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Journal articles on the topic 'Pellet combustion'

Author: Grafiati

Published: 8 September 2021

Last updated: 21 June 2025

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1

Mostafa, Mohamed E., Hao Tang, Jun Xu, et al. "Experimental Study of Ignition and Combustion Characteristics of Mixed Rice Straw and Sewage Sludge Solid and Hollow Spherical Pellets in a Plasma Combustion System." Key Engineering Materials 797 (March 2019): 327–35. http://dx.doi.org/10.4028/www.scientific.net/kem.797.327.

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In this work, the ignition and combustion characteristics of mixed rice straw and sewage sludge pellets in air atmosphere were investigated using a plasma combustion system. One common pellet shape (solid spherical pellet) and another new shape (hollow spherical) are used in this study. High-speed camera was used to record and observe ignition and combustion process of pellets. In case of hollow pellets, the shape and distribution of flame are found to be better compared to solid pellets. Also, it is clear that the values of volatile combustion times in case of hollow pellets are low compared

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2

Zanetti, Michela, Benoît Brandelet, Diletta Marini, et al. "Vineyard pruning residues pellets for use in domestic appliances: a quality assessment according to the EN ISO 17225." Journal of Agricultural Engineering 48, no. 2 (2017): 99. http://dx.doi.org/10.4081/jae.2017.612.

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Nowadays many types of biomass are studied to satisfy the increased demand of renewable energy based on pellet combustion. However, only a few biomasses fulfil the high quality standard required for pellet used in domestic appliances. European and International standards in force define this quality of non-industrial use of pellets in term of the origin of biomass, physical, mechanical and chemical parameters. Vineyard residues are a worldwide potential source of energy but their compliance to be used in domestic pellet stoves has not been yet proven according to the new standards in force. In

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3

Wibowo, Wusana Agung, Ari Diana Susanti, and Paryanto Paryanto. "Characterization and Combustion Kinetics of Binderless and Bindered Dry Cow Dung Bio-Pellets." Equilibrium Journal of Chemical Engineering 8, no. 1 (2024): 19. http://dx.doi.org/10.20961/equilibrium.v8i1.83645.

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The effect of molasses addition as a binder in the manufacturing of cow dung bio-pellets on their characteristics and combustion kinetics have been studied. The bio-pellets characterization included the physical and mechanical properties as well as the proximate analysis and calorific values. Thermogravimetric analysis (TGA) was carried out using a macro-TGA apparatus under a non-isothermal conditions and an oxidative atmosphere to study the thermal decomposition characteristics. Then, the first order Coast and Redfern method was used to determined the kinetic parameters of bio-pellets combust

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4

Komitov, Georgi, Violeta Rasheva, and Ivan Binev. "Methodology for quickly determining the quality of pellets." SIMI 2019, SIMI 2019 (September 20, 2019): 207–14. http://dx.doi.org/10.21698/simi.2019.fp27.

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A methodology for quickly and easy determination the quality of pellets offered on the market is developed on the basis of "theory of graphs". The pellet quality assessment is performed in two ways - by direct control (non-destructive measurements) and by combustion. The following pellets parameters are determined at the direct control stage: friability, homogeneity, presence of dark stains and moisture content. The experimental measurement of following parameters of the combustion process is carried out at the stage of pellet burning assessment under real conditions: temperature in the combus

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5

Palma, Adriano, Francesco Gallucci, Salvatore Papandrea, et al. "Experimental Study of the Combustion of and Emissions from Olive and Citrus Pellets in a Small Boiler." Fire 6, no. 8 (2023): 288. http://dx.doi.org/10.3390/fire6080288.

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Agro-industrial activities generate a great amount of bioproducts as biomass residues containing energy and with potentially useful applications in the thermochemical conversion process. The management of this feedstock as uncontrolled combustion (“open burning”) can often be a problem within the supply chain for disposal practices, both in environmental and economic aspects. The residual matrices from agroforestry biomass processing can be treated to increase their energy levels and economic value. A widespread practice for sustainable disposal is the production of pellets from residual bioma

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6

Zlateva, Penka, Krastin Yordanov, Mariana Murzova, and Angel Terziev. "Consumer preferences for solid biomass fuels for energy purposes." International Journal of Renewable Energy Development 14, no. 1 (2024): 52–61. http://dx.doi.org/10.61435/ijred.2025.60473.

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A specialized marketing survey was conducted across wholesale markets, manufacturing enterprises, online platforms and retail stores in Bulgarian market to analyze consumer preferences for various types of pellets. The study aims to identify key factors influencing consumer choices, with a particular focus on pellet qualities like ash content and the impact of additives on the combustion process. Statistical analysis of the survey results reveals that manufacturing enterprises are the most preferred purchase channels due to the superior quality of their products, while pellets from online plat

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7

Jach-Nocoń, Marta, Grzegorz Pełka, Wojciech Luboń, Tomasz Mirowski, Adam Nocoń, and Przemysław Pachytel. "An Assessment of the Efficiency and Emissions of a Pellet Boiler Combusting Multiple Pellet Types." Energies 14, no. 15 (2021): 4465. http://dx.doi.org/10.3390/en14154465.

