Please use this identifier to cite or link to this item: https://idr.l1.nitk.ac.in/jspui/handle/123456789/16067
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dc.contributor.authorSanthosh Kumar N.
dc.contributor.authorAshraf Ali B.
dc.date.accessioned2021-05-05T10:29:45Z-
dc.date.available2021-05-05T10:29:45Z-
dc.date.issued2020
dc.identifier.citationJournal of the Indian Chemical Society , Vol. 97 , 7 , p. 1129 - 1132en_US
dc.identifier.urihttps://doi.org/
dc.identifier.urihttp://idr.nitk.ac.in/jspui/handle/123456789/16067-
dc.description.abstractThe disposal of sludge from waste water treatment plants adversely affects the environment. Since sludge wastes are sticky, drying of such waste water sludge is challenging. Conventionally, these sludges are dried in open spaces where a large area of land is required which is a time-consuming process. To overcome this, spouted bed is used in the present investigation. The spouted bed is a gas-solid contactor for handling coarse particles of size greater than 1 mm with low operating pressure. In this work, hydrodynamics of waste water sludge in a conventional spouted bed is numerically investigated using Computational Fluid Dynamics (CFD). Euler-Eulerian CFD model is used to study the flow pattern in such system. The continuous phase turbulence (air) is modeled using standard - model. The spouting height and solid circulation rate are calculated to analyze spouting behavior. This is compared with a draft tube spouted bed system and found that the draft tube supports in enhancing the spouting characteristics of the bed. Further, an optimum draft tube configuration is found that promotes solid circulation rate. The drying characteristics are analyzed for various operating conditions and found that the temperature of air significantly improves the rate of drying. © 2020 Scientific Publishers. All rights reserved.en_US
dc.titleComputational investigation of hydrodynamics and drying of industrial sludge waste in a spouted bed columnen_US
dc.typeArticleen_US
Appears in Collections:1. Journal Articles

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