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The Clean Team: Meet the Robots Taking On Environmental Disinfection

Historically, cleaning and disinfecting has been limited to buckets and rags, however, newer technologies have been implemented into these practices. Here is a closer look at the robots taking on environmental disinfection. 

A Look at the Cleaning Process 

In indoor environments, cleaning and disinfection is often a multi-step process that involves equipment and personnel.

Illustration of bucket with cleaning equipment and a broom
 

Typically areas such as these are subject to:

 

  • Routine Cleanings,
  • Terminal Cleanings, and
  • Scheduled Cleanings.1
       
    To touch briefly on these types of cleaning processes, routine cleanings normally involve cleaning areas on a 24-hour basis, and can involve the cleaning (or the manual removal of dust, dirt, and microorganisms using a detergent and water)2 of low-touch and high-touch surfaces.3

    Terminal cleanings generally occur after a person or persons have vacated a room or area. In terminal cleaning, an emphasis is placed on the manual removal of personal items that may cause the spread of microorganisms, the manual cleaning of windows and floors, and again, the manual cleaning/scrubbing of high-touch surfaces.4

 

Finally, scheduled cleanings typically occur at weekly, monthly, or annual intervals. These cleanings can involve hard-to-reach places such as walls, corners, window curtains, and blinds. If such surfaces are soiled, more immediate cleanings can occur.5

The Disinfection Process

Disinfection is the process of eliminating microorganisms from a surface using an EPA Registered Solution.6 7 

four blue lines with text and illustrations
 

Though many disinfection methods exist, of particular note is the use of Ultraviolet (UV) light. When UV light is used to deactivate microorganisms, it is called Ultraviolet Germicidal Irradiation, or UVGI for short.8


Ultraviolet C light, or UV-C light, particularly at wavelengths of 254 nanometers (nm), has been associated with the reduction of microorganisms such as:

 

  • Staphylococcus aureus,
  • Escherichia coli, and 
  • Candida Albicans.

The efficacy rate of these reductions can be at least as high as over 3-log to over 6-log, or 99.9 to 99.9999%.9 10

 

UVD Robots for Environmental Disinfection

UVD Robots are a series of mobile, self-navigating robots that use 254 nm UV-C light for disinfection.11 They are produced by Blue Ocean Robotics, a Danish company that develops mobile robots for the service industry.12

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As mobile units that utilize UV-C light, UVD Robots can be used as a no-touch disinfection solution to aid in the cleaning and disinfection process. Their use in indoor settings has been found in laboratory studies to reach at over 3-log reductions in these microorganisms, or an efficacy rate of over 99.9%.13 14

 

When used in conjunction with manual cleaning methods, UVD Robots have the potential to help bring disinfection efficacy to higher levels.15 

 

 

UVD_C_Side_

 

Get in contact

UVD Robots provide fully automated disinfection solutions with predictable, and cost effective outcomes in various facilities.


Click the button to learn how our UVD Robots are using UV-C light to eliminate more than 99.99% of selected microorganisms in the environment by disinfecting with UV-C light.

 

 

 

 

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1, 2, 3, 4, 5, 6.  Guh, Alice, and Philip Carling. "Options for evaluating environmental cleaning." (2010).

7.  "EPA Regulations About UV Lights that Claim to Kill or Be Effective Against Viruses and Bacteria. United States Environmental Protection Agency,  Document # 305F20004, October 2020."

8. Kowalski, Wladyslaw. Ultraviolet germicidal irradiation handbook: UVGI for air and surface disinfection. Springer science & business media, 2010.

9. Edwards-Jones, Val. "Assessment of UVD Robot Against Reduction of MultiDrug Resistant Klebsiella pneumoniae, Acinetobacter baumannii and Clostridium difficile on Surfaces." Essential Microbiology Ltd. and Melbec Microbiology Ltd., Apr. 2019, www.melbecmicrobiology.co.uk, www.essentialmicrobiology.com. 

10. Andersen, Helle Stendahl. Analysis Report: Test of UV Disinfection Robot acc. NF T72-281Report Number 754372_Rev. 2. Danish Technological Institute, 2020. 

11. González, Carlos M. "Cleaning with UV light." Mechanical Engineering 143.1 (2021): 32-33.

12. Mehta, Ishaan, et al. "UV disinfection robots: a review." Robotics and Autonomous Systems (2022): 104332.

13. Edwards-Jones, Val. "Assessment of UVD Robot Against Reduction of MultiDrug Resistant Klebsiella pneumoniae, Acinetobacter baumannii and Clostridium difficile on Surfaces." Essential Microbiology Ltd. and Melbec Microbiology Ltd., Apr. 2019, www.melbecmicrobiology.co.uk, www.essentialmicrobiology.com

14. Andersen, Helle Stendahl. Analysis Report: Test of UV Disinfection Robot acc. NF T72-281Report Number 754372_Rev. 2. Danish Technological Institute, 2020.

15. Zeldovich, Lina. "The Robot Will See You Now." Mechanical Engineering 142.06 (2020): 34-39.