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With sustainable energy being the key to reaching climate neutrality, the utilization of non-wooden biomass is a necessity. This article compares the emissions and efficiency of combusting a number of types of agrobiomass and wood pellets. A comparison was made on a moving grate pellet burner mounted in a boiler, where flue gas had a vertical flow via two pass heat exchangers with turbulization elements. Tests were conducted on wood pellets (ENPlus), miscanthus straw pellets, sunflower husk pellets, and corn stover pellets. During combustion, both wood and miscanthus pellets met the PN-EN 303-

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8

Borggren, Jesper, Wubin Weng, Marcus Aldén, and Zongshan Li. "Spatially Resolved Temperature Measurements Above a Burning Wood Pellet Using Diode Laser-Based Two-Line Atomic Fluorescence." Applied Spectroscopy 72, no. 6 (2017): 964–70. http://dx.doi.org/10.1177/0003702817746996.

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Diode laser-based two-line atomic fluorescence (TLAF) thermometry applied to flames of combusting wood pellets is demonstrated. The temperature above burning wood pellets placed in the hot product gas of gallium seeded laminar flames is measured. The calibration-free technique provides spatially resolved temperatures in one dimension with sufficient temporal resolution to resolve all combustion stages of a pellet, even in highly sooting flames. The temperature above a burning pellet was found to decrease due to the release of volatile gases and the accuracy and precision of the technique is as

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9

Lustenberger, Daniel, Joris Strassburg, Tom Strebel, Fabienne Mangold, and Timothy Griffin. "Simulation Tool for the Development of a Staged Combustion Pellet Stove Controller." Energies 15, no. 19 (2022): 6969. http://dx.doi.org/10.3390/en15196969.

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Optimizing the combustion control concepts on a pellet stove with very low heat output is time-consuming and costly. In order to shorten the required laboratory test time, a 0-D transient tool was developed within the ERA-NET project “LowEmi-MicroStove”, which simulates a 4 kW pellet stove with staged combustion and heat transfer. This approach was chosen in order to greatly simplify the description of the combustion processes and so reduce the computational complexity and simulation time. The combustion of a bed of pellets is modeled as a superposition of the combustion cycles of individual p

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10

Jiang, Xuya, Weidong Cheng, Jianbiao Liu, et al. "Effect of moisture content during preparation on the physicochemical properties of pellets made from different biomass materials." BioResources 15, no. 1 (2019): 557–73. http://dx.doi.org/10.15376/biores.15.1.557-573.

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The influence of moisture content was investigated relative to the pellet forming process and the pellet properties. Three different types of raw biomass (pine sawdust, corn straw, and peanut shell) were pelletized by hot pressing at different moisture levels (12%, 14%, and 16%) in a pellet mill with horizontal and ring type dies to investigate its physical property indexes of durability, pellet density, and combustion performance. The results of the study showed that pellet density and heating value were related to the moisture content. The maximum pellet density of the fuel pellets of sawdus

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11

Liu, Jianbiao, Weidong Cheng, Xuya Jiang, Muhammad Usman Khan, Qingfa Zhang, and Hongzhen Cai. "Effect of extractives on the physicochemical properties of biomass pellets: Comparison of pellets from extracted and non-extracted sycamore leaves." BioResources 15, no. 1 (2019): 544–56. http://dx.doi.org/10.15376/biores.15.1.544-556.

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Physicochemical properties of biomass pellets were compared following their preparation from extracted and non-extracted sycamore leaves. The goal was to achieve high-quality biomass pellets. Batches of pellets were prepared at different moisture contents and pressure. The properties, including pellet density, diametric compressive strength, and combustion performance, were analyzed. Pellets produced from extracted leaves had higher pellet density (between 1125 and 1250 kg·m-3) compared to those made from non-extracted leaves. In addition, data of the combustion experiment showed more weight l

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12

Sadaghiani, Saghar, Fereshteh Mafakheri, and Zhi Chen. "Life Cycle Assessment of Bioenergy Production Using Wood Pellets: A Case Study of Remote Communities in Canada." Energies 16, no. 15 (2023): 5697. http://dx.doi.org/10.3390/en16155697.

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In remote communities of Canada, diesel is the primary source of electricity and heat. Promoting sustainable and diverse means of heat and power generation is essential to providing reliable and less carbon-intensive energy supply to remote communities. Among renewable energy sources in Canada, biomass is a major source of energy, with wood pellets being a notable contributor. In this study, using wood pellets in a remote community of Canada is investigated using life cycle analysis (LCA). Furthermore, wood pellet combustion is compared with diesel combustion, the most common fossil fuel in th

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13

Basok, Borys I., Svitlana M. Goncharuk, Victor P. Priemchenko, Oksana M. Lysenko, and Hanna M. Veremiichuk. "Research of thermotechnical characteristics of domestic boiler with a mechanical pellet burner." Environmental safety and natural resources 40, no. 4 (2021): 60–72. http://dx.doi.org/10.32347/2411-4049.2021.4.60-72.

