Topic
Biogas
About: Biogas is a research topic. Over the lifetime, 28571 publications have been published within this topic receiving 498545 citations.
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01 Jan 2003
TL;DR: Anaerobic conversion of organic materials and pollutants is an established technology for environmental protection through the treatment of wastes and wastewater, and the end product is biogas, a mixture of methane and carbon dioxide, which is a useful, renewable energy source as mentioned in this paper.
Abstract: Anaerobic conversion of organic materials and pollutants is an established technology for environmental protection through the treatment of wastes and wastewater. The end product is biogas –a mixture of methane and carbon dioxide–, which is a useful, renewable energy source. Anaerobic digestion is a technologically simple process, with a low energy requirement, used to convert organic material from a wide range of wastewater types, solid wastes and biomass into methane. A much wider application of the technology is desirable in the current endeavours towards sustainable development and renewable energy production. In the 1980’s several projects were initiated in The Netherlands to produce biogas from wastes. Many projects were terminated due to insufficient economic viability. Currently, the production of methane from wastes is receiving renewed attention as it can potentially reduce CO2 emissions via the production of renewable energy and limit the emission of the greenhouse gas methane from especially animal manure. This trend is supported by the growing market demand for ‘green’ energy and by the substantial optimisation of anaerobic digestion technologies in the past decades, especially the development of modern ‘high rate’ and co-digestion systems.
185 citations
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TL;DR: In this paper, a mesophilic 0.058m3 trickle-bed reactor with an immobilized hydrogenotrophic enrichment culture was operated for a period of 8 months using a substrate mix of molecular hydrogen (H2) and biogas (36-42% CO2).
185 citations
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TL;DR: In this article, the authors evaluated the anaerobic treatability of municipal landfill leachate using lab-scale batch reactors (ASBR) at 35°C and found that about 83% of COD removed during the treatment was converted to methane.
185 citations
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TL;DR: In this article, a cane sugar mill was chosen in Cuba and four alternatives were designed for the by-product valorization, and the main characteristics of these alternatives were identified and quantified with the objective of identifying and quantifying the aspects which have the largest environmental impact of using by-products and wastes from the cane sugar process and suggest improvements in the systems.
184 citations
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TL;DR: The results showed that an overdose of calcium hydroxide achieved higher ammonia, phosphorus, chemical oxygen demand, suspended solids, and turbidity removal efficiency in the anaerobic digestion effluent pretreated by ammonia stripping.
184 citations