The characteristic length scales in direct mode of drop formation from the edges of spinning discs with different surface wetting characteristics

Sahoo, Kshetramohan

doi:10.1016/j.ces.2022.118068

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Spinning Disc–spinning Bowl Contactor1

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2023

2025

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Cited by 6 publications

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“…The spinning discs are used to contact liquid streams on them or one liquid stream with the gas phase above. We have used a spinning disc as an atomizer to release drops with significant radial velocity − without an air draft. To our knowledge, this is the first instance of a mixing device relying on droplet impact on a moving liquid film.…”

Section: Spinning Disc–spinning Bowl Contactormentioning

confidence: 99%

Spinning Disc–Spinning Bowl Contactor

Kumar

Sahoo

2023

Ind. Eng. Chem. Res.

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We present a new continuous contactor for rapidly mixing two liquid streams with low back-mixing. The contactor consists of a spinning disc and a spinning bowl. The bowl is fed continuously at the bottom. The fine drops of other liquid, generated by the spinning disc, impinge the thin film of rising liquid on the bowl's inner wall and bring about mixing. The mixed stream rises to the top of the bowl and gets collected in stationary collectors by the radially outward flow at the bowl top. We demonstrate the continuous synthesis of spherical nanoparticles of curcumin through an antisolvent precipitation route using the new contactor.

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