Applications and Recent Developments

Ranade, Vivek V.; Chaudhari, Raghunath V.; Gunjal, Prashant R.

doi:10.1016/b978-0-444-52738-7.10006-3

Cited by 3 publications

(3 citation statements)

References 59 publications

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“…Such reactors contain particles in the submillimetre range and are, therefore, often called micro-trickle or micro packed-bed reactors. Fundamentals and applications were addressed in several books [121][122][123] and reviews [3,6,120,[124][125][126][127].…”

Section: Mini Trickle-bed Reactormentioning

confidence: 99%

“…Micro packed-bed reactors with particles of a few micrometres provide very fast mass transfer and nearly plug flow behaviour that make them an excellent tool to access intrinsic kinetic data [120,[128][129][130][131][132][133], although radial mass transfer may negatively affect the obtained data as has been recently discussed by Moulijn et al [134]. For the near future, Ranade et al [122] as well as Hommes et al [135] attested micro packed bed reactors also several application areas, especially in the production of specialties and pharmaceuticals due to the above-discussed features, which excellently meet the needs of hydrogenations, oxidations, or fluorinations.…”

Section: Mini Trickle-bed Reactormentioning

confidence: 99%

“…Details on the general construction, hydrodynamics, and mass transfer for various operation modes, as well as approaches to simulate relevant processes, have been described in numerous original papers, reviews, and books. For general information, the interested reader may be referred to Al-Dahhan et al [65], Dudukovic et al [139], Iliuta et al [140], Ranade et al [122], whereas the forced cyclic operation was intensively discussed by Atta et al [141], Lange et al [142,143] and Schubert [144]. In the last few years, research on offshore installations [145][146][147] and rotating beds [148][149][150] has also appeared.…”

Section: Trickle-bed Reactormentioning

confidence: 99%

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Reactor Selection for Upgrading Hemicelluloses: Conventional and Miniaturised Reactors for Hydrogenations

et al. 2021

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This work presents an advanced reactor selection strategy that combines elements of a knowledge-based expert system to reduce the number of feasible reactor configurations with elaborated and automatised process simulations to identify reactor performance parameters. Special focus was given to identify optimal catalyst loadings and favourable conditions for each configuration to enable a fair comparison. The workflow was exemplarily illustrated for the Ru/C-catalysed hydrogenation of arabinose and galactose to the corresponding sugar alcohols. The simulations were performed by using pseudo-2D reactor models implemented in Aspen Custom Modeler® and automatised by using the MS-Excel interface and VBA. The minichannel packings, namely wall-coated minichannel reactor (MCWR), minichannel reactor packed with catalytic particles (MCPR), and minichannel reactor packed with a catalytic open-celled foam (MCFR), outperform the conventional and miniaturised trickle-bed reactors (TBR and MTBR) in terms of space-time yield and catalyst use. However, longer reactor lengths are required to achieve 99% conversion of the sugars in MCWR and MCPR. Considering further technical challenges such as liquid distribution, packing the reactor, as well as the robustness and manufacture of catalysts in a biorefinery environment, miniaturised trickle beds are the most favourable design for a production scenario of galactitol. However, the minichannel configurations will be more advantageous for reaction systems involving consecutive and parallel reactions and highly exothermic systems.

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Section: Mini Trickle-bed Reactormentioning

confidence: 99%

Section: Mini Trickle-bed Reactormentioning

confidence: 99%

Section: Trickle-bed Reactormentioning

confidence: 99%

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Reactor Selection for Upgrading Hemicelluloses: Conventional and Miniaturised Reactors for Hydrogenations

et al. 2021

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Carbon monoxide conversion by anaerobic microbiome in a thermophilic trickle bed reactor

Ali,

Samadi,

Yde

et al. 2024

Biochemical Engineering Journal

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Cu(II) removal from aqueous solution in trickle tray adsorber using non-woven fabric modified via radiation-assisted functionalization

Limsuwan,

Lertsarawut,

Hemvichian

et al. 2024

Sci Rep

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An investigation into Cu(II) adsorption from contaminated water utilizing a trickle tray column that has been upscaled from batch-scale adsorption was performed to understand the efficacy of the adsorbent when used in a continuous system-which is more common in actual use in an industry. The size of the functionalized fabric adsorbent selected in a pilot-scale is about four times larger than a batch-scale. The continuous Cu(II) adsorption was analyzed using three parameters: initial Cu(II) concentration in solution; inlet solution flow rate and number of adsorbent sheets in the column to estimate the adsorption process's breakthrough curve results. The breakthrough curve results were fitted with three mathematical models by Thomas, Yoon-Nelson and Adams-Bohart to comprehend the mechanisms of the adsorption process. All three mathematical models can be used to reliably describe the continuous adsorption process using diverse conditions applied in this study. Overall results showed that PBMEP-g-PE/PP adsorbent using the trickle tray column demonstrated as high as 97% efficiency of Cu(II) adsorption during the first 6 h. Three-cycle reutilization of the adsorbent through a process of adsorption-desorption revealed that Cu(II) removal efficiency surpassed 70% after 6 h of each cycle, confirming the suitability of this system for practical application.

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Applications and Recent Developments

Cited by 3 publications

References 59 publications

Reactor Selection for Upgrading Hemicelluloses: Conventional and Miniaturised Reactors for Hydrogenations

Reactor Selection for Upgrading Hemicelluloses: Conventional and Miniaturised Reactors for Hydrogenations

Carbon monoxide conversion by anaerobic microbiome in a thermophilic trickle bed reactor

Cu(II) removal from aqueous solution in trickle tray adsorber using non-woven fabric modified via radiation-assisted functionalization

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