Mixing Characteristics of Irrigated Packed Towers

Otake, Tsutao; Kunugita, Eiichi

doi:10.1252/kakoronbunshu1953.22.144

Cited by 63 publications

(13 citation statements)

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“…*OGa-o.Mad, (38) where Ga is the Galileo number dP3g2/$ and the liquid velocity used in the definition of HeL is the superficial velocity. This represents a refinement over similar correlations developed by Otake and Kunigita (1958) and Otake and Okada (1953). Representative values of PeL for countercurrent air-water flow through 2.54-cm or 0.635-cm Raschig rings are 0.25 at ReL = 10 and 0.5 at ReL = 100 which are reasonably close to those reported by Hochman and Effron.…”

Section: Page 224supporting

confidence: 77%

Trickle‐bed reactors

1975

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Section: Page 224supporting

confidence: 77%

Trickle‐bed reactors

1975

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“…Raschig rings for determining mixing coefficients for bubble flow. Liquid mixing with trickle operation was studied by Otake and Kunugita (7) in beds of about 2-in. with %-in.…”

mentioning

confidence: 99%

Axial mixing of liquid in gas‐liquid flow through packed beds

Hoogendoorn

Lips

1965

Can J Chem Eng

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The axial mixing in the liquid phase of a gas‐liquid flow through a packed column was studied with air and water flowing counter‐currently in a 1.33 ft. diameter column with 1/2‐in. Raschig rings. The results for bubble flow (liquid continuous) indicate that liquid staging corresponds to about one ideal mixing stage per foot in the range of flow rates investigated. An approximate correlation for the axial diffusion coefficient has been established. In trickle operation strong tailing was found. This could be explained from exchange between the main stream and a static liquid hold‐up.

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“…Furthermore, in [16,17] Eq. (1) was solved by assuming a negative step in concentration as an initial condition.…”

Section: Fundamental Equations Of the Dispersion Modelmentioning

confidence: 99%