Humans drink approximately 400 billion cups of coffee annually, leaving behind 18 million tonnes of wet coffee grounds, ...
Each year, the world discards more than 10 million tons of spent coffee grounds, and most go to landfills or incinerators, ...
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Wet coffee grounds turned into high-grade solid fuel in just 90 seconds
A research team at the Korea Institute of Geoscience and Mineral Resources (KIGAM) has developed a technology that converts wet spent coffee grounds directly into high-quality biochar in just 90 ...
New reactor system converts plastic waste into sustainable jet fuel ...
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