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Detailed Analysis of Sewage Sludge Pyrolysis Gas: Effect of Pyrolysis Temperature.
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SYSNO ASEP 0531507 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Detailed Analysis of Sewage Sludge Pyrolysis Gas: Effect of Pyrolysis Temperature. Author(s) Moško, Jaroslav (UCHP-M) RID, ORCID, SAI
Pohořelý, Michael (UCHP-M) RID, ORCID, SAI
Skoblia, S. (CZ)
Beňo, Z. (CZ)
Jeremiáš, Michal (UFP-V) ORCIDArticle number 4087 Source Title Energies. - : MDPI
Roč. 13, č. 16 (2020)Number of pages 12 s. Language eng - English Country CH - Switzerland Keywords sewage sludge ; pyrolysis ; gas composition Subject RIV JE - Non-nuclear Energetics, Energy Consumption ; Use OECD category Energy and fuels Subject RIV - cooperation Institute of Plasma Physics - Non-nuclear Energetics, Energy Consumption ; Use R&D Projects QK1820175 GA MZe - Ministry of Agriculture (MZe) Method of publishing Open access Institutional support UCHP-M - RVO:67985858 ; UFP-V - RVO:61389021 UT WOS 000565960400001 EID SCOPUS 85090247454 DOI 10.3390/en13164087 Annotation Conventional methods of sewage sludge disposal are often limited by their environmental impact and economic demands. Pyrolysis has been studied as a viable method for sewage sludge disposal and transformation into usable products. Pyrolytic products may have various uses, and their complex characteristics shall be described to assess their potential for safe utilization. Here, we studied slow pyrolysis of stabilized sewage sludge in a fixed bed reactor at 400–800 °C to describe the composition of the pyrolysis gas and the condensate fraction. We found that condensate elemental composition was practically independent of pyrolysis temperature. On the other hand, the composition of the pyrolysis gas was strongly temperature-dependent regarding both the share of major components (H2, CO, CO2, CH4) and C2–C6 hydrocarbons speciation (which as a sum attributed to 7–9 vol. % of the gas). The increase in pyrolysis temperature also resulted in increasing the N2 content of the gas, whereas the sulfur containing gas compounds were substantially diluted in the increasing gas volume. Workplace Institute of Chemical Process Fundamentals Contact Eva Jirsová, jirsova@icpf.cas.cz, Tel.: 220 390 227 Year of Publishing 2021 Electronic address https://www.mdpi.com/1996-1073/13/16/4087
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