Mixing Training

Industrial Fluid Mixing: Obtaining Desired Process Results Through Agitation – December 4-6, 2018

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Classroom

University level academic lectures lead by PMSL Director of Mixing Technology, Richard K. Grenville PhD.

Lab

Complement academic lectures with physical demonstrations of phenomena that have been discussed.

Overview

Mixing is an important, sometimes critical operation for the process industries but it is rarely taught in the traditional chemical engineering curriculum. Most engineers are taught the contents of a stirred tank are uniformly mixed and this this happens instantaneously. In some cases, this assumption is valid and in others, when it is not, it can lead to severe problems in the operation of a plant.

PMSL are offering a three-day course in which the science of mixing will be demystified, providing practical knowledge that can be immediately put into practice.

Sessions will be limited to 15* attendees so that mixing phenomena can be effectively demonstrated in PMSL’s world-class lab and test facilities in Palmyra, PA.

Due to the academic nature of the course its contents will contain theory at a level found in BS level engineering degrees. Process and mechanical engineers will be most familiar with the content; all others with an appetite for interpretive equations are welcome!

* Minimum class size: 10

After attending the course, you will be able to:

  • Identify mixing problems and techniques to address them
  • Select appropriate impellers to effectively achieve the desired “process result”
  • Perform calculations for sizing agitators (power, speed, etc.)
  • Discuss process requirements with vendors and assess their proposals
  • Identify problems where advanced modelling techniques can be reliably applied and when lab-scale, physical testing should be performed.

Course Content

  1. Introduction to mixing
    Defining mixing. Characterizing the performance of impellers.
  2. Blending of low / medium viscosity fluids
    Review of common agitator design rules. Estimation of blend times.
  3. Blending of high viscosity / non-Newtonian fluids
    Measurement of viscosity. How viscosity affects mixing. Impeller selection. Estimation of blend times.
  4. Mixing and chemical reactions
    How mixing affects the yield / selectivity of fast, competitive reactions. Lab testing and scale-up. Precipitation.
  5. Solid-liquid mixing
    Degree of suspension versus distribution. Impeller selection and agitator sizing. Mass transfer. Attrition. Feeding and wetting light solids.
  6. Gas-liquid mixing
    Equipment selection. Flooding versus complete dispersion. Impeller selection and agitator sizing. Impeller design for gas draw- down from reactor head space. Mass transfer.
  7. Heat transfer
    Mixing and process side heat transfer. Effect of viscosity. Impeller selection. Overall heat transfer coefficient.
  8. Mechanical considerations
    Design of agitator components. Gearboxes, seal, shafts and impeller blades. Agitator mounting.
  9. Computational fluid dynamics
    What is CFD? The underlying mathematics. Time-averaged versus time-dependent. Validation of code predictions. Examples of “real world” applications.

Test Lab Access

PMSL is dedicated to mixing, and so is our extensive test lab. You will take what you have learned in our classroom and apply it directly to projects in our test lab.

Course Fee

The course fee is $1995 per person which includes:

  • Course Materials
  • Lunch on all three days and dinner on two days

Dates

December 4 – 6, 2018

Instructors

Richard K. Grenville PhD is PMSL’s Director of Mixing Technology and has over 30 years’ experience working in the field of mixing. He is an adjunct professor at Rowan University and the University of Delaware where he co-teaches courses on mixing, a Chartered Engineer and Fellow of the Institution of Chemical Engineers and president of the North American Mixing Forum (2016 – 2018).

Jason J. Giacomelli is PMSL’s Process Development Engineer and runs lab programs and CFD modeling for impeller development and
customer testing. He is currently studying for his PhD with the University of Limerick in Ireland.

David Geesaman is PMSL’s Engineering Manager. He manages the Order Engineering department that designs custom mechanical mixing components. David has 20 years of experience in rotating equipments and mechanical design, with 12 at PMSL.

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To register for Industrial Fluid Mixing: Obtaining Desired Process Results for Agitation, please complete the form below.

I understand that cancellations within 3 weeks of the start of the training are non-refundable. You can apply the funds towards a future training or substitute attendee.

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