Soya straw bales combustion in high-efficient boiler

Repić, Branislav; Dakić, Dragoljub; Paprika, Milijana; Mladenovic, Rastko; Erić, Aleksandar

doi:10.2298/tsci0804051r

Cited by 10 publications

(13 citation statements)

References 6 publications

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“…Verified scientific results, realized during these investigations, were made throughout the preparation of master and doctoral theses [5][6][7][8][9], the publication of scientific papers in international journals, several are placed in references [10][11][12][13][14][15][16][17][18], as well as preparation of studies [4,19].…”

Section: Methodology Of the Development Process Of Combustion Of Solimentioning

confidence: 99%

Opportunities of solid renewable fuels for (co-)combustion with coal in power plants in Serbia

Radovanovic¹,

Jovanović²,

Erić³

2014

THERM SCI

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In the process of accession to the EU, Republic of Serbia will be obliged to achieve an appropriate share of renewable sources in primary energy consumption in addition to control the emission of carbon dioxide in order to comply with EU's energy policy. In this paper the potential of the production of the so called "green electricity" from biomass and waste in Republic of Serbia is shown with particular attention to the Electric Power Industry of Serbia, as the largest potential producer of electricity from renewable fuels. Based both on the available total quantity and heating value of non-hazardous solid waste material (municipal and industrial), the calculation of the total available energy potential of waste in Republic of Serbia (by regions) was performed for the state of the 2010 th and the projections of waste quantity growth until 2020 th . Also, for the same time period, the available amount of waste biomass suitable for (co-)combustion with coal was estimated, as the respective energy potential. The possible energy effects of (co-)combustion in power plants as well as reduced emissions of CO 2 with significant financial impact are demonstrated. Actually, this paper demonstrates necessity and techno-economic justification (co-)combustion of renewable fuel with coal in thermal power plants in Serbia. bustion for energy production. According to available statistics in the EU-27 biomass and waste account for 1/5 in the production of electricity from green sources including the production of hydro power plants [3]. The EU strategy in electricity production from waste and biomass in thermal power plants (TPP) of EU-27 aims to achieve about 11 % up to 2030 and it presents 7 % of total electricity produced (about 4.4 million GWh) [2].Although the available quantities of biomass present very significant potential, the biomass is sporadically used in several power stations in Serbia, but in quantities that have no influence on the energy balance of the country, while firewood is still almost entirely used for households heating on traditional inefficient way. When considering waste materials, which may also represent a significant domestic potential energy, the use of these materials in Serbia does not exist. Also, as in the neighboring countries, there is no organized collection, sorting and recycling of waste materials, besides the paper.This study indicates necessity and techno-economic justification co-firing of renewable fuel with coal in Electric Power Industry of Serbia (EPS) thermal power plants [4], where domestic solid renewable fuels from non-hazardous solid waste materials (municipal and industrial) and biomass wastes for obtaining heat and/or electricity are defined. Also, their quantities and annual potential energy that can be (co-)combustion with coal in EPS power plants up to 2020 were estimated. Radovanovi}, P. M., et al.: Opportunities of Solid Renewable Fuels for ... 632

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Section: Methodology Of the Development Process Of Combustion Of Solimentioning

confidence: 99%

Opportunities of solid renewable fuels for (co-)combustion with coal in power plants in Serbia

Radovanovic¹,

Jovanović²,

Erić³

2014

THERM SCI

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“…The initial set of analyses carried out in the research investigation conducted focused on the combustion of small, 40x50x80 cm straw bales in cigar burners. For the said purpose, an experimental, 75 kWth hot water boiler was designed and constructed [9]. The furnace was built entirely out of an insulating material providing favorable biomass combustion conditions.…”

Section: Introductionmentioning

confidence: 99%

Development of the Technology for Combustion of Large Bales Using Local Biomass

Repić¹,

Dakić²,

Erić³

et al. 2012

Sustainable Energy - Recent Studies

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In the process of production of different crop residues that occur in some species exceed three times the amount of crops produced. These residues can be baled and still used. Today in Serbia the producers of baled biomass are mainly farmers who receive biomass in baled form as by-products of primary production. In practice there are two basic types of bales: small square bales (0,40x0,50x0,80 m) and large cylindrical bales (ø1,80x1,20 m) or rectangular shape (0,80-1,20x0,70x1,50-2,50 m). Advantages and disadvantages of specific types of bales are the following [9]. Small conventional bales have many advantages: low cost of presses, binders moderate prices, the need for a smaller tractor, good storage, a favorable agreement on means of transport, simple disintegration and chopping by means of lower prices, the possibility of firing the entire bales and others. Deficiencies are inevitable manual operation, by hand using auxiliary storage means, a relatively high usage of the binder, the lower reliability than other presses etc.

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“…The use of lignocellulosic biomass as fuel has many environmental and economic advantages. Because, it is a cheap, clean and renewable source of energy [7]. In addition to social benefits, since the activities related to biomass production comes to creating jobs and obtained a consolidation of the rural population, which is being lost in Spain, with the consequences that entails.…”

Section: Introductionmentioning

confidence: 99%

Energetic Characterization of Lignocellulosic Biomass from Southwest Spain

Feria

Rivera

Ruiz³

et al. 2011

International Journal of Green Energy

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For energetic production, differents lignocellulosic biomass sources were characterized energetically along two years in Huelva (South-west region, in Spain). Then, the differents kinds of lignocellulosic biomass were evaluated and classified for using like fuel for electric power generation in the area.The groupings of the average humidity values and average gross heating values (over dry basis) of samples analyzed were made based on the type of material and in larger groups, were estimated the average values in subgroups. In areas dominated study samples related to the cultivation of eucalyptus account for 35% of the samples. The next group of materials is made up of different waste materials derived from agricultural crops (cotton, olive, corn, grapes), to 21.1%. The next group is derived from the cultivation of pine, with 18.0%, garden waste with 13.7% and fruit crop residues with 7.0%. Table 1 presents in descending order of average gross heating value, except for some individual samples from the bottom of the table.The 6-cluster scheme allowed us to classify the different groups of materials. Thus, cluster 1 in this scheme coincided with the Cinder and Coal Characteristic Group (60% of samples). Also, the gross heating value of cluster 2 differed by only 3.8% and 2.2% from the mean gross heating value for Pine Bark and Wet Marc, respectively. The gross heating value for cluster 3 differed by only 0.6% from that for the Pine derivatives with the lowest heating values (Sawdust, Sawmill Residues, Pine Grindings and Pine Splinters), and by 0.1% and 3.4% from those for the Eucalyptus derivatives with the highest values (Eucalyptus Splinters and Grindings, respectively). Cluster 4 was associated to Eucalyptus Bark, with a difference of only 1.3% from its mean gross heating value. Finally, the other clusters encompassed the different types of residues (Agricultural, Gardening, Fruit) and waste (Sewage

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Soya straw bales combustion in high-efficient boiler

Cited by 10 publications

References 6 publications

Opportunities of solid renewable fuels for (co-)combustion with coal in power plants in Serbia

Opportunities of solid renewable fuels for (co-)combustion with coal in power plants in Serbia

Development of the Technology for Combustion of Large Bales Using Local Biomass

Energetic Characterization of Lignocellulosic Biomass from Southwest Spain

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