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Hong Kong’s MTR Corp has deployed an automated Vapourised Hydrogen Peroxide Robot to undertake deep cleaning and decontamination of its trains and stations.
The VHP Robot is the result of a joint project between MTR Corp and biotechnology company Avalon Biomedical.
It automatically sprays hydrogen peroxide solution atomised to a specific concentration, ensuring disinfectants penetrate small gaps that are difficult to reach during normal cleaning work.
The operator can set the robot to operate automatically by presetting the floor plan of the designated area, or can use a mobile device to control the robot from up to 20 m away. It takes about 4 h to clean an eight-car train in automatic mode.
If there is a special cleaning situation, such as a passenger vomiting on a train, MTR staff can deploy the VHP Robot to perform deep cleaning with diluted bleach water. The robot was also dispatched to disinfect the back-of-house area at Mong Kok East station, including staff changing rooms, toilets and the mess room as well as the passenger lifts, after a staff member was diagnosed with Covid-19.
The collaboration between MTR and Avalon also includes the introduction of a dedicated manufacturing facility which can produce surgical face masks capable of blocking PM 2·5 particles using nanofibre technology developed by Hong Kong Polytechnic University.
The equipment has been delivered to MTR and setting up of a clean production room is underway. Production is expected to start in the second half of this year at the earliest, with manufacturing meeting the daily consumption rate of MTR staff.
MTR and Avalon are also testing the use of nano-air filtration technology to further improve the air quality of stations.
This article first appeared on www.railwaygazette.com
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