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Journal articles on the topic 'Coal briquette'

Author: Grafiati

Published: 4 June 2021

Last updated: 26 July 2025

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1

wondimagegn, Getachew Hailu. "Adaptation and Evaluation of Pellet Press Briquette Machine." Irish Interdisciplinary Journal of Science & Research 07, no. 01 (2023): 75–82. http://dx.doi.org/10.46759/iijsr.2023.7111.

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A good substitute for coal, lignite, and firewood is briquetted fuel made from agricultural leftovers. Compared to loose agro-residues, which have a specific density of 60 to 180 kg/m3 , briquettes have a high (1200–1450 kg/m3 ). Briquettes are formed right where they are made, thus reducing air pollution. In this work, a sawdust and coffee husk briquetting machine is redesigned and built. In this work, briquettes (solid fuels) were made using a screw-type briquetting to compress sawdust and coffee husk at different ratios. An effective densification technique that is suitable for small-scale

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2

Sing, Chin Yee, and Mohd Shiraz Aris. "The Effect of Mixing Coal with Biomass in Solid Fuel Briquettes." Advanced Materials Research 856 (December 2013): 338–42. http://dx.doi.org/10.4028/www.scientific.net/amr.856.338.

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Burning fossil fuel like coal in power plants released carbon dioxide that had been absorbed millions of years ago. Unfortunately, excessive carbon dioxide emission had led to global warming. Malaysia, as one of the major exporters of palm oil, has abundant oil palm mill residues that could be converted into value-added product like biomass fuel briquettes. Fuel briquette with palm kernel shell and palm mesocarp fibre as its main ingredients showed satisfactory fuel characteristics and mechanical properties as a pure biomass fuel briquette. The effects of adding some coal of higher calorific v

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3

Widodo, S., N. Asmiani, N. Jafar, et al. "The effect of raw material composition of mixed carbonized canary shell and coal bio briquettes on caloric value." IOP Conference Series: Earth and Environmental Science 921, no. 1 (2021): 012027. http://dx.doi.org/10.1088/1755-1315/921/1/012027.

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Abstract The fuel consumption rate rises and is expected to increase continuously, causing fuel supplies to be depleted and this condition forces the community to find alternative sources of fuel such as bio-briquettes. The waste of canary shells is widespread in Indonesia and can be used as an alternative energy source of bio-briquette making. There is a need for study on the influence of raw materials bio-briquette mixture of coal and canary shells against the value of calories produced. Bio-briquette making in this study have been done using canary shell and coal with a composition: (250 gr

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4

Qi, Juan, Jianjun Wu, and Lei Zhang. "Influence of Molding Technology on Thermal Efficiencies and Pollutant Emissions from Household Solid Fuel Combustion during Cooking Activities in Chinese Rural Areas." Symmetry 13, no. 11 (2021): 2223. http://dx.doi.org/10.3390/sym13112223.

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Resident combustion of solid fuel has been widely acknowledged as a high potential for pollutant reduction. However, there is a marked asymmetry between more pollutant emission and less burned volatiles of biomass and coal in the combustion process. To study the solid fuel optimum combustion form in a household stove, both the pollution reduction and energy efficient utilization of crop straws and coals were investigated. Taking the molding pressure and clay addition ratio as variable process conditions, the research of bio-coal briquette (made from the mixture of anthracite and biomass) was i

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5

Salisu, Ayuba, Ibrahim Badaru Aabdulazeez, Salisu Bashir, and Abubakar Danyaya Haruna. "Comparative Analysis of Briquettes Burning Efficiency and Characteristics of Coal (Briquette), Rice Husk & Coal (Briquette) and Maize Cob, Rice Husk & Coal (Briquette)." Comparative Analysis of Briquettes Burning Efficiency and Characteristics of Coal (Briquette), Rice Husk & Coal (Briquette) and Maize Cob, Rice Husk & Coal (Briquette) 8, no. 11 (2023): 5. https://doi.org/10.5281/zenodo.10389945.

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Maize cob, rice husk and coal (agricultural waste) were collected, grounded and sieved thoroughly and mixed with Arabic Gum (binding agent) and water in different composition and compressed into cylindrically shaped briquettes then sun dried.Based on the composition used in this research work, the briquettes produced were classified as: Pure briquettes and mixed briquettes. Pure briquettes are briquettes produced with pure agricultural waste (100% composition) i.e pure Coal briquette and pure Rice husk briquette. These was represented as briquettes A and B respectively. Mixed briquettes were p

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6

Getachew, Hailu wondimagegn, and Abubeker Edao Shemsedin. "Adaptation and Evaluation of Pellet Press Briquette Machine." Irish Interdisciplinary Journal of Science & Research (IIJSR) 7, no. 1 (2023): 75–82. https://doi.org/10.46759/IIJSR.2023.7111.

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A good substitute for coal, lignite, and firewood is briquetted fuel made from agricultural leftovers. Compared to loose agro-residues, which have a specific density of 60 to 180 kg/m3, briquettes have a high (1200–1450 kg/m3). Briquettes are formed right where they are made, thus reducing air pollution. In this work, a sawdust and coffee husk briquetting machine is redesigned and built. In this work, briquettes (solid fuels) were made using a screw-type briquetting to compress sawdust and coffee husk at different ratios. An effective densification technique that is suitable for small-sc

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7

Artykbayeva, A. B., A. O. Zhapekova, B. U. Rakhimova, M. I. Tulupov, Zh B. Kudiyarova, and Zh Amir. "Study of diffusion areas of investigation of combustion of a briquette with air channels." Novosti nauki Kazahstana 152, no. 1 (2022): 28–33. http://dx.doi.org/10.53939/15605655/2022_1_28.

