Food uses include table and kitchen salt, as well as the salt that is used for the conservation of meat and vegetables. Assuming a world population of 7 billion and an average daily consumption of nine and a half grams per day, total consumption of food salt is around 25 Read more…
As we have seen in the past slides, salt is available from many different sources, and it is available from one or more of these sources in almost every country in the world. It is, therefore, somehow surprising that the trade of salt even over large distances played such an Read more…
Thinking about the future use of salt for de-icing, global warming is probably a term that comes immediately to your mind. Over the past decades, volumes of de-icing salt that was spread on roads and public spaces grew at an annual average rate of 2.5%. From 2005 to 2011, global Read more…
It is sometimes said that in ancient times salt was so precious that it was counterbalanced in gold. The first reports on a value of salt date from the Roman period. Prices from salinas near Ostia/Rome for a small bag of salt given as a gratification for an officer suggest Read more…