#Coffee offers performance boost for #concrete - #RMITUniversity
"Lead author Dr Rajeev Roychand from RMIT University said the team developed a technique to make concrete 30% stronger by turning #waste coffee grounds into #biochar, using a low-energy process without oxygen at 350 degrees Celsius."
https://www.rmit.edu.au/news/all-news/2023/aug/coffee-concrete