Calcination is thermal treatment of a solid chemical compound (e.g. mixed carbonate ores) whereby the compound is raised to high temperature without melting under restricted supply of ambient oxygen (i.e. gaseous O2 fraction of air), generally for the purpose of removing impurities or volat

In Greek mythology Phrixus (also spelt Phryxus; Greek: Φρίξος, Phrixos means “standing on end, bristling”) was the son of Athamas, king of Boeotia, and Nephele (a goddess of clouds). He was the twin brother of Helle and the father of Argus, Phrontis, Melas and Cy

Naphthenic acids (NAs) are a mixture of several cyclopentyl and cyclohexyl carboxylic acids with molecular weight of 120 to well over 700 atomic mass units. The main fraction are carboxylic acids with a carbon backbone of 9 to 20 carbons. McKee et al. claim that “naphthenic acids (NAs) a

Turning manure into gold: The excrement economy – USA Today

Solid Gold: Poop Could Yield Precious Metals – Live Science

Americans poop up to $4.2B in precious metals every year – New York Post

Sewage sludge could contain millions of dollars worth of gold – Science

Stinking Rich? Human Waste Contains Gold, Research Finds – Time

Your poop could be a literal goldmine of precious metals – Washington Post