blog posts U of I researchers working to convert biowaste into pavement Jan 17, 2023 12:00 pm by Marianne SteinInnovation Share on Facebook Tweet Email Images '(Our process) mimics petroleum formation in nature, where biowaste buried deep underground gradually turns into crude oil over millions of years. In the HTL reactor, the process takes less than an hour,' says principal investigator Yuanhui Zhang. Share on Facebook Tweet Email