Solvay process


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Solvay process

n.
A process used to produce large quantities of soda ash from sodium chloride, ammonia, and carbon dioxide.

[After Ernest Solvay.]

Solvay process

(ˈsɒlveɪ)
n
(Chemical Engineering) an industrial process for manufacturing sodium carbonate. Carbon dioxide is passed into a solution of sodium chloride saturated with ammonia. Sodium bicarbonate is precipitated and heated to form the carbonate
[C19: named after Ernest Solvay (1838–1922), Belgian chemist who invented a process using salt, limestone, and ammonia]
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Noun1.Solvay process - an industrial process for producing sodium carbonate from sodium chloride and ammonia and carbon dioxide
industrial process - a systematic series of mechanical or chemical operations that produce or manufacture something
References in periodicals archive ?
Simultaneously, the present obsolete technology shall also be replaced with the Standard Solvay Process which is in vogue the world over.
The Searles Valley acquisition will place Nirma among the top seven world producers of soda ash at a combined annual capacity in excess of 2 million tons and will earn Nirma the unique position as the only company in the world to use three different techniques for producing soda ash, namely, the Solvay process in Porbandar, India, the dry lime process in Bhavnagar, India and solution mining in California.
Sodium carbonate is a chemical produced through solvay process or ammonium soda process with limestone as the raw material in addition to salt brine (NaCl), natural gas and ammonia.