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The main reasons for production of coal briquettes with air channels are based on changing the diffusion flows of the oxidizer and increasing the number of volatile. The yield of volatile substances, in turn, depends on the amount of water, which, as it evaporates, can significantly increase the amount of volatile substances. Coal briquettes made of substandard coal with binders have been studied. Visual observations after the addition of starch showed the level of coating of the briquette. In particular, an increase in the amount of starch up to 50% in the composition of the coal briquette al

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8

Zheng, Heng, Wei Wang, Runsheng Xu, Rian Zan, Johannes Schenk, and Zhengliang Xue. "Effect of the Particle Size of Iron Ore on the Pyrolysis Kinetic Behaviour of Coal-Iron Ore Briquettes." Energies 11, no. 10 (2018): 2595. http://dx.doi.org/10.3390/en11102595.

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High reactivity coke is beneficial for achieving low carbon emission blast furnace ironmaking. Therefore, the preparation of highly reactive ferro-coke has aroused widespread attention. However, the effects of the particle size of iron ore on the pyrolysis behaviour of a coal-iron ore briquette are still unclear. In this study, the effect of three particle sizes (0.50–1.00 mm, 0.25–0.50 mm and <0.74 mm) of iron ore on the thermal and kinetic behaviours of coal-iron ore briquettes were investigated by non-isothermal kinetic analysis. The results showed that the synergistic effect of iron ore

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9

Xu, Bang, Mo Chu, Ai Bang Hong, and Feng Ling Zhang. "Comparative Study on Pyrolysis Characteristics of Lignite Binderless Briquette and Raw Coal." Applied Mechanics and Materials 318 (May 2013): 303–7. http://dx.doi.org/10.4028/www.scientific.net/amm.318.303.

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The article studies the pyrolytic properties of the binderless hot-briquetted lignite in East Mongolia during the process of middle-temperature and low-temperature pyrolysis, mainly on the law of semi-coke characteristics and the tar extracts, pyrolysis water, gas velocity, gas contents at different temperature, meanwhile compared the pyrolysis characteristics of the raw coal and briquette. The research shows that as the temperature increasing, the semi-coke yield obtained by pyrolysis of lignite briquette is nearly 6% higher than raw coal, Tar releasing is approximately equal to raw coal, the

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10

Aliyu, Aminu Safana, Abdullah N, and Tasiu Zangina. "A Comparative Study On The Heat Release During The Combustion Of Coal And Oil Palm Biomass Charcoal Briquette Via Thermogravimetric Analysis (TGA)." International Journal of Biomass and Renewables 8, no. 2 (2019): 1. http://dx.doi.org/10.61762/ijbrvol8iss2art6244.

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The world is seriously searching for an alternative to fossil fuels due to their tremendous environmental effect. However, renewable energy sources such as solar, wind, hydropower, and biomass were anticipated to be alternative energies. In this study, the amount of heat generated from the combustion of coal and charcoal briquettes derived from oil palm biomass was investigated and compared. Charcoal briquettes were made from the biochar obtained after the pyrolysis of empty fruit bunches (EFB) and mesocarp fibre (MF). Coal and charcoal briquettes were subjected to combustion via thermogravime

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11

Tulepov, M. I., L. R. Sassykova, A. R. Kerimkulova, et al. "Preparation of Coal Briquettes and Determination of Their Physical and Chemical Properties." Oriental Journal of Chemistry 35, no. 1 (2019): 180–85. http://dx.doi.org/10.13005/ojc/350120.

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The purpose of this study was to prepare briquettes based on coal from the Oy-Karagay deposit (Kazakhstan) and polymers, and to determine their physicochemical and technological properties. Coal briquettes were prepared according to the classical technology, which consists of grinding coal, drying it to a certain moisture, mixing with binders, heating the coal charge, pressing and cooling. It was found that mechanical dispersion of coal briquette with PET does not cause the destruction of aggregates. After the briquette calcination the main phase remains the amorphous carbon phase with the min

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12

Zhang, Xiao Bo, Li Qin You, and Tian Gui Wang. "Preparation of Domestic Honeycomb Briquette from Corn Stover and Coal." Advanced Materials Research 535-537 (June 2012): 2123–26. http://dx.doi.org/10.4028/www.scientific.net/amr.535-537.2123.

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In order to find new ways to utilize agricultural residues corn stover, mixing corn stover, clay and coal to make coal-biomass honeycomb briquette was studied. The effects of shape-forming pressure, biomass proportion, binder’s dosage were investigated by orthogonal experiments. The results show that the factor’s levels have no significant influence on the combustion time of coal-biomass honeycomb briquette. Further experiments indicate that to make coal-biomass briquettes qualified for substituting the marketed coal briquettes the amount of corn stover can reach to 20 percent of the briquette

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13

Gao, Mingxing, and Yongli Liu. "Experimental Study on the Influence of Moisture Content on the Mechanical Properties of Coal." Geofluids 2021 (July 30, 2021): 1–9. http://dx.doi.org/10.1155/2021/6007410.

