Abstract
This chapter reviews the processes occurring during agglomerative crystallization. Agglomeration is a particle size enlargement process by which fine particles, rather than ions or molecules, are joined in an assembly means within a suspension crystallization or precipitation process, or alternatively by sticking dry powders together with a liquid binder, such as in rotating dishes, drums, or pans, when the process is often known as granulation. These processes therefore result in relatively rapid size enlargement. In agitated crystallizers, particle disruption can also occur, thereby complicating the agglomeration process. The chapter also reviews the determination of agglomeration kinetics. The agglomeration kernel, βaggl, is calculated using the kinetic data already known. Reliable kinetic data are of paramount importance for successful modeling and scale-up of precipitation processes.
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