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An experimental study of technologies for direct combustion of pellets in a domestic boiler was conducted. Experimental studies to determine the thermophysical characteristics of the process of burning pellet fuel in the bulk layer were performed using a pellet burner Pelletron-15.To determine the patterns of the process of burning pellets in the burner and the thermal characteristics of the domestic boiler with a pellet burner, studies of the temperature of the boiler volume at different modes of operation of the burner were performed. Temperature measurement was performed using HA-thermocoup

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14

Reyes, Felipe, Yeanice Vasquez, Ernesto Gramsch, Pedro Oyola, Bernhard Rappenglück, and María A. Rubio. "Photooxidation of Emissions from Firewood and Pellet Combustion Using a Photochemical Chamber." Atmosphere 10, no. 10 (2019): 575. http://dx.doi.org/10.3390/atmos10100575.

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The main emission source in Central and Southern Chilean cities is biomass combustion from residential heating and cooking due to old combustion technologies that are still widely utilized. In order to improve our understanding of biomass burning pollution and how it ages in the atmosphere, emissions from a pellet and wood stoves were studied with the aid of a photochemical chamber. Firewood combustion is an inefficient process that produces higher chamber loading of primary emission (gases and particles) compared to pellets. When these emissions are exposed to UV irradiation secondary particl

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15

Shi, Junrui, Yang Liu, Yongqi Liu, et al. "An experimental study on coflow diffusion combustion in a pellet-packed bed with different bed lengths." Royal Society Open Science 5, no. 8 (2018): 172027. http://dx.doi.org/10.1098/rsos.172027.

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In experimental investigations on axial symmetry, over-ventilated CH 4 /air diffusion combustion in a packed bed is executed to study the height, shape and stability of the flame. The combustor is a quartz tube packed with alumina pellets in which a cylindrical fuel stream is surrounded by a coflow air nozzle. The results show that the bed length and pellet diameter have a significant influence on the flame properties. In general, the flame above the pellet surface has axial symmetry, and its shape and colour are similar to those of a conventional diffusion flame when the bed length is smaller

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16

Vicente, Estela D., Márcio A. Duarte, Luís A. C. Tarelho, and Célia A. Alves. "Efficiency of Emission Reduction Technologies for Residential Biomass Combustion Appliances: Electrostatic Precipitator and Catalyst." Energies 15, no. 11 (2022): 4066. http://dx.doi.org/10.3390/en15114066.

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Residential biomass combustion has been pointed out as one of the largest sources of atmospheric pollutants. Rising awareness of the environmental effects of residential biomass combustion emissions boosted the development of different emission reduction devices that are currently available on the market for small-scale appliances. However, detailed studies on the efficiency of these devices in different combustion systems available in Southern European countries are lacking. In this study, two pollution control devices (catalytic converter and electrostatic precipitator) were tested in two di

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17

Subagyo, Rachmat. "Effect of Variation of Mixture (Wood Gelam+Rice Husk) on Bio-Pellet on the Value of Temperature, Rate and Pressure of Combustion." Civil and Environmental Science 005, no. 02 (2022): 159–70. http://dx.doi.org/10.21776/ub.civense.2022.00502.5.

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The increasing demand for energy causes the depletion of fuel fossil. To overcome this, it is necessary to utilize biomass and biomass waste. The purpose of this study was to simulate the effect of bio-pellet density on temperature, rate and pressure of combustion made from a mixture of gelam wood and rice husk. The method uses ANSYS simulation with literature review. The results showed that the increasing composition of rice husks had an effect on the decreasing combustion rate, this was due to the calorific value of the pellets making up the material. Where the lower calorific value of rice

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18

Ludín, David, Patrik Burg, Anna Krakowiak-Bal, and Vladimir Višacki. "The Possibilities of Using Marc for Manufacturing Pellets for Energy Purposes." Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis 64, no. 3 (2016): 841–46. http://dx.doi.org/10.11118/actaun201664030841.

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The contribution describe the possibilities of using marc for manufacturing pellets for energy purposes. Experiments associated with pellet production were performed in several variants. Biomass pellet variants consisted of different percentages of vine shoots from vineyards, as well as marc and hay. These test variants were measured for their calorific value, which ranged between 17.36 and 19.21 MJ.kg−1. Bulk density was also determined, ranging between 619.27 and 630.9 kg.m−3. Pellets produced with marc content were also tested for mechanical durability, which was between 96.15 and 96.82% fo

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19

Horváth, Jozef, Igor Wachter, and Karol Balog. "Combustion Gases And Heat Release Analysis During Flame And Flameless Combustion Of Wood Pellets." Research Papers Faculty of Materials Science and Technology Slovak University of Technology 23, no. 36 (2015): 17–24. http://dx.doi.org/10.1515/rput-2015-0002.

