Solid Suspension and Solid-Liquid Mass Transfer in Stirred Reactors

Joshi, Shitalkumar; Vitankar, Vivek; Dalvi, Vishwanath H.; Joshi, Jyeshtharaj B.

doi:10.1007/978-981-4585-86-6_49-1

Cited by 1 publication

(1 citation statement)

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“…RTD in horizontal flow was much narrower as compared to the vertical flow direction at the same flow rates. It was found that vertical flow is more suitable for systems involving solid particles since stirring action keeps the particles suspended 28 and a relatively high upward flow pushes the particles to the top of the cell, from where particles flow down to the next CSTR with the combined effect of gravity and relatively high flow rate (10 mL/min), which not only helps in handling the higher amount of solid phase but also narrows the RTD. Residence can be decreased in this manner, depending on the kinetics and phases of the photocatalytic reaction.…”

Section: ■ Results and Discussionmentioning

confidence: 99%

Multimode Photo-CSTR (Continuous Stirred Tank Reactor) Setup for Heterogeneous Photocatalytic Processes

Ali,

Meng,

Jiang

2023

Org. Process Res. Dev.

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Photocatalysis has been comprehensively applied to diverse valuable chemical transformations. However, photocatalytic processes have encountered obstacles in gaining wide acceptance in industry, primarily due to scale-up challenges, especially in heterogeneous systems involving equivalent amounts of solids. We designed a photo-continuous stirred tank reactor (CSTR) protocol for heterogeneous photocatalytic processes, which is capable of multiphasic processes with excellent adaptability. Furthermore, glass-wool-supported photocatalyst was successfully made, applied, and recycled at least 12 times without any decrease in hydroxylation of phenylboronic acid in reactivity, enabling gram scale synthesis with high efficiency in photo-CSTR.

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Section: ■ Results and Discussionmentioning

confidence: 99%