Novel multistage solid–liquid circulating fluidized bed: liquid phase mixing characteristics

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Novel multistage solid–liquid circulating fluidized bed : liquid phase mixing characteristics. / Thombare, Manjusha A.; Kalaga, Dinesh V.; Bankar, Sandip B.; Kulkarni, Rahul K.; Satpute, Satchidanand R.; Chavan, Prakash V.

In: Particulate Science and Technology, 29.01.2019.

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Thombare, Manjusha A. ; Kalaga, Dinesh V. ; Bankar, Sandip B. ; Kulkarni, Rahul K. ; Satpute, Satchidanand R. ; Chavan, Prakash V. / Novel multistage solid–liquid circulating fluidized bed : liquid phase mixing characteristics. In: Particulate Science and Technology. 2019.

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@article{2d0312f12b34436d910d54bbde5eba94,
title = "Novel multistage solid–liquid circulating fluidized bed: liquid phase mixing characteristics",
abstract = "Liquid phase axial mixing studies have been carried out in the novel solid–liquid circulating fluidized bed (SLCFB). The SLCFB primarily consists of a single multistage column (having an inner diameter of 100 mm i.d. and length of 1.40 m) which is divided into two sections wherein both the steps of utilization, namely loading (e.g., adsorption and catalytic reaction) and regeneration of solid phase, can be carried out simultaneously in continuous mode. Weak base anion exchange resin was used as the solid phase, whereas water as the fluidizing medium. The effects of physical properties of solid phase, superficial liquid velocity, and solid circulation rate on liquid phase axial dispersion coefficient were investigated. The dispersion coefficient increases monotonically with an increase in the size of solid particle, superficial liquid velocity, and solid circulation rate. The axial dispersion model (ADM) was used to model experimental residence time distribution (RTD) data. A good agreement was found between ADM predictions and the experimental measurements. A unified correlation has also been proposed to determine dispersion coefficient as a function of physical properties of solid and liquid phases, superficial liquid velocity, and solid circulation rate based on all previous and present experimental data on multistage SLCFB.",
keywords = "axial dispersion model, dispersion coefficient, Liquid mixing, solid–liquid circulating fluidized bed, solid–liquid fluidized bed",
author = "Thombare, {Manjusha A.} and Kalaga, {Dinesh V.} and Bankar, {Sandip B.} and Kulkarni, {Rahul K.} and Satpute, {Satchidanand R.} and Chavan, {Prakash V.}",
year = "2019",
month = "1",
day = "29",
doi = "10.1080/02726351.2018.1522403",
language = "English",
journal = "Particulate Science and Technology",
issn = "0272-6351",
publisher = "Taylor and Francis Ltd.",

}

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TY - JOUR

T1 - Novel multistage solid–liquid circulating fluidized bed

T2 - liquid phase mixing characteristics

AU - Thombare, Manjusha A.

AU - Kalaga, Dinesh V.

AU - Bankar, Sandip B.

AU - Kulkarni, Rahul K.

AU - Satpute, Satchidanand R.

AU - Chavan, Prakash V.

PY - 2019/1/29

Y1 - 2019/1/29

N2 - Liquid phase axial mixing studies have been carried out in the novel solid–liquid circulating fluidized bed (SLCFB). The SLCFB primarily consists of a single multistage column (having an inner diameter of 100 mm i.d. and length of 1.40 m) which is divided into two sections wherein both the steps of utilization, namely loading (e.g., adsorption and catalytic reaction) and regeneration of solid phase, can be carried out simultaneously in continuous mode. Weak base anion exchange resin was used as the solid phase, whereas water as the fluidizing medium. The effects of physical properties of solid phase, superficial liquid velocity, and solid circulation rate on liquid phase axial dispersion coefficient were investigated. The dispersion coefficient increases monotonically with an increase in the size of solid particle, superficial liquid velocity, and solid circulation rate. The axial dispersion model (ADM) was used to model experimental residence time distribution (RTD) data. A good agreement was found between ADM predictions and the experimental measurements. A unified correlation has also been proposed to determine dispersion coefficient as a function of physical properties of solid and liquid phases, superficial liquid velocity, and solid circulation rate based on all previous and present experimental data on multistage SLCFB.

AB - Liquid phase axial mixing studies have been carried out in the novel solid–liquid circulating fluidized bed (SLCFB). The SLCFB primarily consists of a single multistage column (having an inner diameter of 100 mm i.d. and length of 1.40 m) which is divided into two sections wherein both the steps of utilization, namely loading (e.g., adsorption and catalytic reaction) and regeneration of solid phase, can be carried out simultaneously in continuous mode. Weak base anion exchange resin was used as the solid phase, whereas water as the fluidizing medium. The effects of physical properties of solid phase, superficial liquid velocity, and solid circulation rate on liquid phase axial dispersion coefficient were investigated. The dispersion coefficient increases monotonically with an increase in the size of solid particle, superficial liquid velocity, and solid circulation rate. The axial dispersion model (ADM) was used to model experimental residence time distribution (RTD) data. A good agreement was found between ADM predictions and the experimental measurements. A unified correlation has also been proposed to determine dispersion coefficient as a function of physical properties of solid and liquid phases, superficial liquid velocity, and solid circulation rate based on all previous and present experimental data on multistage SLCFB.

KW - axial dispersion model

KW - dispersion coefficient

KW - Liquid mixing

KW - solid–liquid circulating fluidized bed

KW - solid–liquid fluidized bed

UR - http://www.scopus.com/inward/record.url?scp=85060814358&partnerID=8YFLogxK

U2 - 10.1080/02726351.2018.1522403

DO - 10.1080/02726351.2018.1522403

M3 - Article

JO - Particulate Science and Technology

JF - Particulate Science and Technology

SN - 0272-6351

ER -

ID: 31897246