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Abstract With the growing prices of fossil fuels, alternative fuels produced of biomass come to the fore. They are made of waste materials derived from the processing of wood and wood materials. The main objective of this study was to analyse the fire-technical characteristics of wood pellets. The study analysed three dust samples acquired from wood pellets made of various types of wood biomass. Wood pellet dust is produced when manipulating with pellets. During this process a potentially hazardous situations may occur. Biomass is chemically composed mostly of hemicellulose, cellulose and lign

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20

Iryani, Dewi A., Isyaeboni Rakaseri, Azhar Azhar, Agus Haryanto, Wahyu Hidayat, and Udin Hasanudin. "Thermogravimetric assessment for combustion characteristic of torrefied pellet biomass from agricultural solid waste." IOP Conference Series: Earth and Environmental Science 1187, no. 1 (2023): 012019. http://dx.doi.org/10.1088/1755-1315/1187/1/012019.

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Abstract This present paper is focused on the investigation of combustion characteristics of torrefied pellet biomass from agricultural waste. Four biomass pellet samples such as sugarcane bagasse, Napier grass, Palm Empty Fruit Bunches, and Cassava stem were torrefied in a designed cylinder tubular pyrolysis reactor. The reactor was set up under 30 min of residence time, and the temperature reaction was varied at 200, 250, and 300 °C in an inert atmosphere. The torrefied products were then characterized in terms of their psychochemical properties such as proximate, ultimate, calorific value,

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21

Li, Wentao, Rongwei Yu, Lina Luo, and Hongying Shi. "Process Optimization of Pellet Manufacturing from Mixed Materials in Ultrasonic Vibration-Assisted Pelleting." Energies 17, no. 9 (2024): 2087. http://dx.doi.org/10.3390/en17092087.

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Achieving carbon neutrality and alleviating the rural energy predicament are crucial aspects in rural areas, particularly in the severe cold regions of northeast China. Pellets serve as clean, renewable energy sources and are ideal alternative fuels. This study investigated the influencing factors and effects of mixed raw materials in ultrasonic vibration-assisted pelleting (UV-A pelleting). Rice straw and corn stover were mixed to produce pellets, and a central composite rotatable design (CCRD) was conducted to analyze the variables and their interactions on pellet density and durability. Mat

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22

Jan, Malaťák, and Bradna Jiří. "Heating and emission properties of waste biomass in burner furnace." Research in Agricultural Engineering 63, No. 1 (2017): 16–22. http://dx.doi.org/10.17221/75/2015-rae.

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Utilization of waste suitable as a fuel for small combustion devices is a very important issue. Therefore, this article analyzes selected waste materials from agriculture and maintenance of municipal vegetation. The pellet samples from composting had very high ash content (22.39 and 36.85% wt.), which resulted in low values of net calorific value (12.66 and 10.24 MJ/kg), <br /> but also in bad properties of these samples in high concentration of harmful emission. Other problematic fuel samples were pellets from maintenance of city vegetation and reed canary grass, for which high concentr

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23

Li, Yining, Kang Kang, and Wei Wang. "Quality Improvement and Cost Evaluation of Pellet Fuel Produced from Pruned Fruit Tree Branches." Energies 15, no. 1 (2021): 113. http://dx.doi.org/10.3390/en15010113.

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Biomass-based pellet is an important source of renewable energy. In this study, to obtain the high-quality fuel pellet via the densification of pruned branches of fruit trees, we investigated the optimization of blending ratios for different raw materials using branches from jujube (Ziziphus jujuba Mill.), which is a widely distributed waste biomass resource in China. Through the characterization of raw materials and pellets, the effects of different raw materials on the storage, transportation, and combustion performances of the pellets can be understood. The cost evaluation analysis showed t

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24

Gasperini, Thomas, Andrea Pizzi, Lucia Olivi, Giuseppe Toscano, Alessio Ilari, and Daniele Duca. "Image Processing Technique for Enhanced Combustion Efficiency of Wood Pellets." Energies 17, no. 23 (2024): 6144. https://doi.org/10.3390/en17236144.

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The combustion efficiency of wood pellets is partly affected by their average length. The ISO 17829 standard defines the methodology for assessing the average length of sample pellets, but the method does not always lead to representative data. Furthermore, a standard analysis is time-consuming as it requires manual measurement of the pellets using a caliper. This paper, whilst evaluating the effect of pellet length on combustion efficiency, proposes a pending-patented dimensional image processing method (DIP) for assessing pellet length. DIP allows the dimensional data of grouped and stacked

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25

Nazemi, Mohiodin, Runar Unnthorsson, and Christiaan Richter. "Seaweed Pellets as a Renewable Fuel Feedstock." Biomass 3, no. 1 (2023): 78–95. http://dx.doi.org/10.3390/biomass3010006.

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Seaweed can be a desirable source of renewable energy or fuel after it has been processed by combustion, thermochemical conversion by gasification, pyrolysis, or hydrothermal liquefaction (HTL) or biochemical conversion routes like anaerobic digestion (AD). This work explores how well the measured properties of seaweed pellets match the specifications for the various fuel and energy conversion options listed. Blends of hay, wood chips, sawdust, and seaweed were pelletized. Eight pellet blends with dominant seaweed content and minimum acceptable mechanical strength and stability were produced a

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26

Irodov, Vyacheslav, Maksym Shaptala, Kostiantyn Dudkin, Daria Shaptala, and Halyna Prokofieva. "Development of evolutionary search algorithms with binary choice relations when making decisions for pellet tubular heaters." Eastern-European Journal of Enterprise Technologies 3, no. 8(111) (2021): 50–59. http://dx.doi.org/10.15587/1729-4061.2021.235837.