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Water injection in coal seams will lead to the increase of moisture content in coal, which plays an essential role in the physical and mechanical properties of coal. In order to study the influence of moisture content on the mechanical properties of soft media, the forming pressure (20 MPa) and particle size ratio (0-1 mm (50%), 1-2 mm (25%), and 2-3 mm (25%)) during briquette preparation were firstly determined in this paper. Briquettes with different moisture contents (3%, 6%, 9%, 12%, and 15%) were prepared by using self-developed briquettes. Uniaxial and triaxial compression tests were car

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14

Meng, Han, Yuzhong Yang, Liyun Wu, Fei Wang, and Lei Peng. "Study of Strength and Deformation Evolution in Raw and Briquette Coal Samples under Uniaxial Compression via Monitoring Their Acoustic Emission Characteristics." Advances in Civil Engineering 2020 (October 30, 2020): 1–16. http://dx.doi.org/10.1155/2020/8868754.

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Briquette coals with different cement contents are frequently used to study the coal body’s properties. In this study, the deformation and strength of briquette coal samples with 0, 5, 10, and 20% cement contents were experimentally and theoretically investigated using the acoustic emission (AE) characteristics monitored during the uniaxial compression tests. The results show that the uniaxial compression process of raw coal and briquette coal samples can be subdivided into compaction, elastic, plastic (yield), and brittle failure stages. With an increase in cement content, briquette coal samp

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15

Tulepov, Marat, Larissa Sassykova, Almagul Kerimkulova, et al. "Preparation of Briquettes on the Basis of Sub-Standard Coal of Kazakhstan Fields." Chemistry & Chemical Technology 16, no. 1 (2022): 118–25. http://dx.doi.org/10.23939/chcht16.01.118.

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A technology of briquetting of sub-standard coal of Kazakhstan fields to obtain high-quality briquetting fuel has been developed. A modifying additive in the form of oil residues has been selected, that make it possible to obtain a binder composition for brown coal briquetting. The material for the preparation of coal briquettes is coal fines from dry, poorly sintered coals, which cannot be used for direct combustion in the furnace. The optimal parameters for obtaining high-quality fuel briquettes have been determined. The introduction of a modifying additive into the oil residues makes it pos

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16

A., U. Ofoefule. "Effects of Pine Needle (Pinus pinaster) dust on the performance characteristics of sub-bituminous coal briquette for Energy Generation." J. of Physical and Chemical Sciences 7, no. 2 (2019): 02. https://doi.org/10.5281/zenodo.2639878.

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The effect of pine needle (Pinus pinaster) dust (P) on sub-bituminous coal (C) briquette for energy generation was studied in terms of combustion characteristics, emission profile, and thermal degradation properties. Briquettes of 100% of the pure coal and the biomass were first produced. The ratio for the blending was 1:1 for the binary combination of the biomass with coal. The feed stocks were dried to a moisture content of 5-10% and ground to a particle size of 0.8 mm. Desulphurization, homogeneity and binding were achieved by addition of calcium hydroxide (Ca(OH)2), water and starch, respe

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17

Chandaliya, Vimal Kumar, Saibal Trivedy, Avinash Tiwary, Asaithambi Suresh, Pratik Swarup Dash, and Abanti Sahoo. "Utilization of steel plant waste and by-products in reactive coke making." Metallurgical Research & Technology 120, no. 1 (2023): 103. http://dx.doi.org/10.1051/metal/2022109.

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Coke is used in the blast furnace as a fuel. To produce the coke, metallurgical coals are blended in the coal blend. But the reserves of the coking coals are limited in India. Hence, there is a need to use the non-coking coals in the blast furnace. However, there is a limitation for use of non-coking coals in the coal blend for coke making. So, an attempt was made in this study to increase the amount of non-coking coals in the coal blends. In the present work, briquetting technique was used for producing briquettes having non-coking coal up to 40%, and rest is slightly coking coal along with r

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18

Qi, Juan, and Jianjun Wu. "Effects of Bio-Coal Briquette for Residential Combustion on Brown Carbon Emission Reduction." Processes 11, no. 6 (2023): 1834. http://dx.doi.org/10.3390/pr11061834.

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Biomass burning is an important source of brown carbon (BrC) which poses high-risk threats to human health and the environment. In this study, bio-coal briquette (coal mixed with biomass), a promising solid fuel for residential combustion, is proven to be a clean fuel which can effectively reduce BrC emission. First of all, an orthogonal experiment with three factors and three levels on the physical property of bio-briquette was carried out to identify the optimal preparation conditions including the ratio of biomass to anthracite, particle size and molding pressure. Then a combustion experime

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19

Jha, Pushpa, and Pramod Yadav. "Briquetting of Saw Dust." Applied Mechanics and Materials 110-116 (October 2011): 1758–61. http://dx.doi.org/10.4028/www.scientific.net/amm.110-116.1758.

