Tuesday, June 2, 2020

“Ultra Swachh” Booth developed by DRDO to disinfect PPEs


The Defence Research Development Organization (DRDO) developed a disinfection unit called Ultra Swachh. The unit is used to disinfect articles such as electronic items, Personal Protective Equipment, fabrics, etc.

About the unit


  • The Unit uses an advanced oxidative process called Ozonated Space Technology to disinfect the items. 
  • The device also uses Ozone Sealant Technology that involves trapping of Ozone. 
  • The Ultra Swachh Unit houses a catalytic converter that makes it environment friendly. 
  • It also holds several safety features such as door interlocks, emergency shut down, delay cycle, dual doors, leak monitors, etc.
  • The system complies to International Standards of Industrial, Personal, Occupations and Environmental Safety.

Ozone as dainfectntis


  • Ozone is an oxidizing compound that rapidly oxidizes organic materials, manganese, iron, etc. 
  • Ozone is highly unstable and oxidises to form oxygen within 15 to 20 seconds. 
  • This property of ozone is used in disinfection.
  • Because of its high oxidization potential, ozone disinfects or rather oxidises cell components. 
  • When the cellular wall or membrane of a cell gets damaged, the cell falls apart. This process is called lysis. 
  • It is through this process, ozone oxidises or kills microorganisms.

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