Researchers turned discarded banana peels into a carbon filter and passed greywater through it; the fruit-waste material removed 96% of turbidity, 85% of nitrogen and 99% of phosphorus in batch tests | – The Times of India
Posts Tagged Waste recycling
Researchers turned discarded banana peels into a carbon filter and passed greywater through it
Sep 10
In 2017, engineer Nzambi Matee heated unwanted Nairobi plastic into paving bricks; 20 tonnes later, Gjenge made 1,500 bricks daily, 5–7 times stronger than concrete | – The Times of India
Here’s Why You Shouldn’t Throw Away Your Old iPhone
Scientists in Switzerland made a sponge from cheesemaking waste that captures gold from discarded electronics — after dissolving metal parts from 20 old computer motherboards, they recovered enough to melt into a 22-carat gold nugget – ScienceBlog.com
Used coffee grounds were charred at 350 degrees Celsius until they became a charcoal-like biochar. That material replaced 15 percent of the sand by volume in a concrete mix, and the resulting concrete had 29.3 percent greater compressive strength than the control mix. – ScienceBlog.com
Good News Network 2608
Aug 27
Plastics contamination an ‘overlooked’ concern in food waste schemes, experts say | Food waste | The Guardian
Food scraps and mushrooms: the closed-loop garden behind the world’s first community-powered sauna | London | The Guardian
This High Schooler Invented a Plant-Based Plastic That Removes Microplastics From the Environment as It Biodegrades
Mexico cleaned over 100K tons of sargassum at the beginning of 2026, but is still facing a seaweed crisis due to the invasive species deeply impacting its tourism – The Times of India
Growers cut the banana plant down after one bunch and leave it in the mud, where banana fiber stronger than jute and sisal rots back into the soil
National food waste recycling promises major climate gains but comes with microplastic risks
Coffee grounds become biofuel using flame plasma pyrolysis
How Denmark Turns Agricultural Waste into Biogas at a Facility Larger Than 100 Football Fields
Jul 22
Food waste can become jet fuel through simpler refining and 50-50 blending
Clean hydrogen created from plastic waste using battery acid from old cars and solar power
https://www.bbc.co.uk/news/articles/cjwz6009dj5o