biogas modeling Articles

  • Biogas in Asia

    The development of biogas production and monitoring has had many twists and turns, from its early days in Germany to the heady days of support through the Clean Development Mechanism (CDM).   The fall in the price of carbon credits, which rewarded reduction in emissions of methane (CH4) - a potent greenhouse gas - and use of methane from waste as renewable energy, has hit Asia ...


    By Geotech

  • CHP efficiency for biogas

    Combined heat and power plant efficiency is a function of the conversion efficiency of the energy in the fuel gas to useful energy in the form of electricity and heat. A combined heat and power (CHP) plant is typically a reciprocating gas engine that uses the energy in the gas to drive a crank shaft. The crank shaft turns an alternator to ...


    By Clarke Energy

  • Biogas desulfurization and biogas upgrading using a hybrid membrane system – modeling study

    Membrane gas permeation using glassy membranes proved to be a suitable method for biogas upgrading and natural gas substitute production on account of low energy consumption and high compactness. Glassy membranes are very effective in the separation of bulk carbon dioxide and water from a methane-containing stream. However, the content of hydrogen sulfide can be lowered only partially. This work ...


    By IWA Publishing

  • AD and Biogas Technology Developments in UK

    The anaerobic Digestion and Biogas Association’s fourth annual trade show and conference — UK AD & Biogas 2013 — attracted a busy stream of visitors to Birmingham, England in early July, demonstrating a growing interest in this vibrant industry sector. The event included facility tours, conference sessions, workshops, free one-on-one consultations with industry experts, ...


    By BioCycle Magazine

  • What`s New? Biogas Power

    Technologies that connect the biogas line to the power line include cooling and clean up components, microturbines and reciprocating gas engines and control systems. TOP BILLING on the biogas to electricity stage typically goes to the microturbines and reciprocating gas engines. But in the theater of renewable energy from organics recycling, the show can’t go on without the supporting cast of gas ...


    By BioCycle Magazine

  • Modelling of anaerobic digester biogas production: case study of a pilot project in Morocco

    An anaerobic digestion pilot system was implemented in June 2010 in the Moroccan village of Dayet Ifrah. The input material consists of toilet wastewater and cattle manure. Biogas is produced under anaerobic conditions. It is used for heating and cooking. This biogas system could be an useful sanitation technology due to its ability to treat wastewater. The biogas system was monitored over 86 ...


    By IWA Publishing

  • "Four in one" model and the development of household biogas in northern China

    By reviewing the development of household biogas in China, one of the key factors which impeded the use of biogas in northern China was noted - how a biogas digester lives through the winter. In order to solve this problem, a model named "Four in one" has been proposed by some researchers. In this paper, this model, including its structure, technical features, and benefit was introduced and ...


    By Inderscience Publishers

  • Microturbines, Gas Engines Link Biogas to the Grid

    OPPORTUNITIES to produce electricity from methane are being improved continuously as manufacturers introduce new and upgraded equipment to address market needs and varying characteristics of raw biogas. In the renewable energy from organics recycling arena, the two primary types of electricity generation equipment are microturbines and reciprocating gas engines. This article provides a brief ...


    By BioCycle Magazine

  • Increasing biogas yield through addition of food waste

    1. Introduction The Moosburg wastewater treatment plant has one 634,008 gallons anaerobic digester, which was designed to process a maximum 23,775 gallons/day of activated sludge at 3.5% solids. The AD is currently processing 17,170 gallons/day of sludge and producing 39decatherms/day of energy from biogas. The operators would like to better utilize their anaerobic ...


    By Yield Biogas Solutions

  • Recovering energy from biogas emission: the case of Mariana Mantovana landfill (Italy)

    This paper deals with the analytic rating of the economic investment in an energy recovery plant for municipal waste, in relation to the estimate of its capability to exploit biogas production transformation, and sale of electricity production, and the Green Certificates. The approach entails the assessment of potential scenarios of biogas flare coming from its production forecasts, according to ...


