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Journal articles on the topic 'Fluidized Bed Processing'

Author: Grafiati

Published: 2 June 2025

Last updated: 31 July 2025

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1

Mi, Tie, and Xin Ming Yu. "Study on Fluidization Characteristics of Chinese Herbal Medicine Waste in a Fluidized Bed Reactor." Applied Mechanics and Materials 138-139 (November 2011): 952–57. http://dx.doi.org/10.4028/www.scientific.net/amm.138-139.952.

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Large amounts of Chinese herbal medicine wastes (CHMW) are produced in the process of processing and manufacturing traditional Chinese crude medicines. For CHMW, gasification in fluidized bed is a promising option. But, it is the difficult to fluidize CHMW particles alone in fluidized bed gasifier, especially for various size and shape of CHMW particles. It is very common to fluidize these kinds of biomass particles with sand, gives better defined fluidization behavior and a more reliable scale-up. However, not much is known about fluidization behavior of CHMW particles in fluidized bed. There

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Wang, Shu Jiang, Da Yong Liu, Hong Gang Zhang, and Zhi Qiang Sun. "Treatment of Chemical Production Wastewater Containing Fluorine with Two Kinds of Fluidized Bed Reactor by Induced Crystallization." Advanced Materials Research 347-353 (October 2011): 1348–53. http://dx.doi.org/10.4028/www.scientific.net/amr.347-353.1348.

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Keywords: Fluidized bed；Bubbling bed；Induced crystallization；Fluoride removal；Quartz sands Abstract: Through establishing two kinds of experimental device, regular bed and bubbling fluidized bed, it researched the treatment process of producing fluorine-containing wastewater in the method of chemical-induced crystallization. Taking a way of continuous flow, ordinary fluidized bed continuous flow approach measured the amount of fluoride crystals and the treatment effect. Using intermittent operation, bubbling fluidized bed measured the amount of fluoride crystal and the treatment effect. The re

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3

Mares, Alina Monica, Gabriela Isopencu, and Cosmin Jinescu. "Aspects concerning the Drying of Granular Biomaterials with Intensive Techniques I.Dynamics of Modified Fluidized Bed In the Presence of Inert Particles." Revista de Chimie 59, no. 1 (2008): 79–87. http://dx.doi.org/10.37358/rc.08.1.1712.

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Present paper has as objective the experimental study regarding the study on the dynamic parameters of modified fluidized bed. For the granular biomaterial processing by drying there are necessary intensifications techniques to avoid the thermal degradation. Present paper propose as intensification technique the modified fluidized bed (or flotation �fluidized bed) in which the granular biomaterial is mixed with inert material of small sizes. The purpose is to obtain the better dynamic conditions for the drying process.

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Asif, Mohammad, Ebrahim H. Al-Ghurabi, Abdelhamid Ajbar, and Nadavala Siva Kumar. "Hydrodynamics of Pulsed Fluidized Bed of Ultrafine Powder: Fully Collapsing Fluidized Bed." Processes 8, no. 7 (2020): 807. http://dx.doi.org/10.3390/pr8070807.

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The processing of fine and ultrafine particles using a fluidized bed is challenging in view of their unpredictable hydrodynamic behavior due to interparticle forces. The use of assisted fluidization techniques in such cases can be effective in improving the bed hydrodynamics. This work investigates the dynamics of pulsed fluidized bed of ultrafine nanosilica subjected to square-wave flow pulsations. The pulse duration used in this study is sufficient to allow the complete collapse of the pulsed fluidized bed between two consecutive flow pulsations. The proposed pulsation strategy is carefully

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Al-Ghurabi, Ebrahim H., Mohammad Asif, Nadavala Siva Kumar, and Sher Afghan Khan. "Fluidization Dynamics of Hydrophobic Nanosilica with Velocity Step Changes." Applied Sciences 10, no. 22 (2020): 8127. http://dx.doi.org/10.3390/app10228127.

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Nanosilica is widely used in various applications, with its market expected to grow over USD 5 billion by 2025. The fluidized bed technology, owing to its intimate contact and efficient mixing of phases, is ideally suited for the large scale processing of powders. However, the bulk processing and dispersion of ultrafine nanosilica using the fluidized bed technology are critically affected by the interparticle forces, such that the hydrophilic nanosilica shows agglomerate bubbling fluidization (ABF), while the hydrophobic nanosilica undergoes agglomerate particulate fluidization (APF). This stu

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Egorov, Ivan, Nikolay Egorov, and Svetlana Egorova. "Diagnostic method for the selection of regimes of electromagnetic effect on the particulate ferromagnetic material." E3S Web of Conferences 458 (2023): 02028. http://dx.doi.org/10.1051/e3sconf/202345802028.

