Studies on the Fluidized Bed Electrode

Kumar, Siva; Ramamurthy, Thilakavathi; Subramanian, Bala; Basha, A. Mohamed Haroon

doi:10.2202/1542-6580.1610

Cited by 7 publications

(3 citation statements)

References 16 publications

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“…These feature solid catalyst particles held in suspension by an upward gas or liquid flow stream, providing excellent catalyst interaction and mixing for electrochemical reactions. 96 Although fluidised bed reactors suffer from poor electrical contact, they removed the assumption that an electrochemical cell has to have two parallel electrodes. A recent paper demonstrated that improved electrical contact was made using magnetisable electrode particles under the influence of a magnetic field.…”

Section: Examples Of Reactor Designs and Their Performancementioning

confidence: 99%

Review—The Design, Performance and Continuing Development of Electrochemical Reactors for Clean Electrosynthesis

Perry

León

Walsh

2020

J. Electrochem. Soc.

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A critical review of classical and improved electrodes, electrocatalysts and reactors is provided. The principles governing the selection of electrochemical flow reactor or progression of a particular design for laboratory or pilot scale are reviewed integrating the principles of electrochemistry and electrochemical engineering with practical aspects. The required performance, ease of assembly, maintenance schedule and scale-up plans must be incorporated. Reactor designs can be enhanced by decorating their surfaces with nanostructured electrocatalysts. The simple parallel plate geometry design, often in modular, filter-press format, occupies a prominent position, both in the laboratory and in industry and may incorporates porous, 3D or structured electrode surfaces and bipolar electrical connections considering the reaction environment, especially potential- and current-distributions, uniformity of flow, mass transport rates, electrode activity, side reactions and current leakage. Specialised electrode geometries include capillary gap and thin film cells, rotating cylinder electrodes, 3-D porous electrodes, fluidised bed electrodes and bipolar trickle tower reactors. Applications span inorganic, organic electrosynthesis and environmental remediation. Recent developments in cell design: 3D printing, nanostructured, templating 3D porous electrodes, microchannel flow, combinatorial electrocatalyst studies, bioelectrodes and computational modelling. Figures of merit describing electrochemical reactor performance and their use are illustrated. Future research and development needs are suggested.

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Section: Examples Of Reactor Designs and Their Performancementioning

confidence: 99%

Review—The Design, Performance and Continuing Development of Electrochemical Reactors for Clean Electrosynthesis

Perry

León

Walsh

2020

J. Electrochem. Soc.

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“…Drying is a process related to reduction of moisture content of a solid matter by evaporation, blowing or heating at moderate temperature at normal or vacuum pressure [8]. Fluidized bed dryer is applied in many industries, such as mining, food, chemical and pharmaceutical industries [9]. The solid material used in drying process can be existed as powder, granules, crystals, plant seeds and even as slurry, paste, and suspension [6].…”

Section: Introductionmentioning

confidence: 99%

Drying Kinetic Models of Rice Applying Fluidized Bed Dryer

Hasibuan¹,

Sari²,

Manurung³

et al. 2023

MMEP

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Rice is the main food in Indonesia. Rice drying by using the traditional method directly under the sun light can require a long time to complete. The aim of this study is to investigate the appropriate kinetics modeling of rice with applied by fluidized bed dryer. A rice bed with 2-cm thickness has been dried at various temperatures (50℃, 60℃, and 70℃) with air velocity of 10 m/s applied from hot air fluidized dryer obtained from pyrolysis process. The appropriate rice drying kinetics modeling has been selected based on the agreement between experimental results and seven drying kinetics equations available namely the drying kinetics modeling of Newton, Page, Henderson-Pabis, Logarithmic, Midilli, Two Term, and Verma. The degree of accuracy for the kinetics modeling is determined based on six statistics parameters namely the coefficient determination (R2), mean absolute deviation (MAD), mean square error (MSE), root mean square error (RMSE), Akaike information criterion (AIC), and Schwarz information criterion (SIC). The results of the study show that the Verma drying kinetics modeling is the most appropriate model for rice using fluidized bed dryer with all given temperatures (50℃, 60℃, and 70℃) with regard to six given statistics parameters (R2, MAD, MSE, RMSE, AIC, and SIC).

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“…Fluidization is a technique by which fine solids are contacted with fluid (gas, liquid, or mixture of both) to transform into a fluid‐like state for the purpose of high mass transfer and heat transfer between phases. Ascribed to its high mass transfer coefficient, well contact among reactants and large electrode area, fluidized bed electrode (FBE) had been widely used in chemical process industry, such as fermentation, metallurgy, energy conversion, and wastewater treatment.…”

Section: Introductionmentioning

confidence: 99%

Electrochemical performance of a fluidized bed electrode fuel cell with molten carbonate electrolyte

et al. 2015

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Molten carbonate fuel cell (MCFC) has been extensively studied and vigorously developed. However, the shortage in gas‐diffusion electrode limits its widely application to a large extent. Fluidized bed electrode (FBE) has been paid more and more attention all around the world due to its high mass and heat transfer coefficient. In this study, a novel fuel cell combined MCFC and FBE is proposed, which is called fluidized bed electrode fuel cell (FBEFC). Its polarization characteristics are fundamentally investigated under various experimental conditions. The optimal performance of the FBEFC is obtained under the following conditions with an open circuit voltage of 0.987 V and a peak power density of 39.6 mW cm−2: electrolyte composition, 62 % Li2CO3: 38 % K2CO3; O2/CO2 ratio, 1/2; reaction temperature, 923 K; anode gas flow rate, 402 ml min−1; and cathode gas flow rate, 1723 ml min−1

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Studies on the Fluidized Bed Electrode

Cited by 7 publications

References 16 publications

Review—The Design, Performance and Continuing Development of Electrochemical Reactors for Clean Electrosynthesis

Review—The Design, Performance and Continuing Development of Electrochemical Reactors for Clean Electrosynthesis

Drying Kinetic Models of Rice Applying Fluidized Bed Dryer

Electrochemical performance of a fluidized bed electrode fuel cell with molten carbonate electrolyte

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