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Mechanism and kinetics of binding of meat and bone meal ash into the Portland cement clinker

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F26232511%3A_____%2F20%3AN0000045" target="_blank" >RIV/26232511:_____/20:N0000045 - isvavai.cz</a>

  • Result on the web

    <a href="https://link.springer.com/article/10.1007%2Fs42452-020-2215-4" target="_blank" >https://link.springer.com/article/10.1007%2Fs42452-020-2215-4</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1007/s42452-020-2215-4" target="_blank" >10.1007/s42452-020-2215-4</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Mechanism and kinetics of binding of meat and bone meal ash into the Portland cement clinker

  • Original language description

    Meat and bone meal (MBM) is the alternative fuel with good calorific value used in cement production. The main problem with MBM combustion in a cement kiln is the high content of P2O5, which incorporates in clinker phases, influencing phase composition of clinker and hence the quality of the cement. In cement industry, only limited amount of MBM is burned to prevent adverse effect. P2O5 has a significantly negative effect on the formation of the main clinker phase alite and it stabilizes belite by means of entering its structure. At 4.5 wt% P2O5 in the clinker, the alite formation is completely blocked. Research on kinetics of reactions between clinker and MBM proved reduction of negative reactions and minimization of migration of P2O5 into the clinker minerals using undispersed P2O5 carrier. The carrier in pellet form eliminates the negative effect of P2O5 on the formation of the alite. The research was conducted by means of XRD, optical and electron microscopy. Electron microanalysis showed that P2O5 migrated inside the clinker to a distance of less than 250 μm from the ash and clinker interface. Clinker was not influence outside this area. It is possible to prepare high quality cement from the clinker containing ash residues from MBM in an amount corresponding to up to 10 wt% P2O5. The work was completed with preparation of cement with 7 wt% of P2O5, which exhibited good technological properties. In addition, these cements significantly reduce the leachability of toxic elements.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    20500 - Materials engineering

Result continuities

  • Project

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2020

  • Confidentiality

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

Data specific for result type

  • Name of the periodical

    SN Applied Sciences

  • ISSN

    2523-3963

  • e-ISSN

    2523-3971

  • Volume of the periodical

    2

  • Issue of the periodical within the volume

    3

  • Country of publishing house

    CH - SWITZERLAND

  • Number of pages

    9

  • Pages from-to

  • UT code for WoS article

    000517978900096

  • EID of the result in the Scopus database

    2-s2.0-85100778632