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A study was carried out and the optimization process was carried out for one of the types of equipment for autonomous heat supply using renewable resources – a tubular pellet heater. The research is expedient, since there is no mathematical model of the unit operation for the pellet combustion unit, there is only a set of experimental results indicating the inconsistency of the criteria presented to it. As a result of the research, new algorithms have been obtained: firstly, an algorithm for selecting (multi-criteria optimization) the operating mode of the unit for burning pellets of tubular h

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27

Vyacheslav, Irodov, Shaptala Maksym, Dudkin Kostiantyn, Shaptala Daria, and Prokofieva Halyna. "Development of evolutionary search algorithms with binary choice relations when making decisions for pellet tubular heaters." Eastern-European Journal of Enterprise Technologies 3, no. 8 (111) (2021): 50–59. https://doi.org/10.15587/1729-4061.2021.235837.

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A study was carried out and the optimization process was carried out for one of the types of equipment for autonomous heat supply using renewable resources – a tubular pellet heater. The research is expedient, since there is no mathematical model of the unit operation for the pellet combustion unit, there is only a set of experimental results indicating the inconsistency of the criteria presented to it. As a result of the research, new algorithms have been obtained: firstly, an algorithm for selecting (multi-criteria optimization) the operating mode of the unit for burning pellets of tub

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28

Jia, Guohai. "Combustion Characteristics and Kinetic Analysis of Biomass Pellet Fuel Using Thermogravimetric Analysis." Processes 9, no. 5 (2021): 868. http://dx.doi.org/10.3390/pr9050868.

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Biomass pellet fuel is one of the development directions of renewable energy. The purpose of the article is to study the combustion characteristics of five kinds of biomass pellet fuel that can be used as biomass fuel and analyze their combustion kinetics. The thermogravimetric method (TG method) was used to analyze the combustion characteristics of five kinds of biomass pellet fuel and to calculate the index S of comprehensive combustion characteristic. The Arrhenius equation and the Coats–Redfern method were used to analyze the combustion kinetics of five kinds of biomass pellet fuel. The ac

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29

El-Sayed, Saad A., and Mohammed Khairy Elsaid Mohamed. "Mechanical properties and characteristics of wheat straw and pellets." Energy & Environment 29, no. 7 (2018): 1224–46. http://dx.doi.org/10.1177/0958305x18772414.

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Wheat straw pellets can be easily handled, transported and stored with reduced costs as compared with the raw material. The effect of pelletization process and densification parameters on the properties of the mixture of wheat straw powder and 40% epoxy 1092 as a binder was investigated. The samples were compressed into pellets using the lab-scale hydraulic press under various compacting pressures of 10, 12 and 15 bars and different die shapes and sizes (two cylindrical dies with diameters 10 and 18 mm (S1, S2), respectively, and a new hexagonal die of side length (s) = 6 mm (S3)). It was foun

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30

Setyawan, Eko Yohanes, and Semuel Poumer Paepenan. "Utilization of Sengon Wood Sawdust as Bio-Pellet Feedstock: Characteristics, Potential, and Feasibility for Renewable Energy." Jurnal Polimesin 22, no. 4 (2024): 389. http://dx.doi.org/10.30811/jpl.v22i4.4916.

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The pellet-making process involves stages of drying, compaction, cooling, and size separation. Considering that Indonesia has great potential for biomass supply, this research aims to identify the characteristics of bio-pellets produced from sengon wood sawdust based on the pellet standard SNI8675:2018. The results showed that the highest calorific value at the Dry Basis (DB) condition was 4703 Kcal/kg, meeting national and international standards. The moisture content in the As Received (AR) condition was recorded at 10.36%, while the lowest ash content was 1.72%. The highest combustion rate

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31

Pudji Muljanto, Widodo, Lalu Mustiadi, and Kartiko Ardi Widodo. "EFFECT OF (CH2)N ON CHARACTERISTICS ORGANIC THE WASTE PELLET FUEL." Journal of Sustainable Technology and Applied Science (JSTAS) 4, no. 1 (2023): 1–5. http://dx.doi.org/10.36040/jstas.v4i1.5571.

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The effect of (CH2)n on the combustion characteristics of organic waste pellet fuel has been studied visually and experimentally at atmospheric pressure and temperature in the experimental room. Organic waste particles contain (C, O, Mg, Al, Si, Ca) and plastic bottle oil formed as polyethene (CH2)n. Based on the percentage mass ratio (1, 5, or 10 %), pellet fuel is made from polyethene and organic waste charcoal particles. The burning characteristics of the pellets were identified from the time and temperature signals of the flame by ignition of a shot under the junction of the thermocouple.

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32

Kaczyńska, Katarzyna, Konrad Kaczyński, and Piotr Pełka. "Experimental determination of a mass loss of biomass pellets at different temperatures of the combustion chamber combusted in a stream of inert material." E3S Web of Conferences 82 (2019): 01007. http://dx.doi.org/10.1051/e3sconf/20198201007.