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The recycling of obsolete permanent magnets, the processing and reusing of the obtained powder for a new magnets production has both economic and environmental benefits. The processing of recycled magnetic slur to the particle size distribution required for the magnets production has a problem specific for fine magnetic powders – particle aggregation limiting the milling efficiency. One way of solving this problem is milling the magnetic material with the formation of the magneto fluidized bed. In the present work we study the behavior of the recycled from old electromotor stators strontium he

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Llano, Sandra M., Ana María Gómez, and Yudy Duarte-Correa. "Effect of Drying Methods and Processing Conditions on the Quality of Curcuma longa Powder." Processes 10, no. 4 (2022): 702. http://dx.doi.org/10.3390/pr10040702.

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Turmeric (Curcuma longa) is a spice that has been used for a long time in traditional medicine for its anti-inflammatory properties and recently used in the food industry for its dyeing and flavoring properties. This work studied the effect of different drying methods (convection oven drying, fluidized bed drying, and traditional solar drying) on the quality of Curcuma longa powder. The effect of UV radiation on turmeric powder using different packaging materials (glass, aluminum foil bag, and low-density polyethylene bag), was also studied. Subsequently, the fluidized bed drying method was us

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Kachan, O. Ya, and S. O. Ulanov. "DETERMINATION OF REGULARITIES OF TREATMENT OF DISKS IN A FLUIDIZED BED OF ABRASIVE." Kosmìčna nauka ì tehnologìâ 29, no. 6 (2023): 62–67. http://dx.doi.org/10.15407/knit2023.06.062.

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n this work, the main regularities of processing disks in a fluidized bed of abrasive are established.The research was carried out on the АПС-600A installation when processing disks in a fluidized bed of abrasive. When processing discs, abrasive grains of groups 24A, 63C, and a mixture of abrasive grains 24A63+24A20 (50 % + 50 %) were used.The grain size of the abrasive grains varied in the range № 20 … № 80.The processed disks were made of such alloys as VT3-1, VT-9, EI698-VD, steel 45 HRC 38...45, and aluminum alloy D1T. The peripheral speed of the parts is Vp = 5...40 m/s. The maximum air c

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Mikulionok, Іgor, Аnton Karvatskii, Olena Ivanenko, and Serhii Leleka. "Heat exchangers with fluidization of bulk material (Design review)." Proceedings of the NTUU “Igor Sikorsky KPI”. Series: Chemical engineering, ecology and resource saving, no. 3 (September 30, 2022): 23–38. http://dx.doi.org/10.20535/2617-9741.3.2022.265359.

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A classification of heat exchangers with fluidization of bulk material for use in enterprises of the chemical, mining, construction, food, metallurgical and processing industries has been developed. A critical review of the most characteristic designs of heat exchangers with a fluidized bed, proposed by scientists, designers and inventors of the leading countries of the world, has been carried out. The designs of heat exchangers are analyzed depending on the method of fluidization, the role of bulk material in the heat exchange process, the nature of the heat exchange process over time, the na

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10

Deevi, S. C. "Fluidized bed reactor processing of magnetic materials." Metal Powder Report 52, no. 7-8 (1997): 43. http://dx.doi.org/10.1016/s0026-0657(97)80227-5.

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11

Deevi, S. "Fluidized bed reactor processing of magnetic materials." Metal Powder Report 53, no. 7-8 (1997): 43. http://dx.doi.org/10.1016/s0026-0657(97)84733-9.

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12

Sathiyamoorthy, D. "Plasma spouted/fluidized bed for materials processing." Journal of Physics: Conference Series 208 (February 1, 2010): 012120. http://dx.doi.org/10.1088/1742-6596/208/1/012120.

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13

Żukowski, Witold, Krystian Leski, Gabriela Berkowicz-Płatek, and Jan Wrona. "Polyolefin Pyrolysis in Multilayer Fluidized Beds: An Innovative Approach to Obtain Valuable Alternative Fuels." Energies 17, no. 5 (2024): 1034. http://dx.doi.org/10.3390/en17051034.

