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Comparison of Sodium and Calcium Based Sorbents for the Dry t Treatment of Flue Gas from Waste-to-Energy Plants

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60461373%3A22320%2F16%3A43902246" target="_blank" >RIV/60461373:22320/16:43902246 - isvavai.cz</a>

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    Comparison of Sodium and Calcium Based Sorbents for the Dry t Treatment of Flue Gas from Waste-to-Energy Plants

  • Original language description

    This paper is focused on the properties of sodium and calcium based sorbents in relation to simultaneous dry flue gas treatment from SO2, HCl, NOx, solid particles and polychlorinated dibenzodioxins and dibenzofurans (PCDD/F). The most important differences between the two sorbent types are: the effect of temperature and moisture of flue gas on the sorption process, reactivity towards individual acid components in the flue gas (thermodynamic equilibrium and kinetics), and solubility of air pollution control residues. Also stoichiometric excess and mass of dosed sorbent is important for the comparison. The paper also presents new experimental unit for testing of complex flue gas treatment on catalytic filter elements. In this process, sorbent and reduction agent (for selective catalytic reduction of NOx) are dosed in the flue gas. Solid particles (fly ash and sorbent) form a filter cake on the surface of the filter elements. The flue gas has to pass through the filter cake where the acid components react with the sorbent. Subsequently, relatively clean gas continues to the catalytic layer of the filter element. On the catalytic layer, NOx is reduced by reduction agent (e.g. NH3) and PCDD/Fs are destroyed (oxidised) by residual oxygen in the flue gas. On this unit, simultaneous removal of SO2, HCl, NOx, solid particles and PCDD/F can be studied.

  • Czech name

  • Czech description

Classification

  • Type

    D - Article in proceedings

  • CEP classification

    CI - Industrial chemistry and chemical engineering

  • OECD FORD branch

Result continuities

  • Project

  • Continuities

    S - Specificky vyzkum na vysokych skolach<br>I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2016

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Article name in the collection

    WIT Transaction on Ecology and the Environment

  • ISBN

    978-1-78466-107-6

  • ISSN

  • e-ISSN

  • Number of pages

    9

  • Pages from-to

    291-299

  • Publisher name

    WIT Press

  • Place of publication

    Southampton

  • Event location

    Ancona

  • Event date

    Sep 6, 2016

  • Type of event by nationality

    EUR - Evropská akce

  • UT code for WoS article