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Briquettes produced from agro-residues are fairly good substitute for coal, lignite and firewood. Briquettes from saw dust have high specific density of 1400 kg/m3 compared to bulk density of 210 kg/m3 (approx.) of loose saw dust. Loading/unloading, transportation and storage costs of agro-residues are drastically reduced if they are converted in the form of briquettes. Formation of briquettes at the very site of its production stops air pollution to a large extent. Hence briquetting of saw dust produces renewable and environment friendly source of energy. In this paper an attempt is made to d

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20

Toktorbaeva, G., Y. Tashpolotov, and М. Sadyrova. "DETERMINATION OF SPECIFIC ELECTRICAL RESISTANCE OF WALNUT CHARCOAL." Scientific heritage, no. 91 (June 23, 2022): 116–20. https://doi.org/10.5281/zenodo.6696562.

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The article presents the results of experimental determinations of the electrical and resistivity of coal powder and a briquette of walnut charcoal and data of comparisons with the electrical conductivity of a graphite single crystal. Coal powder and briquettes have a lower electrical resistivity (8 Ω• mm²/m and 7 Ω• mm²/m) as compared to the electric resistance of C axis graphite single crystal. This is due to the fact that coal briquettes and tablets from charcoal powders are obtained by extrusion and pressing in the mold. It has been established that the resi

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21

Ma'a, Mustaza, Mohammad Ichwan Syachreffi, Roni Novison, Jupri Yanda Zaira, and Nur Cahya Nugroho. "The Effect of Funnel Angle on Density, Hardness, and Calorific Value in Briquette Pressing Machine." Jurnal Teknik Mesin Indonesia 20, no. 1 (2025): 106–12. https://doi.org/10.36289/jtmi.v20i1.721.

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Efforts to find new energy sources continue, including Renewable Energy Sources (RES). Biomass is an alternative source of renewable energy and one example of biomass is briquettes. Briquettes are solid fuels made from renewable organic materials derived from plants such as mangrove wood, coconut shells, and palm kernel shells. Thus, briquettes can serve as an alternative energy source to replace fossil fuels like coal. In this study, briquettes were produced using a briquette pressing machine with a screw conveyor method. The briquette materials used were palm kernel shell charcoal dan mangro

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22

Inna, Samomssa, Ali Adamou, Ndolo Ndjee Linda Flore, and Kamga Richard. "Sustainable Coal Production from Cotton Shell Utilizing Carbonization Process for Fuel Briquette." Journal of Energy Research and Reviews 17, no. 7 (2025): 154–66. https://doi.org/10.9734/jenrr/2025/v17i7441.

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The nonrenewable energies and some renewable energies is not accessible to less developing countries such as Cameroon. The population use to use wood for their energies needs which lead to fast deforestation. The goal of this study was the valorization of cotton shell in the production of bio-coal fuel briquette. To achieve this objective, bio-coal was produced using the carbonization process following the Box Benken matrix. The bio-coal was characterized and fuel briquettes were formulated by adding Arabic gum as binder. The results showed that, the optimum conditions to produce bio-coal with

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23

Kobilov, Khasan. "Laboratory research of coal briquette quality indicators." IOP Conference Series: Earth and Environmental Science 1112, no. 1 (2022): 012007. http://dx.doi.org/10.1088/1755-1315/1112/1/012007.

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Abstract The research is based on the results of scientific research on the development of technology for the production of high-energy and environmentally friendly coal briquettes.The study of crushing of different sizes of coal, as well as the study of separation processes on the geometric size of the fine fraction of coal revealed high efficiency of hammer grinders and multi-layer screening devices for sorting, based on the consistency of briquette constituents, a technological system for the production of briquettes based on the use of a solution of biohumus and rice starch as effective bi

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24

Zhao, Hongbao, Tao Wang, Huan Zhang, and Ziqiang Wei. "Comparison of Local Load Influence on Crack Evolution of Coal and Briquette Coal Samples." Advances in Civil Engineering 2018 (September 4, 2018): 1–12. http://dx.doi.org/10.1155/2018/1790785.

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Taking raw coal and briquette coal samples with preset center holes as research objects, this paper makes a systematic analysis and research of crack evolution laws of the two different coal samples under the local load. The results show that the raw coal and briquette coal samples are different mainly in number, dimension, and complexity of the internal microstructures, so it is not right to replace raw coal with briquette coal when performing observational study of the crack evolution of microstructures; under the effect of local load, local property, randomness of crack initiation position,

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25

Lu, Guang Jun, and Fang Qin Cheng. "Preparation of Coal Briquette by Using Coal Waste and Coal Slurry." Advanced Materials Research 391-392 (December 2011): 755–58. http://dx.doi.org/10.4028/www.scientific.net/amr.391-392.755.

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Coal waste and coal slurry are the largest industrial waste generated from coal preparation plants. This paper describes a method to make clean coal briquette with coal waste and coal slurry. Two binders were used during the coal briquette making process. In addition, a mixture of cacium hydroxide and coal fly ash was added into the formulation acting as a sulfur retention agent. The results show that coal briquette strength and sulfur retention were significantly improved. For example, both wet strength and falling strength reached 99%. The sulfur retention is about 55.41%.

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26

Kinkhabwala, Hetav, V. M. Bhojawala, Saumil Desai, and D. V. Patel. "Design of Hydraulic Biomass Briquette Machine." IOP Conference Series: Materials Science and Engineering 1258, no. 1 (2022): 012040. http://dx.doi.org/10.1088/1757-899x/1258/1/012040.

