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Study of a cable contactor in ultra-violet disinfection

  • Culture Systems
  • Published:
Biotechnology Techniques

Summary

This preliminary study investigates the possible use of a cable contactor for the sterilization of micro-organisms suspensions in water by ultra-violet radiation. The influence of some of the most important operating parameters has been analysed and a kinetic model of UV disinfection in the “AMAZONE” contactor is proposed. The technical feasibility of the process is seemingly demonstrated.

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Abbreviations

I:

UV light intensity (W/m2)

j:

Number of passages on the cables

k:

Kinetic parameter

n:

Kinetic parameter (m2/J)

NO :

Initial number of m.o. (m.o./ml)

NS :

Surviving m.o. at time t (m.o./ml)

τ:

Mean residence time=V/Q (s)

Q:

Liquid circulation flow rate (m3/s)

t:

Time (s)

T:

Mean residence time of the liquid on the cables (s)

V:

Holding tank volume (m3)

References

  • Anomymous, The Amazone Contactor, Technical notice, Ateliers Toussaint-Nysenne, B 4820 Dison, Belgium, 1987.

  • Anonymous, Germicidal lamps and applications, Philips technical notice, Lighting division, 1979.

  • Onyejekwe F.O., Ph.D. thesis, Faculté Polytechnique de Mons, 1978.

  • Severin B.F., Kinetic modeling of microbiological inactivation by ultraviolet light, Ph. D. Thesis, University of Illinois, 1982.

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Authors and Affiliations

  1. Faculté Polytechnique de Mons, Rue de l'Epargne, 56, B 7000, Mons, (Belgium)

    V. Delattre, C. Delvosalle & M. Vanthournhout

Authors
  1. V. Delattre
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  2. C. Delvosalle
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  3. M. Vanthournhout
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Delattre, V., Delvosalle, C. & Vanthournhout, M. Study of a cable contactor in ultra-violet disinfection. Biotechnol Tech 2, 259–264 (1988). https://doi.org/10.1007/BF01875539

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  • DOI: https://doi.org/10.1007/BF01875539

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