Employ Static Mixers for Process Intensification

Mixing is a common operation in the chemical process industries (CPI), and is critical to the success of many processes. The cost of poor mixing -- in the form of lower yields, difficulties in process development and scaleup, and lost opportunities to commercialize new products - has been estimated...

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Bibliographic Details
Published in:Chemical engineering progress 2018-03, Vol.114 (3), p.55-63
Main Authors: Myers, Kevin J, Janz, Eric E, Cathie, Neil, Jones, Mark A
Format: Article
Language:English
Subjects:
Batch processing
Chemical engineering
Chemical process industries
Chemical reactions
Design
Energy dissipation
Energy requirements
Fluid dynamics
Fluids
Heat transfer
Laminar flow
Mixers
Process intensification
Product development
Reynolds number
Turbulent flow
Viscosity
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Summary:Mixing is a common operation in the chemical process industries (CPI), and is critical to the success of many processes. The cost of poor mixing -- in the form of lower yields, difficulties in process development and scaleup, and lost opportunities to commercialize new products - has been estimated to be in the billions of dollars. Improvements in mixing can enable the manufacture of new and better products, reduce the generation of unwanted byproducts, allow the use of smaller equipment, and reduce energy requirements. In the 50 years since their commercial introduction, static mixers (also called motionless mixers) have become established throughout the CPI in numerous operations, including blending, phase contacting, chemical reaction, and heat transfer. This article explains how static mixers work, describes the most common types of static mixing elements, and discusses how static mixers can be used in laminar- and turbulent-flow applications.
ISSN:0360-7275
1945-0710