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56 results for “methane”
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Research ArticleOpen accessIn the keywordsEvaluation the Anaerobic Digestion Performance of Organic Waste from a Landfill in MoroccoFatima Ebich, Rajae Ramdan, Azzouz EssamriOrganic household waste has a high organic content (69 g/kg), value of pH equal to 6,3 with 94% of moisture. Anaerobic digestion is one of the technologies for recycling and stabilization of organic waste, the process is carried out in 3L reactor at semi continuous and mesophelic conditions. During the anaerobic digestion of OHW, pH was around neutrality (between 6,5 … …American Journal of Environmental Sciences, Vol. 13, Issue 5 · 5 Oct 2017 · 7,998 accessesView PDFCite
InvestigationOpen accessIn the keywordsRecovered Gases and Bacteria from the Clostridium Genus as Ecological Condition Indicators of Bottom Sediments of the Eastern Donbass Small RiversRoman Gennad'yevich Trubnik, Yuriy Aleksandrovich Fedorov, Ludmila Anatol'yevna NedosekaThe results of determination of methane, total hydrogen sulfide and sulfite reducing clostridia in bottom sediments of small rivers and reservoirs of the Eastern Donbass are presented. The horizontal and vertical distribution of levels of reduced gases in bottom sediments is analyzed. The ecological condition of the bottom sediments was estimated by the clostridia titer and the methane index. The … …OnLine Journal of Biological Sciences, Vol. 17, Issue 3 · 27 Jul 2017 · 7,100 accessesView PDFCite
Research ArticleOpen accessIn the keywordsINCREASING ANAEROBIC DIGESTION PERFORMANCE OF WASTEWATER WITH CO-DIGESTION USING DECANTER CAKEThaniya Kaosol, Narumol SohgrathokLow biogas production in the frozen seafood wastewater anaerobic digestion is observed due to the low organic and Total Solids (TS) contents in the wastewater. In this research the decanter cake will be used in the anaerobic co-digestion process to improve the biogas production rate. The effect of co-digestion and Hydraulic Retention Time (HRT) will be investigated using the continuously … …American Journal of Environmental Sciences, Vol. 10, Issue 5 · 22 Sep 2014 · 7,359 accessesView PDFCite
Research ArticleOpen accessIn the keywordsBIOGAS PROCTION FROM ANAEROBIC CO-DIGESTION OF COW DUNG AND ORGANIC WASTES (NAPIER PAK CHONG I AND FOOD WASTE) IN THAILAND: TEMPERATURE EFFECT ON BIOGAS PRODUCTLertluck Saitawee, KanokornHussaro, Sombat Teekasap, Noppadon CheamsawatBiogas production has been attracting increasing attention as a biofuel of the future because biogas technology not only constitutes a biofuel source, but also can be applied in the various environmental pollutants. Anaerobic digestion of high solid slurries (such as food waste and cow dung) is typically performed in continuously reactor (by force substrate flow) to avoid problems with a … …American Journal of Environmental Sciences, Vol. 10, Issue 2 · 1 Apr 2014 · 8,141 accessesView PDFCite
Research ArticleOpen accessIn the keywordsEFFECT OF WITH/WITHOUT AGITATIONOF AGRICULTURAL WASTE ON BIOGAS PRODUCTION FROM ANAEROBIC CO-DIGESTION-A SMALL SCALENaphon Keanoi, KanokornHussaro, Sombat TeekasapThe growing worldwide concerns over environment, health and monetary aspects have triggered a search for efficient and economic renewable sources of energy production. Agricultural sector holds the potential for development of one of the major source of renewable energy such as biogas. In this study, CSTR-small scale fermentation (200 L stainless steel) was studied to observe the effect of stirring … …American Journal of Environmental Sciences, Vol. 10, Issue 1 · 4 Mar 2014 · 7,526 accessesView PDFCite
Research ArticleOpen accessIn the keywordsThe Effect of Natural Water with Cow Dung and Agricultural Waste Ratio on Biogas Production from Anaerobic Co-DigestionNaponKeanoi, KanokornHussaro, Sombat TeekasapGlobal warming caused by energy generation from fossil fuel has accelerated the deployment of renewable fuels such as biogas. In this study, batch fermentation (5L) was studied to observe the effect of natural water, cow dung, rice straw and water hyacinth ratio on the biogas and methane production at ambient temperature (31°C), 7.1-7.4 of pH for 52 days. The five … …American Journal of Environmental Sciences, Vol. 9, Issue 6 · 22 Jan 2014 · 8,508 accessesView PDFCite
Research ArticleOpen accessIn the keywordsAnaerobic Transformation of Biodegradable Waste; Simultaneous Production of Energy and FertilizerAmirhossein Malakahmad, Syazana Nasrudin, Noor Ezlin Ahmad Basri, Shahrom Md ZainAlmost 40% of the total waste produced in developing countries is made of biodegradable waste. Typically the waste including the biodegradable portion is transported to the so-called landfills without any segregation process, treatment and utilization in advance. Although mitigation practices such as source reduction, reuse and recycle are essential and required to be practiced in any integrated waste management plan, … …American Journal of Environmental Sciences, Vol. 9, Issue 2 · 10 Mar 2013 · 7,376 accessesView PDFCite
Research ArticleOpen accessIn the keywordsEmission Factors of CH4 and CO2 Emitted from VehiclesSutthicha Nilrit, Pantawat Sampanpanish, Surat BualertThe study of the Emission Factors (EF) of methane (CH4) and Carbon Dioxide (CO2) emitted from vehicle exhaust is the study of greenhouse gases that are crucial to climate change. These gases are part of a fuel known as Compressed Natural Gas (CNG) or as Natural Gas for Vehicles (NGV) in Thailand. This fuel is used as an alternative to … …American Journal of Environmental Sciences, Vol. 9, Issue 1 · 29 Jan 2013 · 8,199 accessesView PDFCite
Research ArticleOpen accessIn the keywordsEffect of Diurnally Cyclic Temperature on the Performance of a Continuous Mix Anaerobic DigesterAbdel E. Ghaly, Mariam T. Al HattabProblem statement: Concentrated livestock production is a major contributor to environmental problems through the production of large quantity of husks on relatively small land area. Anaerobic digestion represents a valuable means of cover by these husks into methane while reducing manure pollution problems. Methodology: An experimental apparatus, including data acquisition and control system, was developed and used to investigate the … …American Journal of Biochemistry and Biotechnology, Vol. 7, Issue 4 · 19 Jan 2012 · 9,226 accessesView PDFCite
Research ArticleOpen accessIn the keywordsEffect of Microwave and Ultrasonic Pretreatments on Biogas Production from Anaerobic Digestion of Palm Oil Mill EffleuntN. Saifuddin, S A. FazliliProblem Statement: Oil palm production is a major agricultural industry in Malaysia. In 2006, palm oil mills in Malaysia produced more than 58 million tonnes of Palm Oil Mill Effluent (POME). Existing treatment in a series of open lagoons at high ambient temperatures, results in the uncontrolled production of methane and carbon dioxide, which are both green house gases (GHGs). … …American Journal of Engineering and Applied Sciences, Vol. 2, Issue 1 · 31 Mar 2009 · 8,986 accessesView PDFCite