6. Glossary

Chitin; Chitin

A nitrogenous organic substance (polysaccharide) that is the main component of the integument of insects, crustaceans, and certain fungi and lichens.

Electrometallurgy

Use of the thermal and electrolytic properties of electricity for the production and refining of metallurgical products.

Leaching

Treatment of a substance or mixture with a liquid to extract its soluble components.

Precious metals

Precious metals are gold, silver, and metals from the platinum group (platinum, palladium, iridium, rhodium, osmium, and ruthenium).

Mineralogy; Mineralogy

Separation of the various minerals contained in ore extracted from quarries or mines in order to concentrate...