Gasification of coal is currently the most economical way to produce hydrogen. With the increasing demand for hydrogen as a vehicular fuel, ways to transport and store hydrogen in a safe manner has also become important along with producing it in an inexpensive way.

A new process of producing hydrogen by using anthracite coal has given birth to nano-crystalline diamonds as end-products! The team of scientists who ventured into finding cheaper production and storage methods of hydrogen, substituted anthracite coal for graphite as it is abundant and inexpensive.
In the process, they stumbled upon a method that not only combines production and storage, but also produces nano-crystalline diamonds as its by-product. The results of this study are reported in a recent online issue of the Journal of the American Chemical Society.
Via: Science Daily
Diamond as by-product of hydrogen production-n-storage method
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