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In the herein paper, research on the mass loss of biomass pellets is presented. The research was carried out on a specially constructed test stand. In the research three types of pellet fuels were used, which were made of oak sawdust, sunflower husk and straw. The research was carried out at three different temperatures of the combustion chamber: 850°C, 750°C and 650°C. The research was carried out without inert material and mass rate flow Gs=2,5kg/m2s and Gs=5kg/m2s. Quartz sand was the inert material. It was expected that an increase in the temperature prevailing in the combustion chamber wo

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33

Čajová Kantová, Nikola, Alexander Čaja, and Peter Hrabovský. "Aerosol Measurements Before and During Combustion of Various Pellets from Spruce Sawdust and Face Masks FFP2." MATEC Web of Conferences 369 (2022): 02005. http://dx.doi.org/10.1051/matecconf/202236902005.

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Aerosols in the atmosphere affect our health and quality of life. The most commonly measured property is their mass concentration. In this work was measured the mass concentration of aerosols by optical particle sizer in the range from 0.3 μm to 10 μm. It was realized in the laboratory with an automatic heat source for pellet combustion. Aerosols were firstly measured before the combustion process, then during combustion of three types of samples: pellets from pure sawdust, pellets from 5 % of disintegrated face masks FFP2 blended with spruce sawdust and from10 % of disintegrated face masks FF

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34

Schneider, Tanja, Dominik Müller, and Jürgen Karl. "Effect of Natural Ilmenite on the Solid Biomass Conversion of Inhomogeneous Fuels in Small-Scale Bubbling Fluidized Beds." Energies 15, no. 8 (2022): 2747. http://dx.doi.org/10.3390/en15082747.

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The application of oxygen carriers as alternative bed material in fluidized bed combustion originates from chemical lopping processes. They serve as oxygen transport agents undergoing consecutive redox cycles. Thereby, oxygen carriers can provide surplus oxygen in oxygen-lean areas of fluidized bed combustion processes. In turn, re-oxidation takes place in oxygen-rich reactor parts. A more homogeneous combustion and reduced CO emissions follow during steady-state operation. However, especially regarding solid biomass conversion, inhomogeneous fuel qualities result in transient combustion condi

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35

Yuliati, Lilis, and David Simanungkalit. "Pengaruh Variasi Arah Aliran Udara pada Stove terhadap Karak-teristik Pembakaran Wood Pellet." Jurnal Rekayasa Mesin 11, no. 3 (2020): 521–29. http://dx.doi.org/10.21776/ub.jrm.2020.011.03.24.

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This research was conducted to investigate the effect of inlet airflow direction on the combustion characteristics of a wood pellet stove. The direction of the airflow into the wood pellet stove is varied for four methods, namely inlet I, inlet II, inlet III, and inlet IV. At inlets, I, II, and III air is injected into the plenum in the radial direction with the injection points at r = -8, 0, and 8 cm respectively, whereas at inlet IV the direction of airflow into the plenum is in the axial direction with the injection point at r = 0. The combustion characteristics were observed in the wood pe

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Voronov, German V., and Il'ya V. Glukhov. "Single Pellet Heating in Natural Gas Combustion Products in Mixture with Air and Oxygen." Materials Science Forum 989 (May 2020): 480–85. http://dx.doi.org/10.4028/www.scientific.net/msf.989.480.

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Single pellet heating was considered at natural gas combustion product movement with oxidant flow coefficient of α=1.0 with air and oxygen in unconstrained volume. Physical parameters (density, dynamic and kinematic viscosity) and heat transfer properties (temperature, heat capacity, thermal conductivity, thermal diffusivity) of combustion products correspond to the average composition of gas delivered to the Ural region. Iron-ore pellet average properties were evaluated, based on major pellet plant data. Convection and radiant heat transfer coefficients were determined at pellet heating in na

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Hays, Michael, John Kinsey, Ingrid George, William Preston, Carl Singer, and Bakul Patel. "Carbonaceous Particulate Matter Emitted from a Pellet-Fired Biomass Boiler." Atmosphere 10, no. 9 (2019): 536. http://dx.doi.org/10.3390/atmos10090536.

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Biomass pellets are a source of renewable energy; although, the air pollution and exposure risks posed by the emissions from burning pellets in biomass boilers (BBs) are uncertain. The present study examines the organic species in fine particle matter (PM) emissions from an BB firing switchgrass (SwG) and hardwood (HW) biomass pellets using different test cycles. The organic and elemental carbon (OC and EC) content and select semivolatile organic compounds (SVOCs) in filter-collected PM were identified and quantified using thermal-optical analysis and gas chromatography–mass spectrometry (GC–M

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Dragutinović, Nataša, Isabel Höfer, and Martin Kaltschmitt. "Fuel Improvement Measures for Particulate Matter Emission Reduction during Corn Cob Combustion." Energies 14, no. 15 (2021): 4548. http://dx.doi.org/10.3390/en14154548.