    By Inderscience Publishers

  • Case study - Geotech’s portable and fixed biogas monitors give worldwide reliability

    Used in varied biogas applications in over 60 countries worldwide, these three examples from the Netherlands, Thailand and Czech Republic show how reliability, accuracy and simplicity of use are critical for Geotech’s anaerobic digestion (AD) customers’ business operations. Leading product quality is backed up by full after-sales care, through local support centres and full technical ...


    By Geotech

  • Spatial diffusion of biogas technology in Switzerland: a GIS-based multi-agent simulation approach

    In this paper, we study the viability and spatial diffusion of agricultural biogas technology in Switzerland by means of a multi-agent simulation model. The simulation process displays the estimated dissemination of biogas technology in the different regions of Switzerland over the period from 2006 to 2025, taking the varying circumstances for biogas use in each region explicitly into account. ...


    By Inderscience Publishers

  • Enrichment of biogas production from mixture of rubber seed cake and cow dung using TiO
    2
    catalyst and temperature

    Biomethanisation process of rubber seed cake and cow dung were influenced by the effect of catalyst, temperature and acetic acid. TiO2 catalyst was used for the study. The maximum biogas yield was obtained from the substrate mixed with 2% TiO2 at 40°C with constant stirring but the yield obtained was very insignificant in the absence of ...


    By Inderscience Publishers

  • An optimal energy allocation model using fuzzy linear programming for energy planning in India for the year 2020

    Development of an energy allocation model will help in the proper allocation of the energy sources in meeting the future energy demand in India. In this paper, an attempt has been made to develop a fuzzy-based linear programming optimal energy model that minimises the cost and determines the optimum allocation of different energy sources for the centralised and decentralised power generation in ...


    By Inderscience Publishers

  • Energy technologies for rural areas ? decentralised power generation through MARKAL modelling: a case study

    Due to shortage of power, extremely subsidised tariffs, poor financial recovery, long transmission lines, there exists a very poor demand-supply balance in the rural energy sectors of India. MARKAL bases analysis of a village-group in western India reveals that there is a potential of reducing the electricity demand by about 18% as compared to the business-as-usual case through adopting energy ...


    By Inderscience Publishers

  • Dreyer & Bosse deliver renewable energy CHP project to Sofia in Bulgaria

    The Sofia council decided to invest in renewable energy to make use of the many tons of biowaste (vegetative material),  20,000 tons per annum, from the waste removal collections that take place daily in Sofia and surrounding area. To make this possible it was decided to go for wet fermentation where the substrate or raw material ferments and the biogas is collected. After three weeks the ...


    By Wolf Power Systems GmbH

  • Waterschapsbedrijf Limburg (WBL) - case study

    Along with WBL Sustec has tested and lab researched  the continuous thermal hydrolysis of the surplusslib of the wastewater treatment plants Hoensbroek and Venlo. On this basis is determined the most optimal hydrolysis method. Then for nine months on pilot scale tests were carried out to the thermal hydrolysis and fermentation of the surplusslib. The tests confirmed that by thermal ...

  • Honduras: Generating bioenergy from polluting waste ...

    The idea came up during the latest Expobioenergía Workshop The baselines of this idea were drawn up during the Expobioenergía 2010 Workshop, “at some stage of the tour we made of the various companies and projects we had the chance to visit during the event”, explains Julio César Lucas, a member of the Honduran firm Quimys’ Oil S. de R.L. Following its visit ...

  • Renewable resource Trechwitz ORC - Case Study

    This plant has an electrical output of 800 kW and a thermal power of 760 KW. At the biogas plant in Trechwitz, an unconventional heat utilisation model was installed. The waste heat from the CHP unit is used to generate power in an ORC unit (Organic Rankine Cycle). The heat goes into an evaporator, and the operating liquid is converted into pressurised steam. The steam is depressurised by ...


    By Wolf Power Systems GmbH

  • Developing Decentralised Distributed Generation in Africa

    Many countries in the developed world created power generation networks based upon large centralised power generation stations with significant investment in power transmission and distribution networks. From the African context this has not happened yet there is a huge need to increase power generation capacity. The thought of addressing this through a small number of large gas, ...


    By Clarke Energy

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