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This paper presents the application of two versions of the multilayer fluidized bed made out of two materials with significantly different densities. The first type of fluidized bed was composed of raw cenospheres and quartz sand. The second type of fluidized bed was composed of cenospheres coated with iron oxides and quartz sand. A variable vertical density profiles in the prepared fluidized beds were confirmed, making them suitable for processing polymeric materials, specifically, polyolefins with a density below 1 g/cm3. The polyolefin pyrolysis process was investigated in both versions of

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Simeyko, K. V., A. I. Malinouski, S. O. Karsim, et al. "INVESTIGATION OF THE PROCESS OF OBTAINING PYROCARBON IN AN ELECTROTHERMAL FLUIDIZED BED." Energy Technologies & Resource Saving, no. 3 (September 20, 2021): 32–43. http://dx.doi.org/10.33070/etars.3.2021.03.

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Carbon materials with a wide range of performance properties are used in various science, technology, and industry fields. For example, Pyrocarbon has the prospect of being used in nuclear power engineering, special metallurgy, aerospace technologies, heat exchange equipment, medicine, mechanical engineering, reactor building and other industries. The research described in the article aims to study the process of obtaining pyrocarbon in an electrothermal fluidized bed. The research is based on experimental methods of studying the process of obtaining pyrolytic carbon. Pyrocarbon is precipitate

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15

Gasafi, Edgar, and Robert Pardemann. "Processing of spodumene concentrates in fluidized-bed systems." Minerals Engineering 148 (March 2020): 106205. http://dx.doi.org/10.1016/j.mineng.2020.106205.

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16

Chen, Fan-Shiong, and Oo-Chuan Teh. "Assessment of Nitrocarburizing Processing in Fluidized Bed Furnace." Materials and Manufacturing Processes 11, no. 5 (1996): 803–19. http://dx.doi.org/10.1080/10426919608947528.

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17

Wolfinger, Thomas, Daniel Spreitzer, and Johannes Schenk. "Analysis of the Usability of Iron Ore Ultra-Fines for Hydrogen-Based Fluidized Bed Direct Reduction—A Review." Materials 15, no. 7 (2022): 2687. http://dx.doi.org/10.3390/ma15072687.

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This review focuses on the usability of iron ore ultra-fines for hydrogen-based direct reduction. Such technology is driven by the need to lower CO2 emissions and energy consumption for the iron and steel industry. In addition, low operational and capital expenditures and a high oxide yield because of the direct use of ultra-fines can be highlighted. The classification of powders for a fluidized bed are reviewed. Fluid dynamics, such as minimum fluidization velocity, entrainment velocity and fluidized state diagrams are summarized and discussed regarding the processing of iron ore ultra-fines

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18

Sharipov, A. A., Y. V. Vankov, K. G. Sadikov, and E. R. Saifullin. "The influence of catalysts on the combustion of petroleum coke in the stationary fluidized bed mode." E3S Web of Conferences 124 (2019): 05047. http://dx.doi.org/10.1051/e3sconf/201912405047.

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It is known that petroleum coke, a product of deep processing of oil, can be used as fuel in power boilers. The method of petroleum coke burning in a fluidized bed is the most optimal to complete its combustion. To improve the combustion characteristics of this fuel, we studied the influence of catalysts on the petroleum coke burning in the simulation mode of a stationary fluidized bed. The laboratory setup is described. The results of the experiments are given.

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19

Zylka, Anna, Jaroslaw Krzywanski, Tomasz Czakiert, et al. "Modeling of the Chemical Looping Combustion of Hard Coal and Biomass Using Ilmenite as the Oxygen Carrier." Energies 13, no. 20 (2020): 5394. http://dx.doi.org/10.3390/en13205394.

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This paper presents a 1.5D model of a fluidized bed chemical looping combustion (CLC) built with the use of a comprehensive simulator of fluidized and moving bed equipment (CeSFaMB) simulator. The model is capable of calculating the effect of gas velocity in the fuel reactor on the hydrodynamics of the fluidized bed and the kinetics of the CLC process. Mass of solids in re actors, solid circulating rates, particle residence time, and the number of particle cycles in the air and fuel reactor are considered within the study. Moreover, the presented model calculates essential emissions such as CO

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20

Yegorov, I. N., and Nikolay Ya Egorov. "The Influence of Milling Regimes in Beater Mill on Particle Size Distribution and Structural Characteristics of Strontium Hexaferrite Powder." Solid State Phenomena 284 (October 2018): 158–62. http://dx.doi.org/10.4028/www.scientific.net/ssp.284.158.