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Fuel-related measures and modernization of small-scale combustion units has become the focus of attention in the renewable heat generation sector, as a means to promote local biomass utilization and fuel-flexibility while meeting strict environmental legislative requirements. With the aim to mitigate total particulate matter emissions and ash-associated problems characteristic of crop residue combustion, (1) corn cob pellets (with and without kaolin and binder) as well as (2) fuel blends with wood pellets were combusted in a pellet oven under full load. Results show that additivation or fuel b

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Krishnan, S., M. Nasrullah, and S. Mohamad. "Effect of Pellet Size and Adhesive Ratio on the Production of Kenaf Pellet as a Fossil Fuel." Journal of Chemical Engineering and Industrial Biotechnology 8, no. 1 (2022): 14–17. http://dx.doi.org/10.15282/jceib.v8i1.7782.

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This research presents an investigation on the pellet size and adhesive ratio towards the production of kenaf pellet. The examined operating parameters were pellet size (2 - 3 cm) and adhesive ratio (0 - 15 wt%). The sample was densified through hot and cold molding press machine at 130 °C and 7 MPa. The analysis of the pellet was done through scanning electron microscope (SEM) analysis, calorific value, and combustion analysis. SEM analysis was used to study the surface morphology of the different starch content in kenaf pellets. The best surface recorded was the pellet with a 2.5 cm diameter

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Barmina, I., A. Lickrastina, M. Zake, A. Arshanitsa, V. Solodovnik, and G. Telysheva. "Experimental Study of Thermal Decomposition and Combustion of Lignocellulosic Biomass Pellets / GRANULĒTAS LIGNOCELULOZES BIOMASAS TERMISKĀS SADALĪŠANĀS UN DEGŠANAS PROCESU EKSPERIMENTĀLIE PĒTĪJUMI." Latvian Journal of Physics and Technical Sciences 50, no. 3 (2013): 35–48. http://dx.doi.org/10.2478/lpts-2013-0018.

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The study is aimed at cleaner and more efficient heat energy production through investigation and analysis of the thermal decomposition of lignocellulosic biomass pellets with different elemental composition, the heating values and contents of hemicellulose, cellulose and lignin. The estimation is provided for the influence of biomass composition on the combustion characteristics for softwood, wheat straw and wheat straw lignin pellets. The kinetics of thermal decomposition was studied experimentally, using a pilot device for two-stage processes of thermochemical conversion including gasificat

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Suyoko, Muhammad, Kemas Ridhuan, and Untung Surya Dharma. "Karakteristik biopelet tempurung kelapa dan serbuk kayu sebagai bahan bakar alternatif." ARMATUR : Artikel Teknik Mesin & Manufaktur 1, no. 1 (2020): 8–16. http://dx.doi.org/10.24127/armatur.v1i1.185.

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Biomass is a solid waste derived from biological material that can be generated as fuel. Biomass includes plantation, agriculture, household, forest waste and waste from the wood industry, one of the uses of biomass is bio-pellet. Bio-pellet is an alternative type of energy in the form of solid fuel made from biomass raw material with a size smaller than the size of briquettes. In this research, raw materials from teak wood, acacia, and sengon wood powder were used as well as a mixture of coconut shell charcoal with tapioca adhesive. This study aims to determine the bio-pellet estimation analy

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Molenda, Marek, Józef Horabik, Piotr Parafiniuk, et al. "Mechanical and Combustion Properties of Agglomerates of Wood of Popular Eastern European Species." Materials 14, no. 11 (2021): 2728. http://dx.doi.org/10.3390/ma14112728.

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The objective of the reported project was to produce wood agglomerates from popular East European species to determine their strength and combustion properties. Closed-die pellets were produced from sawdust of six types of wood common on the East European market: pine, willow, oak, poplar, birch, and beech. The properties of pellets, determined by the type of wood, were influenced by the compaction pressure and the moisture content of the sawdust. The highest average pellet density was obtained for oak sawdust, while the lowest density was obtained for poplar pellets. Expansion of pellets afte

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Wang, Shuai, Yufeng Guo, Kuo Liu, et al. "The Deposit Formation Mechanism in Coal-Fired Rotary Kiln for Iron Ore Pellet Production: A Review." Crystals 11, no. 8 (2021): 974. http://dx.doi.org/10.3390/cryst11080974.

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The deposit-forming problem is one of the main bottlenecks restricting the yield and production benefit of iron ore pellets produced by coal-fired rotary kilns. In order to implement measures to ensure the efficient production of pellets by coal-fired rotary kilns, the mechanism and influencing factors on the deposit formation were reviewed. The pellet powder and coal ash come together to form the material base of the deposit. Meanwhile, the local reducing atmosphere caused by the continued combustion of residual carbon increases the FeO content, resulting in the formation of low-melting-point

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Lee, Hsu-Hua, and Chin-Mao Hsu. "Total Quality Management Enhances Wood Pellet Utilization for Sustainable Energy." Sustainability 17, no. 4 (2025): 1562. https://doi.org/10.3390/su17041562.

