PEF Cell disintegration for apple, olive and other plant tissue


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Overview on PEF applications for cell disintegration

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  • Pos 11: External preheaters allow to optimize treatment conditions and to make use of synergistic effects of heat. They can be used in a scale of 20 to 200 l/h. Pos 12: With an external cooler the product can be cooled after the treatment, in a scale of 20 to 200 l/h.
  • PEF Cell disintegration for apple, olive and other plant tissue

    1. 1. Pulsed electric field application as a cell disintegration and decontamination technique for food-, bio- and environmental engineering Stefan Toepfl
    2. 2. <ul><li>Increased competitiveness through efficiency improvements of the production processes used, e.g. by improved energy management, automation or application of novel technologies on material conversion. </li></ul><ul><li>Support of the industry with new production processes Focus of development: </li></ul><ul><ul><li>Pulsed electrical fields </li></ul></ul><ul><ul><li>Extrusion </li></ul></ul><ul><ul><li>High pressure </li></ul></ul><ul><ul><li>Ultrasonic/shock waves technology </li></ul></ul><ul><ul><li>Application of supercritical fluids </li></ul></ul>Quelle Fotos: DIL, Business Field Process Development
    3. 3. Pulsed Electric Fields Processing
    4. 4. Pulsed Electric Field Processing Effects on biological tissue
    5. 5. Impact of PEF-treatment (2 kV/cm) on Jona Gold (JG) and Golden Delicious (GD) juice yield using a decanter centrifuge. Juice yield including an eventual transition of solids to juice Pulsed Electric Field Processing Effects on apple tissue
    6. 6. Olive oil recovery, Spain Replacement of malaxation process with same yield Pulsed Electric Field Processing Effects on olive tissue
    7. 7. Cotton seed oil recovery, India ELCRACK-treatment: 2 kV/cm, 20 kJ/kg PEF Processing Effects on cotton seed
    8. 8. The rockweed (Ascophyllum nodosum) is harvested mechanically on the littoral shore. Kelp (Laminaria digitata) is harvested by a coaster equipped with a dredge. The weed is brought to the plant in the coaster at the end of each day and landed. Products: Meal with variable particle size PEF Processing Seaweed processing
    9. 9. PEF Processing Seaweed processing
    10. 10. 1 Pulsed Electric Field Processing Equipment Design preconditions Turnkey system CE-Compliance CIP/SIP suitability 30 kW system
    11. 11. 30 and 80 kW technical/industrial scale equipment DN 50 mm, 15 t/h Pulsed Electric Field Processing Equipment
    12. 12. Industrial scale Systems available Average and peak power Scale Typology Specification Capacity cell disintegration Capacity microbial inactivation Units realized 5 kW 6 MW p Laboratory scale Transformer DN 10 to 30 mm 30 kV max voltage 1500x1150x1600 mm 3 x 400 V, 32 A 1.500 kg/h 200 l/h 20 Germany, Spain, Ireland, USA, Switzerland, Mexico, India, New Zealand, Korea 30 kW 20 MW p Technical / semi-industrial scale Transformer DN 20 to 40 mm 30 kV max voltage 1500x1150x1600 mm 3 x 400 V, 80 A 10.000 kg/h 1.200 l/h 7 UK, Vietnam, Germany, France, Canada 80 kW 300 MW p (Multiple 160 kW 240 kW) Industrial scale Semi-conductor-based Marx Generator DN 40 to 100 mm 60 kV max voltage 5.000x1.300x2.500 mm 3 x 400 V, 160 A 30.000 kg/h 5.000 l/h 2 Germany, France
    13. 13. Continuous treatment, DN 30 to 80 mm available Pulsed Electric Fields Treatment chambers Electrode Electrode Insulator
    14. 14. Cost effective, short-time cell disintegration technique, improvement of mass transfer processes Equipment available at DIL, worldwide a dozen systems operational. Contact: DIL Prof. Stefan Toepfl Quakenbrück, Germany [email_address] Pulsed Electric Fields Conclusions