High Quality Content by WIKIPEDIA articles! The Solvay process, also referred to as the ammonia-soda process, is the major industrial process for the production of soda ash (sodium carbonate). The ammonia-soda process was developed into its modern form by Ernest Solvay during the 1860s. The ingredients for this process are readily available and inexpensive: salt brine (from inland sources or from the sea) and limestone (from mines). The worldwide production of soda ash in 2005 has been estimated at 42 billion kilograms (92 billion pounds), which is more than six kilograms per year for each person on earth. Solvay-based chemical plants now produce roughly three-fourths of this supply, with the remainder being mined from natural deposits.

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