The study shows that coffee grounds can remove the toxic smell of dirt.
Coffee lovers around the world have good news: the amount of coffee grounds they throw away helps remove the toxic smell of dirt. Coffee grounds can absorb hydrogen sulfide gases, which are often responsible for the foul smell, researchers at the city university of new york report in the american journal hazardous materials. It is now common practice to use activated carbon in treatment facilities to absorb hydrogen sulfide from contaminants. But if you replace activated carbon with coffee grounds, it adsorbs sulfur especially well, because of a key ingredient in coffee: caffeine. Researchers mixed coffee grounds, water and zinc, dried them and carbonized them. Caffeine contains nitrogen, which increases carbon's ability to eliminate sulfur, said Teresa J. Bandosz, a chemist and chemical engineer at the City University of New York and study author.
(Editor's note: Coffee sounds)
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Coffee honey-wine made from coffee
So now, please pick up a cup of hot coffee, take a deep breath to feel the unique mellow and fragrant, and then start to think about a question: can such fragrant coffee also turn into wine? The answer is: there was wine made from coffee more than 300 years ago, which is the very famous coffee honey. The earliest coffee was grown in Ethiopia.
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Starbucks' first Chinese coffee grower support center settled in Pu'er, Yunnan.
Following the news that Starbucks is going to be more Chinese, Starbucks has a new trend in China. Yesterday, Starbucks announced that Asia's first coffee grower support center was officially opened and put into operation in Pu'er, Yunnan Province. Starbucks grower support Center is set up to provide all kinds of resources and technical support to local coffee growers. It will help growers reduce production costs and diseases.
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