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In many of our developing countries, we face many problems regarding agro-waste. If the wastes are not managed then there will be increased in the quantity of waste. In order to manage these wastes, solutions are required and one of the solution is discussed here. The present study discusses about the hydraulic briquette line which is used to make briquettes. This hydraulic briquette line basically consists of three equipment’s a shredder machine, a screw conveyor and a hydraulic briquette machine. Because of good characteristics of sugar-cane bagasse such as low ash content compared to coal,

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27

Tulepov, Marat I., Larissa R. Sassykova, Dauren A. Baiseitov, et al. "Synthesis and optimization of combustion of briquettes based on substandard brown coals of Kazakhstan deposits with multipolymer binders." Mediterranean Journal of Chemistry 10, no. 3 (2020): 302–9. http://dx.doi.org/10.13171/mjc02003271253ls.

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The work aimed to study the process of burning coal briquettes with polymers. As the object of the research, the coals of Kazakhstan deposits were applied. The methodology of the study included theoretical and computational studies on the applied significance of coal processing, analysis by physicochemical research methods, pressing, drying and briquetting of coal with binders. It is shown that the briquettes combustion takes place stepwise and is characterized by a stationary regime. This is due to the mutual influence of the stages of pyrolysis of polyolefins and combustion of coke residue o

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28

Saraswati Rudianto, Ines. "Characteristics of Particulate Emissions from Co-Firing in An Industrial Boiler." Jurnal Ecolab 15, no. 1 (2021): 23–29. http://dx.doi.org/10.20886/jklh.15.1.23-29.

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Characteristics of Particulate Emissions from Co-Firing in An Industrial Boiler. PT. X is a textile industry that consumes a massive amount of coal for its boiler operation. It requires substantial costs to obtain coal from Sumatra and Kalimantan. An alternative solid biofuel (briquette) was developed to combine bottom ash and biomass made from municipal solid waste called Biomass Coal Fuel (BCF) briquette. The purpose of this study is to measure the total concentration of particulate matter and emission factor (PM) emitted from two burning experiments: only coal (100%) and mixed coal fuel wit

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Usaka, Elvis, Alex Okibe Edeoja, and Jacob Sunday Ibrahim. "Investigation of the Combustion Properties of Bio-Coal Briquette Blends of Prosopis Africana Pods." European Journal of Theoretical and Applied Sciences 1, no. 6 (2023): 654–63. http://dx.doi.org/10.59324/ejtas.2023.1(6).65.

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This study investigated the properties of bio-coal briquettes made by blending coal with Prosopis Africana pods in order to determine the optimum biomass composition. The briquettes were produced using a hydraulic press at 10 MPa applied to coal: biomass compositions of 100:0, 80:20, 60:40, 40:60, 20:80 and 0:100% by weight of mixture and particle size of 600 μm. Cassava starch and Calcium Hydroxide acted as binder and desulphurization agent respectively. The physical, mechanical and combustion characteristics of the briquette samples produced were determined based on ASTM standards. Results r

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Elvis, Usaka, Okibe Edeoja Alex, and Sunday Ibrahim Jacob. "Investigation of the Combustion Properties of Bio-Coal Briquette Blends of Prosopis Africana Pods." European Journal of Theoretical and Applied Sciences 1, no. 6 (2023): 654–63. https://doi.org/10.59324/ejtas.2023.1(6).65.

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This study investigated the properties of bio-coal briquettes made by blending coal with Prosopis Africana pods in order to determine the optimum biomass composition. The briquettes were produced using a hydraulic press at 10 MPa applied to coal: biomass compositions of 100:0, 80:20, 60:40, 40:60, 20:80 and 0:100% by weight of mixture and particle size of 600 μm. Cassava starch and Calcium Hydroxide acted as binder and desulphurization agent respectively. The physical, mechanical and combustion characteristics of the briquette samples produced were determined based on ASTM standards. Result

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Devi Komalasari and Siska Wulandari. "PENGARUH VARIASI TEKANAN PADA MODIFIKASI BRIKET BATUBARA TERHADAP WAKTU SULUT." JURNAL TEKNIK MESIN, INDUSTRI, ELEKTRO DAN INFORMATIKA 1, no. 4 (2022): 29–38. http://dx.doi.org/10.55606/jtmei.v1i4.675.

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Briquettes are alternative energy that can be used as substitutes of petroleum and gas. Coal briquettes generally have a slowignition time. Therefore, this study modifies coal briquettes by adding a blazingstimulant of palm frond fiber and potassium chlorate. The objectives to be achieved in this study wereto find out the effect of pressure variations modificationsof coal briquettes to the ignition time. In this study, the briquetting process was done by varying pressure of 200 Psi, 300 Psi, 400 Psi, 500 psi and 600 Psi. Coal briquette powder particle size used in this study was 80-100 mesh wh

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Marganingrum, Dyah, and Lenny Marilyn Estiaty. "VALUE INCREASING OF REJECT COAL WITH BIOMASS ADDING AS BIO-COAL BRIQUETTE." INDONESIAN JOURNAL OF URBAN AND ENVIRONMENTAL TECHNOLOGY 3, no. 2 (2020): 123. http://dx.doi.org/10.25105/urbanenvirotech.v3i2.5110.

