Pulping Of Vetiver Grass With NH4OH-KOH-AQ Mixtures

Panitnad  Chandranupap; Pravitra  Chandranupap

Panitnad Chandranupap Department of Chemical Engineering, Faculty of Engineering, King Mongkut’s University of Technology North Bangkok, Bangkok, 10800, Thailand
Pravitra Chandranupap Department of Industrial Chemistry, Faculty of Applied Science, King Mongkut’s University of Technology North Bangkok, Bangkok, 10800, Thailand

Keywords: Spray Drying, Slurry, Drying Kinetics, Heat Transfer, Mass Transfer, Modeling

Abstract

The detail analysis of the heat and mass transfer between the droplet containing
suspended solids and the drying gas was carried out numerically. The temperature and
moisture distributions within the slurry droplet were calculated during the first and
second drying phases. The parametric study revealed that the droplet drying time
decreases with increasing the drying gas temperature and decreasing the droplet
diameter.

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