Modeling of dry granular and solid-liquid flows in chemical engineering processes

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Particulate flows, which can be found in the chemical processes of many industries such as the pulp and paper, pharmaceutical, food and petroleum, are known to exhibit complex behavior that still remains poorly understood. In the pharmaceutical industry, for instance, the lack of knowledge concerning the mechanisms governing the mixing processes involved in the manufacturing of solid form drugs is such that the design and scale-up of these processes is generally achieved by empirical methods. The objective of this on-going research program is to gain insight into the behavior of particulate systems by developing efficient and accurate computer models that simulate the flow of particles in such systems. Of particular relevance to this work is the application of these models to dry granular and solid-liquid mixing processes found in many industries, and to coating operations for the manufacturing of value-added paper.