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The paper experimentally substantiates effectiveness of method of milling particulate ferromagnetic materials in magneto fluidized bed. Comparative results of particle size distributions and structural parameters of strontium hexaferrite SrFe12O19 powder obtained by milling coarse material in beater mill without electromagnetic effect and in same mill with formation of magneto fluidized bed from mill material are presented. The magneto fluidized bed is formed by constant and alternating gradient magnetic fields with induction lines that are mutually perpendicular and parallel to the plane of r

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21

Kaczyńska, Katarzyna, and Piotr Pełka. "Experimental Studies of Fluidized Bed Calcination of Granulated Clay Material." Materials 17, no. 10 (2024): 2185. http://dx.doi.org/10.3390/ma17102185.

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The work presents a detailed analysis of the possibilities of the thermal processing of clay raw material granulates in a fluidized bed reactor powered by coal fuel. Potential customers of calcined granulates include the following: plants producing refractory materials for the steel industry, producers of refractory concrete, sanitaryware plants, tile plants, large-size tile plants, industry abrasives, chemicals, paints, paper, food and medical industries and others. The advantage of the presented fluid bed calcination technology is the possibility of the continuous operation of the reactor an

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22

KOZHUS, O. G., G. V. BARSUKOV, V. S. SHORKIN, Yu S. STEPANOV, and L. Yu FROLENKOVA. "IMPROVING THE EFFICIENCY OF THE INSTALLATION FOR APPLYING THE POLYMER SHELL TO THE ABRASIVE UNDER CRITICAL TECHNOLOGICAL CONDITIONS." Fundamental and Applied Problems of Engineering and Technology 3 (2021): 91–99. http://dx.doi.org/10.33979/2073-7408-2021-347-3-91-99.

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The article deals with the issues of increasing the productivity of the process of applying the polymer shell to the abrasive. It is established that the performance of the abrasive encapsulation in the fluidized bed is achieved due to the selection of equipment, the type of polymer, the spray parameters and the properties of the abrasive material. The authors have developed a method for producing abrasive grain with a polymer coating using an installation that allows processing the initial particles in a fluidized bed.

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Frankin, R. J., W. A. A. Koevoets, W. M. A. van Gils, and A. van der Pas. "Application of the Biobed® Upflow Fluidized Bed Process for Anaerobic Waste Water Treatment." Water Science and Technology 25, no. 7 (1992): 373–82. http://dx.doi.org/10.2166/wst.1992.0169.

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Over the past ten years Gist-brocades has been engaged in anaerobic waste water treatment. An in-depth research program concluded in the construction and operation of three full-scale plants for the treatment of yeast processing and pharmaceutical waste waters. Using the operational experience of the fluidized bed biomass-on-carrier systems and incorporating the strong assets of the Upflow Anaerobic Sludge Blanket (UASB) system features a new process was developed, the so-called Upflow Fluidized Bed (UFB) BIOBED® process, which operation appeared to be very successful over a &gt; 3 year pe

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Ťažký, Martin, Lenka Bodnárová, and Rudolf Hela. "Physico-Mechanical Properties of Lightweight Concrete with Fluidized Bed Combustion Fly Ash Based Light Weight Aggregate." Materials Science Forum 908 (October 2017): 106–10. http://dx.doi.org/10.4028/www.scientific.net/msf.908.106.

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Increasingly we see today among the conventional high temperature fly ash also with the production of fly ash from fluidized bed combustion. These fluidized bed combustions fly ashes, however, have little used this area, mainly for their chemical composition and morphology. Current efforts are directed towards the development of new technological processes and building materials that would allow the use of this industrial waste and its qualities. One possible way of fluidized bed combustion fly ash’s utilizing in construction industries the production of cold balled lightweight aggregate. Prod

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Jaiswal, Rajan, Britt M. E. Moldestad, Marianne S. Eikeland, Henrik K. Nielsen, and Rajan Kumar Thapa. "Image Processing and Measurement of the Bubble Properties in a Bubbling Fluidized Bed Reactor." Energies 15, no. 21 (2022): 7828. http://dx.doi.org/10.3390/en15217828.

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The efficiency of a fluidized bed reactor depends on the bed fluid dynamic behavior, which is significantly influenced by the bubble properties. This work investigates the bubble properties of a bubbling fluidized bed reactor using computational particle fluid dynamic (CPFD) simulations and electrical capacitance tomography (ECT) measurements. The two-dimensional images (along the reactor horizontal and vertical planes) of the fluidized bed are obtained from the CPFD simulations at different operating conditions. The CPFD model was developed in a commercial CPFD software Barracuda Virtual Reac

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Ye, Zhi-Long, Yujun Deng, Xin Ye, Yaoyin Lou, and Shaohua Chen. "Application of image processing on struvite recovery from swine wastewater by using the fluidized bed." Water Science and Technology 77, no. 1 (2017): 159–66. http://dx.doi.org/10.2166/wst.2017.533.