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The global transition to renewable energy has accelerated the adoption of wood pellet biomass as a sustainable alternative to fossil fuels. This study explores the role of Total Quality Management (TQM) in optimizing wood pellet utilization for sustainable energy production. By integrating TQM principles—including process optimization, supply chain management, and technological innovation—enterprises can enhance production efficiency, ensure consistent pellet quality, and reduce carbon emissions. Compared to coal, wood pellets offer a lower-emission fuel alternative, with a calorific value of

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Haobin, Peng, Yuesheng Li, Yunquan Li, Fangyang Yuan, and Guohua Chen. "Experimental Investigation of Combustion Kinetics of Wood Powder and Pellet." Journal of Combustion 2018 (September 2, 2018): 1–7. http://dx.doi.org/10.1155/2018/5981598.

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The combustion kinetic characteristics of wood powder and pellet were investigated within thermogravimetric analyser (TGA) and tube furnace system. The kinetic parameters of these two different forms of woody fuel were measured and derived by double-step-and-double-equal and isothermal method, respectively. The results showed that the combustion mechanisms of wood powder kept consistent through the whole process, while the combustion mechanisms of wood pellet differed significantly between the volatile and char combustion stages. The most probable mechanism functions of the two different forms

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Lysenko, O. M., H. M. Veremiichuk, and O. A. Siryi. "RESEARCH OF BURNING OF AGRICULTURAL PELLETS IN BOILERS WITH CAPACITY UP TO 25 kW." Thermophysics and Thermal Power Engineering 46, no. 3 (2022): 99–108. http://dx.doi.org/10.31472/ttpe.3.2022.10.

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The main purpose of this research is to determine the main dependence’s of the agricultural pellets combustion process and to study the influence of regime parameters on the distribution of temperatures in the combustion chamber, as well as to analyze the biofuels productivity characteristics. Research methods: experimental and theoretical. Results. The research of biofuel combustion process was carried out at the experimental facility of solid fuel boiler with a pellet burner for a passive type house heating. During experimental researches samples of wood pellets, rapeseed pellets

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Duranay, Neslihan. "CO2 emission from combustion of lignite, waste plastics and biomass mixture pellets." Chemical Industry and Chemical Engineering Quarterly 25, no. 3 (2019): 239–46. http://dx.doi.org/10.2298/ciceq180921002d.

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Combustion is a familiar technique for disposal of urban wastes such as plastics when their recycling is impractical. It offers energy recycling and waste diminution. In this paper, combustion behaviours of blend pellets composed of binary and triple mixtures of plastic wastes, biomass and lignite in a laboratoryscale fixed-bed combustion system were examined. The materials chosen as waste plastic, biomass and lignite were, respectively, market plastic bags, furniture plant waste powder and Bing?l Karl?ova lignite. The effect of varied blend pellet composition on the combustion behaviour and C

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Toscano, Giuseppe, Elena Leoni, Carmine De Francesco, Giacomo Ciccone, and Thomas Gasperini. "The Application of Image Acquisition and Processing Techniques for the Determination of Wooden Pellet Length as an Alternative to ISO 17829." Resources 12, no. 10 (2023): 125. http://dx.doi.org/10.3390/resources12100125.

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Global market developments of wooden pellets have led to an increased attention towards pellet quality. ISO 17829 defines the procedure to assess pellets’ geometrical parameters, which play a key role in pellet overall quality. For instance, pellet length influences the spatial arrangement within the stove brazier, affecting the interaction between combustion air and solid biofuel, thus affecting CO emissions. The ISO 17829 method is time-consuming and affected by the operator’s accuracy. Recent studies have investigated the application of new methods, such as image processing, for monitoring

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Wahyu Abdul Rahman, Intan Fajar Suri, Indra Gumay Febryano, Bagus Saputra, Duryat, and Wahyu Hidayat. "Optimizing calliandra (Calliandra calothyrsus) biomass pellets: Impact of particle size and bark composition." Global Forest Journal 2, no. 02 (2024): 133–46. http://dx.doi.org/10.32734/gfj.v2i02.15735.

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Calliandra biomass pellets offer a promising alternative energy source to replace fossil fuels. Typically, these pellets are produced by directly processing the stem and bark of the calliandra (Calliandra calothyrsus) plant without separation, aiming for manufacturing efficiency. This study investigated the quality differences between calliandra biomass pellets with and without bark and varying particle sizes. Particle sizes used were 20 mesh, 40 mesh, and 60 mesh. The pellets were made using a 12 mm diameter biomass pellet mold and a manual hydraulic press with a pressure of 3 tons. Character

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Basok, B., B. Davydenko, L. Kuzhel, O. M. Lysenko, and A. Veremiichuk. "Experimental studies of burning plant pellets in a domestic boiler." Ventilation, Illumination and Heat Gas Supply 37 (April 1, 2021): 13–23. http://dx.doi.org/10.32347/2409-2606.2021.37.13-23.

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In recent years, biofuels have increasingly been used as fuel in Ukraine. Ukraine is an agro-industrial country with great potential for the production and use of pellets of plant origin. Our country ranks 6th in the world for the production of such biofuels as pellets, but most of them (about 85 %) are exported abroad. This is due to the low demand for pellets in the domestic market. Cereal straw can be used in municipal energy. The amount of straw left after harvest is sufficient for its use as fuel. This biofuel in its composition and calorific value is close to such traditional fuels as wo

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