Thermal Stabilization of Digesters of Biogas Plants by Means of Optimization of the Surface Radiative Properties of the Gasometer Domes

Bavutti, Matteo; Guidetti, L.; Allesina, Giulio; Libbra, Antonio; Muscio, Alberto; Pedrazzi, Simone

doi:10.1016/j.egypro.2014.01.141

Cited by 27 publications

(20 citation statements)

References 11 publications

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“…One of the most common methods of biomass processing is its direct combustion in special boilers or co-firing with unconventional energy carriers [4][5][6][7][8][9][10][11].The choice of the appropriate technology for biomass burning is strictly dependent on its parameters (chemical composition, ash content, volatiles, moisture, calorific value) and the form of fuel, in which it was previously processed. There are many installations of different power on the market, and among them two main combustion methods should be specified: combustion in bed, layer or stationary pile and combustion of biomass particles suspended or blown directly from the bottom, top or front to the boiler.Fuel can be fed continuously or in the form of disposable portions (non-continuous).In order to burn clean biomass, special boilers and furnaces are most often used, the method of use of which and the efficiency obtained are closely related to the type and quality of the combusted biofuel [12][13][14][15].…”

Section: Introductionmentioning

confidence: 99%

Impact of grinding coconut shell and agglomeration pressure on quality parameters of briquette

Dziedzic

Mudryk

Hutsol

et al. 2018

Engineering for Rural Development

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Abstract. In Poland, biomass is still considered as the basic source of renewable energy. Energy from biomass accounts for 15 % of global energy consumption, while in developing countries this share is higher. The main advantage of biomass is lower emissions of sulphur dioxide during combustion compared to fossil fuels. The main sources of biomass for production of low-processed solid biofuels, such as bales or chips and high processed pellets or briquettes, are plantations of energy plants. Energy plant species, possible to use as a raw material for the production of biofuels, are plants characterized by a high annual growth, resistance to diseases and pests, small habitat requirements and adaptation to the Polish climatic conditions. The paper presents the physico-chemical properties of coconut shells in terms of their energetic use. The results obtained are: humidity (9.4 %), calorific value (17308.68 J·g -1 ), low ash content (0.66 %) and volatile content (77.7 %) are comparable to those of biofuels available on the market. The work was also carried out to assess the effect of the shredding degree and the applied agglomeration pressure in the briquetting process on the quality characteristics of the obtained briquettes. For briquetting the raw materials the POR ECOMEC Junior Press was used. Tests were conducted for particulate matter on 8 and 12 mm sieves and for agglomerate pressure of 37 and 47 MPa. The obtained results showed that proper granulation of the raw material and application of appropriate agglomeration pressure improve the qualities of the briquettes.

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Section: Introductionmentioning

confidence: 99%

Impact of grinding coconut shell and agglomeration pressure on quality parameters of briquette

Dziedzic

Mudryk

Hutsol

et al. 2018

Engineering for Rural Development

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“…Substrates in the fermentation process is subject to the following transformations: reduction of content of organic substance, decomposition of odour generating compounds, solid particles defragmentation, improvement of dehydration ability and fractional hygienization with considerably low losses of fertilizer components [1,2].…”

Section: Introductionmentioning

confidence: 99%

Conceptual design of the mobile granulation line for production fertilizers from digestates and ash mixtures

et al. 2018

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Abstract. Paper presents a concept of the mobile line for the production of granulated fertilizer from digestates and ash mixtures. The main assumption of the designed line is its mobility which allows line work in the place of production of digestate. The premise for developing such model of line was the fact that the transport of highly hydrated digestate, as well as its dried form, is not advisable for economic reasons. More advantageous solution is to collect the digestate at the place of its production and it is processed into a fertilizer. Loose components, characterized by high bulk density, can be delivered to the place of production and the same means of transport can be used to transport the produced fertilizer to warehouse. This production model allows to process the digestate produced in several biogas plants, using one production line and reducing the cost of production. of fertilizer granules and the mobile line is transported to the next post-fermentation production point. Based on an analysis of the raw material characteristics and preliminary research on the raw materials mixture granulation process it was assumed that the stage of 3 hrs mixture stabilization time is required in the line.

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“…Most biogas digesters operate in the mesophilic temperature range (20° < t < 40 °C). For liquid manure undergoing fermentation in this temperature range (Bavutti et al 2014; SNV Domestic Biogas 2011), The following approximate retention times apply:…”

Section: Retention Timementioning

confidence: 99%

Advancement in Biogas Digester

Kumar

Mandal

Sharma

2015

Energy Sustainability Through Green Energy

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Biogas is a renewable energy source with different production pathways and various excellent opportunities to use. Biogas refers to a gas produced by anaerobic digestion (AD) or fermentation of organic matter including manure, sewage sludge, municipal solid waste, biodegradable waste, energy crops, or other biodegradable feedstock. Biogas is comprised primarily of methane and carbon dioxide. In this review, we discussed the worldwide status of biogas production, history of the biogas digester, classification of biogas digester, and their advantages and disadvantages. The government policies on the use of kitchen-waste-based digesters and the social and environmental effects of the digesters are also discussed. More subsidies need to be given and more initiatives need to be taken by the government. The government has many policies for biogas digester plants; however, lack of proper awareness among people inhibits the adaptation of technology.

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Thermal Stabilization of Digesters of Biogas Plants by Means of Optimization of the Surface Radiative Properties of the Gasometer Domes

Cited by 27 publications

References 11 publications

Impact of grinding coconut shell and agglomeration pressure on quality parameters of briquette

Impact of grinding coconut shell and agglomeration pressure on quality parameters of briquette

Conceptual design of the mobile granulation line for production fertilizers from digestates and ash mixtures

Advancement in Biogas Digester

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