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Abstract Fluidized granulation is one of the common methods used in wastewater treatment and resource recovery with harvesting millimeter-scale large particles. Presently, effective methods are lacking to measure the fluidized granules ranging from micro- to millimeter scales, with the consequence of ineffectively controlling and optimizing the granulation process. In this work, recovering struvite (MgNH4PO4·6H2O) from swine wastewater by using a fluidized bed was taken as an example. Image processing was applied to analyze the properties of different types of struvite granules, including morp

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Susan, Nabasirye, Richard O. Awichi, Stephen Kadedesya, and Anselm O. Oyem. "Application of Computational Fluid Dynamics in Simulation and Optimization of a Fluidized Sugar Bed Dryer." WSEAS TRANSACTIONS ON HEAT AND MASS TRANSFER 18 (December 31, 2023): 286–95. http://dx.doi.org/10.37394/232012.2023.18.25.

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The application of computational fluid dynamics (CFD) in the design of industrial thermal process equipment is of great importance. Food drying is an important process in the sugar processing industry as it helps in the easy of transportation and storage, and also increases the life span of food. In this study a two-dimensional (2D) fluidized bed dryer is designed in the Blockmesh Dict file an application in the OpenFOAM with dimensions height 0.8m and diameter 0.5m. The Navier-Stokes equations were solved to provide the flow variation that occurs inside the fluidized bed dryer in terms of tem

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Chen, Lan, Chun Hua Lin, Yun Hui Xie, and Song Du. "Drying Kinetics of Granules in a Fluidized Bed Dryer." Advanced Materials Research 412 (November 2011): 459–62. http://dx.doi.org/10.4028/www.scientific.net/amr.412.459.

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Drying is one of the most important methods for industrial processing since moisture content is an extremely relevant parameter affecting the crucial properties of final products. Nowadays, fluidized bed drying technology is widely employed in various industries. Comparing to other drying methods, fluidized beds generate high efficient thermal conditions. In the current study, drying kinetics of cornstarch granules was investigated in a fluidized bed dryer. The drying experiments were performed at different temperatures and velocities of the inlet drying air and in different granule sizes. The

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Oshitani, Jun, Keiichiro Tani, and Zennosuke Tanaka. "Dry Mineral Processing by the Gas-Solid Fluidized Bed." JOURNAL OF CHEMICAL ENGINEERING OF JAPAN 36, no. 11 (2003): 1376–83. http://dx.doi.org/10.1252/jcej.36.1376.

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Ma, Lin Zhuan, Qiong Fang Cui, Jun Ming Guo, and Ying Jie Zhang. "Cold Test of Circulating Fludized Bed Decomposition Phosphogypsum." Advanced Materials Research 581-582 (October 2012): 1160–63. http://dx.doi.org/10.4028/www.scientific.net/amr.581-582.1160.

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Phosphogypsum is the gypsum as a byproduct of the processing of phosphate ore into fertilizer with sulfuric acid. It’s main components is CaSO4. Circulating fluidized bed(CFB) is the best reactor. In this paper the characteristics of phosphogypsum decomposition were analyzed via CFB reaction in cold test. And applied quantity of wind and bed material influenced bed pressure and the quantity of solides and solids concentration.

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Cheng, S. S., S. Y. Huang, J. J. Lay, P. S. Tsai, and L. T. Cho. "Population Dynamics of Attached Biofilm in Anaerobic Fluidized Bed Pilot Plant." Water Science and Technology 26, no. 3-4 (1992): 503–10. http://dx.doi.org/10.2166/wst.1992.0430.

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An innovative anaerobic fluidized bed (AFB) with extreme height (21 metres) was designed by the UCL engineers. Food processing wastewater with relatively low COD concentration less than 1,000 ppm was treated. During the start-up period of seven months, the applied organic loadings (2 to 16 kgCOD/m3 − day) were increased stepwise with decreasing the HRT from 24 to 1.5 hours. Certain upflow velocities of 25 and 37 metres/hour were maintained to fluidize the ceramic particles up to 10 metres high. Population dynamics of the biofilm attached on particle medium was investigated in terms of increasi

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Ruhyat, Nanang, Erna Multahada, and Alfa Firdaus Sirait. "Enhancing Homogeneity and Particle Size Reduction in Coffee–Creamer Mixtures Using Fluidized Bed Mixer." International Journal of Innovation in Mechanical Engineering and Advanced Materials 7, no. 1 (2025): 20. https://doi.org/10.22441/ijimeam.v7i1.31132.

