An Introduction of Population Balance Modeling for Particulate Processes
- Type: Archived Webinar
As demands on both product quality and production efficiency for particulate materials have increased, modeling of the processes which produce these materials has taken on increased importance. Toward addressing these problems, chemical engineers are masters of mass, mole, energy, and momentum balances. Inarguably, these tools are absolutely indispensable for process design and/or troubleshooting.
In this talk we outline yet another tool for this tool box: population balance (PB) modeling. The PB modeling tool allows an engineer to understand how distributed quantities are balanced in a system. In many solids processing systems, understanding the evolution of the particle size distribution is paramount to design and/or troubleshooting. PB is the tool that guides this understanding.
This webinar provides a first look at how to model solids processing flow sheets using the PB technique. Building on the pioneering work of Hulburt and Katz, Randolph and Larsen, Austin and Klimpel, Ramkrishna, etc., we introduce the PB concept and show how it can be applied to unit operations such as fluidized beds, size reduction, agglomeration, classification, recycle, etc. In particular, emphasis will be placed on the conceptual development rather than detailed mathematics.
Ben Freireich is an Associate Research Scientist in Engineering Sciences at The Dow Chemical Company in the Solids Processing Lab. He obtained his PhD in Mechanical Engineering from Purdue University studying manufacturing processes involving solid materials (particles, powders, etc).
At Dow he has been involved in many products and processes, with expertise on powder flowability, fluidization, size enlargement, attrition, etc.Read more
Karl Jacob is a Fellow in Engineering & Process Sciences at The Dow Chemical Company. He is founder of the Solids Processing Lab at Dow and for the last 30+ years has worked on a vast array of particle technology problems, with particular expertise in silo/hopper design, powder mechanics, pneumatic conveying, particle engineering and drying. He is past chair of the Particle Technology Forum and was on the Board of Directors for AIChE. Karl is a chemical engineering graduate of Case Western Reserve University. He is the senior editor for the Solids Processing chapter for the ninth...Read more
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