Počet záznamů: 1  

Stabilized Sewage Sludge Pyrolysis in Inert and Water Vapor Enhanced Atmospheres.

  1. 1.
    0498583 - ÚCHP 2019 RIV TW eng C - Konferenční příspěvek (zahraniční konf.)
    Moško, Jaroslav - Pohořelý, Michael - Skoblia, S. - Beňo, Z. - Václavková, Šárka - Šyc, Michal - Svoboda, Karel
    Stabilized Sewage Sludge Pyrolysis in Inert and Water Vapor Enhanced Atmospheres.
    ASCON-IEEChE 2018. Taichung: Feng Chia University, 2018 - (Wu, S.; Wu, K.; Chu, C.), s. 415-420. ISBN N.
    [Asian Conference on Innovative Energy and Environmental Chemistry Engineering /6./. Sun Moon Lake (TW), 04.11.2018-07.11.2018]
    Grant CEP: GA TA ČR(CZ) TH03020119; GA MZe(CZ) QK1820175
    Institucionální podpora: RVO:67985858
    Klíčová slova: sewage sludge * recycling * pyrolysis char
    Obor OECD: Environmental sciences (social aspects to be 5.7)

    Sewage sludge is a significant source of phosphorus, listed as one of the critical raw materials in the European Union. Therefore, appropriate sewage sludge treatment should be chosen to attain optimal recycling of nutrients from the sludge. One of the most common options for the sludge disposal is its application on agricultural soil. In recent years, however, due to contents of POPs, various pharmaceuticals and harmful organic residues, there is ban on sludge disposal in agriculture. Alternatively, the sludge pyrolysis has been studied to dispose the sludge with possible subsequent use of solid pyrolysis residue (sludge-char) on soil. Due to thermal nature of pyrolysis process, the organic pollutants are decomposed and/or released from the solids, resulting in their significantly lower content. Because moisture is inherent part of sewage sludge, resulting in water vapor rich primary pyrolysis gas (mixture of condensable vapors and permanent gases), we studied the pyrolytic process of air dried, stabilized sewage sludge in helium inert atmosphere and the pyrolysis with the inert atmosphere enriched in water vapor. The main variable parameters of the pyrolysis were temperature and partial pressure of water vapor in the reactor. Results from the measurements enable comparison of mass and energy balances of the sludge pyrolysis experiments.
    Trvalý link: http://hdl.handle.net/11104/0290906

     
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