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This study investigates the application of a fluidized bed mixer to improve the homogeneity, particle size distribution, and moisture reduction of coffee and creamer powder mixtures. The research focuses on three types of coffee particles—Type A (145 μm), Type B (100 μm), and Type C (50 μm)—which were mixed with creamer in a weight ratio of 1:0.7. The mixing process was conducted using a prototype fluidized bed mixer with a capacity of 1,000 grams and a blower speed range of 2,800–3,000 rpm. After 10 minutes of mixing, significant reductions in particle size were observed: Type A decreased by

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Atak, Zeynep, Mehmet Koç, and Figen Kaymak-Ertekin. "Akışkan Yatak Kaplama ve Gıda Uygulamaları." Turkish Journal of Agriculture - Food Science and Technology 5, no. 12 (2017): 1550. http://dx.doi.org/10.24925/turjaf.v5i12.1550-1557.1499.

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There are various food-processing technologies with the aim of protecting foodstuffs from environmental factors and increasing their shelf life. One of these is encapsulation technology, which has recently been used with an increased interest. With the fluidized bed coating, which is one of the physical methods used for encapsulation, the solid core materials are fluidized via the air stream and a film layer is formed on the surface of the core material with the coating material. The applicability of the fluid bed coating technique, as well as particulate properties, is significantly influence

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Apelian, D., and S. K. Chaudhury. "Fluidized bed heat treatment of aluminum cast components." Journal de Physique IV 120 (December 2004): 555–62. http://dx.doi.org/10.1051/jp4:2004120064.

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Heat Treatment and post casting treatments of cast components has always been an important step in the control of microstructure, and resultant properties. In the past, the solutionizing, quenching and ageing process steps may have “required” in total over 20 hours of processing time. With the advent of fluidized bed reactors (FB), processing time has been dramatically reduced. For example, instead of 8-10 hours solutionizing time in a conventional furnace, the time required in FB is less than an hour. Experiments with Al-Si-Mg alloy, (both modified with Sr, and unmodified) were performed, hav

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Ding, Yi, Hong You, Wei Sun, et al. "Research on Biological Fluidized Bed System Treatment Performance and Nitrogen Removal Process for Seafood Processing Wastewater with Different Operation Conditions." Water 13, no. 19 (2021): 2630. http://dx.doi.org/10.3390/w13192630.

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In this study, the biological fluidized bed system was used to treat seafood processing wastewater. The sludge was collected from the secondary sedimentation tank of a municipal wastewater treatment plant and acclimated for 200 days before the experiment. The treatment efficiencies of simulated seafood processing wastewater by biological fluidized bed system with different sludge concentrations, different hydraulic retention times (HRTs) and different bio-carriers were studied. The results showed that the removal efficiency of nitrogen and phosphorus increased with the increasing sludge concen

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Holst, T. C., A. Truc, and R. Pujol. "Anaerobic fluidized beds: ten years of industrial experience." Water Science and Technology 36, no. 6-7 (1997): 415–22. http://dx.doi.org/10.2166/wst.1997.0618.

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The Anaflux process, an upflow anaerobic fluidized bed reactor using a mineral bacterial support, has been employed industrially for ten years treating a variety of food-processing and paper industry wastewaters. This paper describes five aspects of the design and operation of the anaerobic fluidized bed which have proven, from industrial experience, to be essential. The optimization of these factors enables a stable functioning of the process and allows the application of high loading rates. Included are the results of a semi-industrial pilot study, treating wine distillation wastewaters, whi

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Li, Hai Guang, Zeng Wu Zhao, Ke Li, Yong Chuan Wang, and Wen Fei Wu. "Studying the Bubble Characteristics of Gas – Particle Flow in a CFB through Image Analysis." Advanced Materials Research 341-342 (September 2011): 328–32. http://dx.doi.org/10.4028/www.scientific.net/amr.341-342.328.

