Concrete is the second most-used substance on Earth after water, and the cement that holds it together is one of the biggest headaches in climate policy. Making cement means heating limestone until it breaks down, a process that accounts for around 8 percent of global CO2 emissions. And we are not slowing down. Concrete production [...] The post Researchers took biochar made from human waste at a treatment plant in Warangal, India, ground it into a fine black powder and mixed it into concrete in place of a tenth of the cement. After 91 days the concrete was 21 percent harder to crush. appeared first on Space Daily .
Researchers took biochar made from human waste at a treatment plant in Warangal, India, ground it into a fine black powder and mixed it into concrete in place of a tenth of the cement. After 91 days the concrete was 21 percent harder to crush.
