Search Results for: Silk waste mantillas
realized it worked, i went to local coffee shops and asked for their leftover grounds," nam said. under the guidance of assistant professor chunhui xiang, nam dried the coffee grounds for three days before boiling them with purified water to extract the dye. he then tested it on cotton, linen, rayon, silk
increases the cost of natural dyes and limits color variety, making it necessary to utilize existing materials, xiang said. given that million americans drink a cup of coffee daily, according to the statistic brain research institute, there is adequate supply, and repurposing the used grounds would divert waste...
https://phys.org/news/2019-09-brewed-coffee-grounds-sustainable-alternative.html