The Essential Chemical Industry Online

[Dave Z]

Just ran across this excellent site as a companion to The Knowledge's chapters on Substances and Advanced Chemistry, providing overview text and clear process diagrams:

http://www.essentialchemicalindustry.org

This example link is to an article on Sodium Carbonate:

http://www.essentialchemicalindustry.org/chemicals/sodium-carbonate.html

Here's their schematic of the Solvay Process for producing Sodium Carbonate from limestone and brine:


(Original image NOT clipped at right-hand margin... Shows Sodium Carbonate(s) and Calcium Chloride(aq) as products)

Dave Z