High School Students Invent Air Freshener Made Out of Cow Manure

air freshener

What's that smell? It's the smell of refreshing air from the rear end of a cow. Two high school students in Indonesia developed air freshener from a plentiful source of foul odors--cow manure:

Dwi Nailul Izzah and Rintya Aprianti Miki won first prize in the country's Science Project Olympiad with their alternative and environmentally-friendly air freshener.

The air freshener is said to have a natural fragrance of herbs and is good for human health because it doesn't contain any harmful chemicals like other freshener products on the market.

The girls collected cow dung from a cattle farm in Lamongan regency of East Java and left it to ferment for three days.

Secondly, they extracted water from the cow dung and mixed it with coconut water.

Then the liquid was distilled to remove any impurities; the end product is a liquid air freshener with a natural aroma of herbs from digested cow food.

Link -via Dave Barry | Photo: Orange News 


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