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Aim: This paper aims to explain the added value increasing method of reject coal which has not utilized by the company. Methodology and Results: The method to increase added value in this study used the agglomeration process of briquettes form that changing composition by adding biomass. The biomass functions to minimize bottom ash produced from burning briquettes so that the briquettes burn entirely. Stages processes in this study consist of characterization, briquetting, physical test, and chemical test. Based on the analysis, reject coal still has a high calorific value of 5,929 cal/gr. Sha

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Павлов, Н. А., А. А. Спицын, М. И. Минич, and А. В. Бахтиярова. "Towards quality charcoal briquettes." Известия СПбЛТА, no. 234 (April 5, 2021): 217–31. http://dx.doi.org/10.21266/2079-4304.2021.234.217-231.

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Исследовались характеристики и свойства древесно-угольных брикетов, используемых для кальянокурения, влияющие на их эксплуатационные возможности. Проведён сравнительный анализ древесно-угольных брикетов из кокосового, берёзового и соснового сырья. Кокосовый уголь является дорогостоящим сырьём. Предложено заменить кокосовый уголь на берёзовый, что экономически целесообразно. Для получения образцов угля проведён пиролиз кокоса, берёзы и сосны. Полученные образцы в дальнейшем исследовались методами ТГА и ДТГ. Определялись влажность, зольность, содержание нелетучего углерода. Проведено исследовани

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Xie, Beijing, Zheng Yan, Yujing Du, Zeming Zhao, and Xiaoqian Zhang. "Determination of Holmquist–Johnson–Cook Constitutive Parameters of Coal: Laboratory Study and Numerical Simulation." Processes 7, no. 6 (2019): 386. http://dx.doi.org/10.3390/pr7060386.

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The main sensitivity parameters of the Holmquist–Johnson–Cook constitutive model for coal were obtained from a variety of tests such as uniaxial compression, uniaxial cyclic loading, splitting and triaxial compression tests, as well as the indirect derivation equation of a briquette. The mechanical properties of briquettes under dynamic impact were investigated using a split Hopkinson pressure bar experiment. Based on the experimental measurement of the Holmquist–Johnson–Cook constitutive model, the numerical simulation of briquette was performed using ANSYS/LS-DYNA software. A comparison betw

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Maktub, Zana Azalia, Cicih Sugianti, and Sasongko Aji Wibowo. "Pengaruh Variasi Persentase Campuran Arang Tempurung Kelapa dengan Batubara dalam Pembuatan Briket Biocoal Terhadap Sifat Fisik dan Laju Pembakaran." Jurnal Agricultural Biosystem Engineering 3, no. 4 (2024): 500. https://doi.org/10.23960/jabe.v3i4.10175.

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This study aims to examine the effect of varying percentages of coconut shell charcoal mixed with coal on the physical properties and combustion rate of biocoal briquettes. The briquettes were made with four variations of coconut shell charcoal percentages: 16%, 31.9%, 47.7%, and 63.7%. The results revealed that briquette density tended to decrease with an increasing percentage of coconut shell charcoal, except for the 63.7% mixture, which showed an anomaly with higher density. Mechanical strength, including tensile and compressive strength, decreased as biomass increased due to the weaker mec

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Prayoga, M. Ilham Dio, and Tamrin Tamrin. "Pemanfaatan Limbah Ampas Tebu Menjadi Briket Bio-Batubara Menggunakan Perekat Tapioka." Jurnal Agricultural Biosystem Engineering 2, no. 4 (2023): 563. http://dx.doi.org/10.23960/jabe.v2i4.8399.

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The research carried out aims to utilize bagasse waste and determine the characteristics of bio-coal briquettes made from bagasse waste with the addition of coal. This research was conducted with reference to a completely randomized design (CRD) with two factors and three replications. The first factor is the comparison of the composition of the main raw materials in the form of bagasse and coal (P) which includes four treatment levels, namely 100%: 0% (P0), 40%: 60% (P1), 60%: 40% (P2) and 80 %: 20% (P3).The second factor is the concentration ratio of tapioca adhesive which includes three tre

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Nurkina, Sholpan, Akmaral Kinzhibekova, and Evgeniy Prikhodko. "Research and analysis of characteristics of fuel from organic and industrial waste." EUREKA: Physics and Engineering, no. 5 (September 30, 2022): 43–54. http://dx.doi.org/10.21303/2461-4262.2022.002357.

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The article is devoted to the actual problem of utilisation of agricultural and industrial waste as a solution to the problem of replacing traditional energy sources. As an alternative fuel, researchers suggest using briquettes from biomass (leafy debris, waste paper, sunflower and buckwheat husks), as well as their combination with industrial waste (coal dust). The choice of these sources of raw materials is determined by their presence in the north-eastern part of Kazakhstan. Studies of the physical and mechanical and thermophysical characteristics of fuel briquettes from organic

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Nurkina, Sholpan, Akmaral Kinzhibekova, and Evgeniy Prikhodko. "Research and analysis of characteristics of fuel from organic and industrial waste." EUREKA: Physics and Engineering, no. 5 (September 30, 2022): 43–54. https://doi.org/10.21303/2461-4262.2022.002357.

