Computational Approach to Identify the Effect of Organic Ligand on Struvite Crystallisation

Md. Imtiaj Ali    Phil Schneider

School of Engineering, James Cook University, Townsville QLD 4811, Queensland,
Australia
Email: Md.Ali@jcu.edu.au

Abstract

This paper primarily focused on the process design of struvite (MgNH4PO4.6H2O) crystallization in fed-batch system based on thermodynamics and kinetics. Predominant  thermodynamic parameters relates to the solution chemistry of struvite, which includes
complexes among magnesium, ammonium and phosphate. The kinetics parameters involved mass deposition, size of the growing crystal. This paper then included thermodynamic of ligand (citrate) to identify the effect of ligands on struvite growth kinetics as well as solution
chemistry.

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