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Related Experiment Videos

Continuous protein recovery from whey using liquid-solid circulating fluidized bed ion-exchange extraction.

Qingdao Lan1, Amarjeet Bassi, Jing-Xu Jesse Zhu

  • 1Department of Chemical and Biochemical Engineering, The University of Western Ontario, London, ON, Canada N6A 5B9.

Biotechnology and Bioengineering
|March 1, 2002
PubMed
Summary

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This study optimized a liquid-solid circulating fluidized bed (LSCFB) system for efficient total protein recovery from whey. The robust system achieved high protein removal efficiency and productivity, demonstrating its viability for industrial applications.

Area of Science:

  • Biochemical Engineering
  • Separation Science
  • Food Processing Technology

Background:

  • Whey protein recovery is crucial for food and nutraceutical industries.
  • Continuous ion-exchange extraction offers a promising method for efficient protein separation.
  • Optimizing system design and operating conditions is key to maximizing recovery and productivity.

Purpose of the Study:

  • To investigate a liquid-solid circulating fluidized bed (LSCFB) continuous ion-exchange extraction system for total protein recovery from whey.
  • To evaluate the effectiveness of a dynamic seal in the LSCFB system.
  • To determine optimal operating conditions for protein recovery and system stability.

Main Methods:

  • Utilized a liquid-solid circulating fluidized bed (LSCFB) reactor for continuous ion-exchange extraction.

Related Experiment Videos

  • Investigated various operating conditions to optimize protein recovery efficiency and system productivity.
  • Evaluated the performance and establishment of a dynamic seal between the riser and downcomer.

    • Main Results:

    • Established optimal conditions for a robust and stable LSCFB system start-up.
    • Achieved a productivity of 8.2 g total protein/hour/kg resin with 78.4% protein removal efficiency under optimal conditions.
    • Demonstrated higher overall protein recovery up to 90% under alternative conditions, albeit with lower productivity.

    Conclusions:

    • The LSCFB continuous ion-exchange system is a stable and effective method for total protein recovery from whey.
    • System performance can be tuned to prioritize either maximum recovery or maximum productivity.
    • Further optimization holds potential for enhanced efficiency in industrial-scale whey processing.