COMPARATIVE EFFECTS OF MODEL ORGANIC COMPOUNDS ON GIBBSITE CRYSTALLIZATION
Watling, H.R., Smith, P.G., Loh, J., Crew, P. and Shaw, M.
Variations in the stereochemistry and functional groups of model organic compounds create some interesting differences in their abilities to affect gibbsite precipitation. Results indicate that in addition to the links between precipitation and adsorption, or precipitation and soda incorporation, there is a further link between poisoning strength and the ability to form complex anions with aluminium in alkaline solution. Other effects noted are increased induction periods, changed particle size distribution and morphologies. These comparative data are valuable tools in understanding mechanisms of crystallization poisoning.