Health
An air filter that can kill the Covid-19 virus developed immediately
On July 10, New York (IANS) scientists developed a “catch and kill” air filter that can trap and immediately kill the virus that causes Covid-19.
According to a study published in the magazine Materials Today Physics, a single pass through a filter made from commercial nickel foam heated to 200 degrees Celsius (Celsius), or about 392 degrees Celsius, produces 99.8% of the Covid-19 virus. % Was killed. Fahrenheit. He also killed 99.9% of B. anthracis spores at a test at the Galveston National Laboratory run by the University of Texas Medical School in the United States.
“This filter could help prevent the spread of Covid-19 in airports, planes, office buildings, schools, and cruise ships,” said Zhifeng Ren, a co-author of the University of Houston in the United States. ..
“Its ability to help control the spread of the virus may be of great benefit to society.” Medistar executives have also proposed a desktop model that can clean the air of office workers, “he said. Added.
The research team knew that the virus could not withstand temperatures above 70 degrees Celsius, so the researchers decided to use a heated filter. By raising the filter temperature even higher (about 200°C), the virus could be killed almost instantly. Len suggested using nickel foam and said it met some important requirements. It is also flexible. However, nickel foam’s low resistivity makes it difficult to raise the temperature high enough to quickly kill the virus.
The researchers solved the problem by folding the foam and connecting multiple compartments with wires to make resistance high enough to reach temperatures as high as 250 degrees. By electrically heating the filter rather than heating it externally, the researchers minimized the amount of heat escaping from the filter and allowed the air conditioner to function with minimal strain.
The prototype was created by a local workshop and first tested in Ren’s lab for voltage/current vs. temperature. I then went to the Galveston Institute to test my ability to kill the virus.
“This new bio-defense indoor air protection technology provides the first in-line protection against airborne SARS-CoV-2 transmission through the environment,” the study author writes.
-IANS
This / vd
Disclaimer:- This article has not been edited by Outlook staff and is auto-generated from the news feed. Source: IANS
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