WSU researchers develop corn-based air filter
WSU researchers developed a new air filter based on corn protein fibers, seen here perched atop a flower.
CONTRIBUTED PHOTO/WSU
PULLMAN — A new type of air filter made of corn protein instead of petroleum plastic appears to be better able of filtering out small pollutant particles as well as toxic chemicals like formaldehyde than current air filters, according to a press release from Washington State University.
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