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This study is based on the image processing system by the authors, and performs microscope observations of the bubbles flow in dense-phase transport region of circulating fluidized beds. The research has tested and experimented on a cold scale-model circulating fluidized bed with a riser that has a 0.30mm × 0. 28mm cross-section and is 2.90 m tall with a video camera utilized to visualize the bubble structure through a transparent Plexiglas wall. The experiment was carried out at different particle sizes, different bed materials ,different heights and different height regions .The result analy

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Barascud, M. C., F. Ehlinger, M. Pichon, and J. Rouger. "Cod Removal in a Closed Water Circuit of a Papermill by an Anaerobic Fluidized Bed Reactor." Water Science and Technology 26, no. 1-2 (1992): 445–54. http://dx.doi.org/10.2166/wst.1992.0424.

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In waste paper processing mills, entirely closed process water systems cause high specific polluting problems, deteriorate the quality of the paper produced and corrode the equipment. Operating an anaerobic fluidized bed on part of the circulating water could make it possible to achieve lower dissolved organic concentration in the closed process water system. Laboratory experiments have been carried out according to the following flow-sheet : Water circuit; Acidification tank; Fluidized bed. When the anaerobic treatment is added to the water circuit, COD removal is 75% in the circuit and 65% i

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Tang, Z. D., P. Gao, Y. X. Han, and W. Guo. "Fluidized bed roasting technology in iron ores dressing in China: A review on equipment development and application prospect." Journal of Mining and Metallurgy, Section B: Metallurgy 55, no. 3 (2019): 295–303. http://dx.doi.org/10.2298/jmmb190520051t.

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Due to the undesirable characteristics of iron ore resources in China, it is necessary to utilize refractory iron ores resources with high efficiency. The mining and mineral processing costs are usually high. The supply of domestic iron ores in China has been in serious shortage for a long time. Therefore, the development and utilization of complex and refractory iron ore resources are extremely urgent. Magnetizing roasting followed by magnetic separation is an important method for the beneficiation of low grade iron ores. More attention has been paid to fluidized bed magnetizing roasting rath

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Qu, Xiaohang, Xiaoni Qi, and Da Fang. "A Novel Liquid–Solid Fluidized Bed of Large-Scale Phase-Changing Sphere for Thermal Energy Storage." Applied Sciences 14, no. 21 (2024): 9828. http://dx.doi.org/10.3390/app14219828.

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The storage of thermal energy has been hindered by the low heat-transfer rate of the solid phase of the phase-changing materiel. With water being the heat-transfer fluid as well as the liquid phase in the liquid–solid two-phase system, a novel type of fluidized bed is designed in this study. Numerous hollow spheres are fabricated with phase-changing materiel encapsulated. Adding the solid–liquid phase-change material capsules to the flowing fluid, the capsules are dispersed suspended in the carrier. The large spheres, 25 mm in present experiment, possess the merits of guaranteeing energy-stora

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Zdravkov, Alexander, Doris Groβ, Dragana Životić, Ivan Kojić, Ksenija Stojanović, and Achim Bechtel. "Preliminary petrographic assessment of the suitability of Bobov Dol coals, SW Bulgaria for fluidized-bed coal gasification." Review of the Bulgarian Geological Society 85, no. 1 (2024): 79–84. http://dx.doi.org/10.52215/rev.bgs.2024.85.1.79.

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Coal samples from seams Ia, I, IIa+b, III, IV, and V from the Bobov Dol deposit in SW Bulgaria were studied using optical microscopy and proximate analysis in order to determine their suitability for fluidized-bed gasification. The moderate- to high seam averaged ash yields and the huminite reflectance values in the range 0.43–0.5 classify the studied coals as medium- to very low grade, low-rank A (sub-bituminous) according to the International classification of in-seam coals. Based on the organic composition and ash yields, the coals from seams IIa+b, III, IV, and V seem more suitable for flu

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Dr., Vishal Yadav Gayatri Pawar* Rutuja Sonawalkar Dr. V. Y. Lokhande. "Challenges and Quality Attributes in Fluidized Bed Processing Method in The Manufacturing of Multiparticulates." International Journal of Pharmaceutical Sciences 3, no. 5 (2025): 3182–93. https://doi.org/10.5281/zenodo.15463206.

