Membrane air separation for intensification of coal gasification process, (Articolo in rivista)

Type
Label
  • Membrane air separation for intensification of coal gasification process, (Articolo in rivista) (literal)
Anno
  • 2003-01-01T00:00:00+01:00 (literal)
Alternative label
  • A.A. Belyaev, Yu.P. Yampolskii, L.E. Starannikova, A.M. Polyakov, G. Clarizia, E. Drioli, G. Marigliano, G. Barbieri (2003)
    Membrane air separation for intensification of coal gasification process,
    in Fuel processing technology
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • A.A. Belyaev, Yu.P. Yampolskii, L.E. Starannikova, A.M. Polyakov, G. Clarizia, E. Drioli, G. Marigliano, G. Barbieri (literal)
Pagina inizio
  • 119 (literal)
Pagina fine
  • 141 (literal)
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  • 80(2) (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#note
  • Lavoro preparato nell'ambito del progetto triennale INCO COPERNICUS Gasification of low qualità coals in fluidized bed: a novel process of controlled injection of oxygen enriched air obtained by means of gas separatine membranes (MEGA) 01/11/1998-31/10/ (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Fossil Fuels Institute, 29 Leninsky Pr., 119991, Moscow, Russia A.V. Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences, 29 Leninsky Pr., 119991, Moscow, Russia CNR-IRMERC, c/o Department of Chemical and Materials Engineering, University of Calabria, Via P. Bucci, Cubo 17/C, 87030 Rende (CS), Italy (literal)
Titolo
  • Membrane air separation for intensification of coal gasification process, (literal)
Abstract
  • High-ash and other low-quality coals are available in huge quantities in Russia and in other East European countries. Similar solid fuels can also be obtained as by-product of the enrichment process of coal. The aim of this work is the analysis of the possibility to use such low-quality coals as alternative energy sources in fluidised bed gasification process. In order to intensify gasification process in conditions where possible ash melting is avoided, it is proposed to use oxygen-enriched air (OEA) instead of air as a blow and gasification agent. The supply of OEA as fluidisation medium can be beneficial in other respects: it allows to burn at least a part of fly ash before they leave the furnace, thus improving energy efficiency and ecological impacts of the process. In this paper, the first successful example of combination of membrane air separation and coal gasification process is given. This paper summarises the performance of coal gasification in the presence of different oxygen/nitrogen mixtures as a blow for processing of low-quality (high moisture content) coal. The optimal content of O2 in the blow is in the range 27–33% v/v. The heating value of synthesis gas obtained in optimal conditions was in the range 3.5–4.7 MJ/m3 (STP). In second part of the paper, the performance of several membranes available for cheap and efficient air separation is analysed and, after comparing them, recommendations on appropriate selection of membrane type and module needed are given. (literal)
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