New Graphene Air Filter: Active Protection
Release time:
2021-10-31
On April 20, according to foreign media reports, with the world's attention to the prevention and spread of coronavirus, the Ben-Gurion University of the Negev in Israel is developing a new type of self-disinfection and purification based on graphene water filtration technology. Air filter.
Dr. Chris Arnusch of Ben-Gurion University of the Negev is dedicated to purifying water by developing membranes with antibacterial and antiviral properties, and he has now successfully developed a laser-induced graphene (LIG) water filter.
LIG is a microporous graphene foam that can be generated on a variety of materials. The laser-induced graphene water filter can not only effectively filter pollutants in the water, but also actively kill bacteria and viruses with low-level current. Therefore, scientists designed a new type of air filter based on this principle.
This novel nanotechnology is based on laser-induced graphene water filters and can be used in heating, ventilation and air conditioning systems, or integrated into masks to achieve disinfection. Most masks will be contaminated during use, including N95 masks, which can become a source of pollution if they are not used or handled properly.
The researchers say that this new nanomaterial can be completely disinfected by electric current, so it is possible to combine LIG air filters with state-of-the-art air filters, such as HEPA filters. This filter can add an effective protective layer and extend the life of other expensive air filters.
In today's sensitive period of the new crown epidemic, LIG air filters can not only make hospitals, cars, public transportation, etc. safer spaces. If this material is incorporated into masks, it will also provide a higher level of protection for health care workers as well as the general public.
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