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Particle coating in fluidized beds is a frequently used technology to preserve active substances or produce well-defined features of the dispersed materials. The bulk of coating procedures is conducted batch-wise, eliminating the possible advantages of the continuous mode of operation, such as lower cost or enhanced management of the process. Particularly when applying many layers of coating, notable advantages may result from ongoing activity. The current study advances    the creation of continuous fluidized beds. covering for chemical and pharmaceutical uses. It is shown that

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BURNS, MARK A., and DAVID J. GRAVES. "The Magnetically Stabilized Fluidized Bed as a Biochemical Processing Tool." Annals of the New York Academy of Sciences 501, no. 1 Enzyme Engine (1987): 103–7. http://dx.doi.org/10.1111/j.1749-6632.1987.tb45693.x.

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Sosa, A. V., P. R. Cordoba, and N. I. Perotti. "Fluidized Bed Design Parameters Affecting Novel Lactic Acid Downstream Processing." Biotechnology Progress 17, no. 6 (2001): 1079–83. http://dx.doi.org/10.1021/bp010089s.

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Vamvuka, Despina, Stelios Sfakiotakis, and Manolis Kotronakis. "Fluidized bed combustion of residues from oranges’ plantations and processing." Renewable Energy 44 (August 2012): 231–37. http://dx.doi.org/10.1016/j.renene.2012.01.083.

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Al-Nuzal, S. M. D., and M. I. Mohammed. "Fluidized Bed Opposed Jet Mill System for Processing Inorganic Materials." IOP Conference Series: Materials Science and Engineering 225 (August 2017): 012002. http://dx.doi.org/10.1088/1757-899x/225/1/012002.

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Palone, Orlando, Juan Diego Palacios Aparicio, Domiziana Vespasiano, et al. "Detailed modelling of a double fluidised bed steam gasifier processing woody biomass and solid recovered fuel mixtures." Journal of Physics: Conference Series 2893, no. 1 (2024): 012015. https://doi.org/10.1088/1742-6596/2893/1/012015.

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Abstract Double fluidized bed gasification is based on the circulation of an inert bed between two reaction sections: the gasification reactor, where a solid feedstock, generally biomass. is converted into a syngas by steam or air oxidation; the combustor or riser, where residual char from the thermal decomposition of the feedstock is oxidized by air (in some cases with additional fuel) to provide the energy contribution for the gasification reactions and ensure autothermal operation of the system. In this work, detailed modelling of a dual fluidized bed steam gasification reactor is performed

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Zhou, Meng, Ozan Kökkılıç, Darryel Boucher, et al. "Investigation of Particle Motion in a Dry Separation Fluidized Bed Using PEPT." Minerals 13, no. 2 (2023): 254. http://dx.doi.org/10.3390/min13020254.

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Developing dry separation methods to replace the commonly used water-based separation has become crucial due to increasing water shortages. One of the candidates for dry processing is gas–solid fluidized beds. The bed behavior and solid motion in fluidized beds have been investigated using various visual and numerical methods for decades. However, there are not enough studies focused on the separation behavior of the fine particles. This work details the investigation of particle motion through a fluidized bed using the positron emission particle tracking (PEPT) technique. Single-particle trac

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Duangkhamchan, Wasan, Prarin Chupawa, Naoshi Kondo, and Donludee Jaisut. "Bed Stability Control in Pulsed Fluidized-Bed Agglomeration of Instant Riceberry Powder Using an Image-Processing Technique." Foods 13, no. 12 (2024): 1859. http://dx.doi.org/10.3390/foods13121859.

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The problematic cohesiveness of food powders can commonly be solved using pulsed fluidized-bed agglomeration. However, progressively larger granules may result in unstable fluidization. The aims of this research study were to investigate fluid bed expansion as affected by particle enlargement and to control its stability using an image-processing technique. Instant riceberry powder (IRP) was agglomerated using varied air pulsation frequencies (1, 2.5, and 4 Hz). Bed expansion captured by image processing revealed that expanded bed height decreased with agglomeration time. The results showed an

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Lee, Min Ji, and Sung Won Kim. "Imaging Method for Measurements of Particle Density and Solid Holdup of Entangled MWCNTs in a Fluidized Bed." Materials 12, no. 12 (2019): 2035. http://dx.doi.org/10.3390/ma12122035.

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A measurement method of the apparent particle density of the carbon nanotube (CNT) particles, characterized by enveloped volume formed by loosely entangled nanotubes, has been proposed for the CNT fluidized bed application. The method is characterized by obtaining the enveloped volume from the CNTs imaging under the free falling condition similar to the fluidized bed. The shape of the falling CNT particles in a column (0.1 m long × 0.012 m wide × 0.60 m high) was photographed using a high-speed camera under the sedimentation condition, and the apparent CNT particle density was calculated from

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