امواج صوتی و قطرات آب ضایعات کاغذ را به ترکیب شیمیایی با ارزش تر تبدیل می کند

Sound waves and water droplets transform paper waste into higher-value chemical compound

Researchers at the University of Illinois Urbana-Champaign have developed a fast, simple way to turn lignin, a plentiful plant-based byproduct of the papermaking industry, into potentially more valuable renewable chemicals.