Vietnam or Thailand ? Vote for the TOP Country of the Week !
Updated: May 11, 2025
They consist broadly of a large revolving furnace-hearth or bed, on to which the mixture of salt and vitriol is charged, and on which it is continuously agitated, and gradually moved to the place of discharge, by rakes or the like, operated by suitable machinery. The next stage of the Leblanc process is the manufacture of "black ash," or crude sodium carbonate.
Word Of The Day
Others Looking