on Calcined Dolomite in Fluidized Bed Carbonator Unit - Natural Resources

NR > Vol.5 No.9, July 2014

The Italian ZECOMIX Platform: CO₂ Capture on Calcined Dolomite in Fluidized Bed Carbonator Unit ()

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DOI: 10.4236/nr.2014.59040 2,814 Downloads 4,027 Views Citations

Author(s)

Silvera Scaccia, Stefano Stendardo, Giuseppina Vanga, Leandro Pagliari, Stefano Cassani, Mirko Nobili, Giuseppe Messina, Andrea Assettati, Giuliano Guidarelli, Salvatore Attanasi, Caterino Stringola, Andrea Grasso, Ivano Cassani, Antonio Calabró, Pier Ugo Foscolo

Affiliation(s)

Department of Chemistry, Chemical Engineering and Materials, University of L’Aquila, L’Aquila, Italy.
Energy Efficiency UTEE-GRT, ENEA-CCEI UMBRIA, Perugia, Italy.
Sustainable Combustion Laboratory (UTTEI-COMSO), C.R. ENEA, Rome, Italy.

ABSTRACT

The Italian Zecomix platform is a gasification pilot-scale plant integrated CCS technology, whose flexibility allows operating each unit alone. For quantitative analysis of the gaseous species an analytical system based on commercially available instruments and sampling lines at various points of plant was properly designed. A Fourier Transform Infrared Spectrometric (FTIR) with portable low resolution and gas chromatographic tools were used. The fluidized bed calciner/ carbonator unit was fed with naturally occurring dolomite (about 300 kg) from quarry of Biella (Italy) and tested for CO₂ capture. Carbonation reaction was conducted at around 700°C under simulated reformed synthesis gas containing 30% of CO₂. Based on GC and FTIR results a CO₂ retention better than 70% was achieved. The application of grain model establishing the carbonation reaction was kinetically controlled within 50 seconds and the reaction rate constant was comparable to that obtained at laboratory-scale level by thermogravimetric analyzer.

KEYWORDS

ZECOMIX Experimental Platform, Dolomite, CO₂ Capture, Fluidized Bed, GC and FTIR, Kinetics

Share and Cite:

Scaccia, S. , Stendardo, S. , Vanga, G. , Pagliari, L. , Cassani, S. , Nobili, M. , Messina, G. , Assettati, A. , Guidarelli, G. , Attanasi, S. , Stringola, C. , Grasso, A. , Cassani, I. , Calabró, A. and Foscolo, P. (2014) The Italian ZECOMIX Platform: CO₂ Capture on Calcined Dolomite in Fluidized Bed Carbonator Unit. Natural Resources, 5, 433-441. doi: 10.4236/nr.2014.59040.

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