Drying of portland cement raw material slurries:predicting the performance of a counter-current spray drier

Esubiyi, Akinpelu O. (1980). Drying of portland cement raw material slurries:predicting the performance of a counter-current spray drier. PHD thesis, Aston University.

Abstract

An extensive review of literature has been carried out concerning the drying of single drops, sprays of droplets and the prediction of spray drier performances. The experimental investigation has been divided into two broad parts mainly: (1) Single Drop Experiments, and (2) Spray Drying and Residence Time Distribution Experiments. The thermal conductivity of slurry cakes from five different sources have been experimentally determined using a modified Lee's Disc Apparatus and the data collected was correlated by the polynominal... Good agreement was observed between the experimental thermal conductivity values and the predicted ones. The fit gave a variance ... for the various samples experimented on. A mathematical model for estimating crust mass transfer coefficient at high drying temperatures was derived.

Divisions: Engineering & Applied Sciences > Chemical engineering & applied chemistry
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Institution: Aston University
Uncontrolled Keywords: drying,portland cement,raw material slurries,predicting performance,counter-current,spray drier
Completed Date: 1980-08

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