期刊
ENERGY
卷 63, 期 -, 页码 161-167出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.energy.2013.09.017
关键词
Biogas; Landfill; Volatile organic compounds; Chlorine content; Halogenated compounds
资金
- Spanish Ministry of Education and Science [CTQ2008-05520]
- Valencian Community Government (Spain) [PROMETEO/2009/043/FEDER]
An exhaustive characterization of the biogas from some waste disposal facilities has been carried out. The analysis includes the main components (methane, carbon dioxide, nitrogen and oxygen) as well as trace components such as hydrogen sulphide, ammonia and VOCs (volatile organic compounds) including siloxanes and halogenated compounds. VOCs were measured by GC/MS (Gas Chromatography/Mass Spectrometry) using two different procedures: thermal desorption of the Tenax TA and Carbotrap 349 tubes and SPME (Solid Phase Micro-Extraction). A method has been established to measure the total halogen content of the biogas with the AOX (adsorbable organically bound halogens) technique. The equipment used to analyze the samples was a Total Organic Halogen Analyzer (TOX-100). Similar results were obtained when comparing the TOX (Total Organic Halogen) values with those obtained by GC/MS. The halogen content in all the samples was under 22 mg Cl/Nm(3) which is below the limit of 150 mg/Nm(3) proposed in the Spanish Regulations for any use of the biogas. The low chlorine Content in the biogas studied, as well as the low content of other trace compounds, makes it suitable for use as a fuel for electricity generating engines. (C) 2013 Elsevier Ltd. All rights reserved.
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