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The article is devoted to the actual problem of utilisation of agricultural and industrial waste as a solution to the problem of replacing traditional energy sources. As an alternative fuel, researchers suggest using briquettes from biomass (leafy debris, waste paper, sunflower and buckwheat husks), as well as their combination with industrial waste (coal dust). The choice of these sources of raw materials is determined by their presence in the north-eastern part of Kazakhstan. Studies of the physical and mechanical and thermophysical characteristics of fuel briquettes from organic mass and bi

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Liu, Rui Chun, Bo Huang, Wei Lv, Qiang Gao, and Xin Yu Wang. "Biomass Molding Technology and the Research State of Biomass Binder." Applied Mechanics and Materials 700 (December 2014): 3–6. http://dx.doi.org/10.4028/www.scientific.net/amm.700.3.

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With the coal energy reduction and human concern for global environmental issues,briquette development imperative. Its coal utilization, environmental pollution, etc. is becoming a hot research by many scholars at home and abroad. The key lies in one of briquette binder choice, directly to biomass as a binder, not only to meet the basic requirements of briquette, such as reducing coal ignition point,but also the prospects for the full application of biomass development.

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Li, Wen Pu. "Experimental Study of Mechanical and Seepage Characteristics of Two Kinds of Coal Samples." Advanced Materials Research 1073-1076 (December 2014): 2098–101. http://dx.doi.org/10.4028/www.scientific.net/amr.1073-1076.2098.

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Mechanical and seepage characteristics of raw coal samples are the most important research contents of enhancing coal bed methane recovery, but the produce of raw coal sample is very difficult. Based on gas seepage instrument, mechanical and seepage characteristics were performed on normal briquette coal samples and coal samples containing gypsum. The results show that it can increase the cohesion and intensity level by adding gypsum in briquette coal. Porosity and permeability of coal containing gypsum is less than ordinary briquette coal sample. Permeability with axial strain curves of two k

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Oyelaran, Olatunde Ajani, Olawale M. Sanusi, Tunde O. Ogundana, Adefunke Adedayo Odetoye, and Bukola O. Bolaji. "Desulphurization Efficiency of Snail Shell on Coal-Groundnut Shell Briquette." Environmental Research, Engineering and Management 76, no. 4 (2020): 76–86. http://dx.doi.org/10.5755/j01.erem.76.4.24689.

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The diminishing accessibility of wood fuel and the danger of desertification and deforestation call for interest in the use of alternative energy sources. Herein, we studied the properties of bio-briquettes produced from Onyeama coal in Nigeria and groundnut shell used as the desulphurizer, while cassava starch was used as binder with Snail shell. For effective capturing of Sox, snail shell was added. The ratios of coal to groundnut shell (w/w) in the briquette were 90:10, 80:20, 70:30, 60:40 and 50:50, while 1:1, 1.25:1, 1.5:1, 1.75:1 and 2:1 were used as the ratios of calcium to sulphur (Ca/

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Krishnamoorthi, Settu, Muthusamy Palani Divya, Iyapillai Sekar, George Jenner Varuvel, Ramasamy Ravi, and Palanivel Hemalatha. "Production and Characterization of Sustainable Biomass Briquettes from Selected Bamboo Species." Journal of Biobased Materials and Bioenergy 17, no. 5 (2023): 650–61. http://dx.doi.org/10.1166/jbmb.2023.2298.

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Bamboo is a diverse group of fast growing perennial tall tree-like perennial grass species, versatile and growing in many parts of India. Every year, the bamboo based industries produce 14.6%–33.5% of bamboo waste, which could be better utilized in the form of briquettes, with the bamboo-based briquettes providing alternative resources for coal and loose biomass requirements in the diverse industries e.g., agro-industries, tea and coffee industries, food processing industries, brick kilns, beverage industries, and pharmaceutical industries. The physic-thermo-chemical analysis was conducted in

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Khairil, Samsul Bahri, Nurdin Ali, Sarwo Edhy Sofyan, and Jalaluddin. "Effect of Coal Blended on the Physical Properties of Iron Ore Briquette for Direct Reduction Iron." Materials Science Forum 1000 (July 2020): 391–97. http://dx.doi.org/10.4028/www.scientific.net/msf.1000.391.

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Iron production by using the direct method has been promoted in order to produce iron effectively, low cost, and environmentally safe. The method was optimal requirements with respect to the feed materials especially iron ore, coal as well as a binder. In this study, the experiments were conducted on physical properties of iron ore briquette from Aceh (Indonesia) to analyze its suitability to meet the feed requirements for iron production. The term iron ore briquette refers to the materials compressed under high pressure formed by variable mixtures of iron ore, coal and binders. In the experim

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Samadhi, Tjokorde Walmiki, Tishi T. Daulay, M. Firmansyah, and Tjandra Setiadi. "Pembakaran ulang abu bawah batubara." Jurnal Teknik Kimia Indonesia 7, no. 3 (2018): 810. http://dx.doi.org/10.5614/jtki.2008.7.3.1.

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The high carbon content of coal bottom ashes collected from several textile manufacturing plants in the Bandung area is indicative of an opportunity for energy utilization efficiency improvement by re-combustion of the bottom ashes. This research examines the technical feasibility of bottom ash utilization as a raw material for solid fuel briquette manufacturing. This paper discusses the measurement of the impact of bottom ash content on ignition time and crushing strength of the briquette. Bottom ash content is varied in the 0-50 %-weight range (binder and moisture-free basis). The ignition t

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Widiawati, Vivi, Agus Winarno, Tommy Trides, Windhu Nugroho, and Henny Magdalena. "ANALISIS PROKSIMAT PADA BRIKET BATUBARA NON KARBONISASI TERHADAP JENIS DAN KOMPOSISI PEREKAT TAPIOKA DAN PEREKAT SAGU." JOURNAL SCIENTIFIC OF MANDALIKA (JSM) e-ISSN 2745-5955 | p-ISSN 2809-0543 4, no. 4 (2023): 1–7. http://dx.doi.org/10.36312/10.36312/vol4iss4pp1-7.

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The demand of the fuel oil in the world increasing with the rate population and industrial growth. The alternative solid fuel which is the main ingredient of that is coal, contains the high calorific value so that it can be replaced petroleum product and be used is briquette. In this study conducted proximate test on non-carbonized coal briquettes beetwen tapioca adhesive and Sago adhesive. In the study, the methods used approach issues of extracting research from established theories and data of observed objects. The analysis result of proximate test briquettes coal with tapioca adhesive on B

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Sing, Chin Yee, Mohd Shiraz Aris, and Hussain Hamoud Al-Kayiem. "Experimental Investigations on the Characteristics of Biomass and Coal-Biomass Fuel Briquettes." Advanced Materials Research 683 (April 2013): 246–49. http://dx.doi.org/10.4028/www.scientific.net/amr.683.246.

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Combustion of coal, a fossil fuel, in power plant, is a major source of carbon dioxide emission, a greenhouse gas that causes global warming. Malaysia is one of the major exporters of palm oil and has 421 palm oil mills operating in 2010. Some of the residues from these mills like palm kernel shell and palm mesocarp fibre were converted into value-added products. An optimum biomass fuel briquette was obtained with palm kernel shell and palm mesocarp fibre as the major ingredients. Co-firing coal with biomass is a possible approach for power plant to curb the excessive emission of carbon dioxid

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Ye. Makhambetov, Zh. Saulebek, A. Akhmetov, R. Toleukadyr, and A. Zhakan. "STUDY OF THE MODES OF RECOVERY AND DESTRUCTIBILITY OF CHROME BRIQUETTES UNDER CURRENT AND THERMAL LOADS." Science and Technology of Kazakhstan, no. 3.2024 (September 30, 2024): 200–212. http://dx.doi.org/10.48081/opni1176.

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For an objective assessment of the recoverability of the resulting oxidized materials and deciphering the physico-chemical characteristics of their reduction processes occurring during the smelting of carbonaceous ferrochrome, special studies are needed. In this regard, the kinetics of the briquette reduction process has been studied in this article, which is extremely important for understanding the mechanism of carbothermic reduction in order to improve metallurgical technologies using coated materials. During the study, 6 different variants of briquettes with chromium ore and various types

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Sabirov, B., and Y. Tashpolotov. "Technology for Producing Heat From Composite Coal Fuels in Advanced Oven for Municipal and Household Use." Bulletin of Science and Practice 10, no. 2 (2024): 379–87. http://dx.doi.org/10.33619/2414-2948/99/36.

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The problem of rational use of coal remains relevant; currently, various technologies have been developed for producing composite solid fuels, briquettes with various binding materials from brown coal deposits in Kyrgyzstan. The widespread use of composite solid fuels (CSF) and coal briquettes in industry, everyday life and public utilities, in our opinion, is limited by two reasons: excessively inflated requirements of existing standards for the physical and mechanical characteristics of briquettes as a product; poor knowledge of optimal conditions for burning briquettes. Our research shows t

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Haryanti, N. H., Suryajaya, H. Wardhana, et al. "Briquettes from Biomass Waste." Journal of Physics: Conference Series 2104, no. 1 (2021): 012003. http://dx.doi.org/10.1088/1742-6596/2104/1/012003.

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Abstract This research made three kinds of briquettes from various biomass waste, including alaban wood charcoal and rubber seed shells mixed with coal bottom ash and coal fly ash. The purpose of the study was to obtain the characteristics and quality of briquette combustion. Making briquettes is by drying, grinding, and sifting raw materials then mixed with adhesive, printing and drying. Briquettes were made with variations in composition and pressure and the particle size of the material passing through the 50 and 250 mesh sieves. Briquettes produced from alaban wood charcoal and coal bottom

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Pang, Longlong, Yuzhong Yang, Liyun Wu, Fei Wang, and Han Meng. "Effect of Particle Sizes on the Physical and Mechanical Properties of Briquettes." Energies 12, no. 19 (2019): 3618. http://dx.doi.org/10.3390/en12193618.

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The particle size of coal particles is an important factor affecting the physical and mechanical properties of coal. In this study, uniaxial and triaxial compression tests were conducted to investigate the effects of coal particle size on the physical and mechanical properties of briquettes and their impact mechanism using a rock mechanics test-150B servo system (RMT-150B). The results showed that the uniaxial compression strength, elastic modulus and deformation modulus of briquettes increase when particle size is decreased. The deformation characteristics of the briquettes directly prepared

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