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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Noun

Solvay process - an industrial process for producing sodium carbonate from sodium chloride and ammonia and carbon dioxideindustrial process - a systematic series of mechanical or chemical operations that produce or manufacture something

Solvay process

[for Ernest SolvaySolvay, Ernest
, 1838–1922, Belgian industrial chemist and philanthropist. He originated the Solvay process and established (1863) near Charleroi, Belgium, the first plant for making soda by this process; later, plants were set up in many countries.
..... Click the link for more information. ], commercial process for the manufacture of sodium carbonate (washing soda). Ammonia and carbon dioxide are passed into a saturated sodium chloride solution to form soluble ammonium hydrogen carbonate, which reacts with the sodium chloride to form soluble ammonium chloride and a precipitate of sodium hydrogen carbonate (sodium bicarbonate) if the temperature is maintained below 15&degC;. The sodium hydrogen carbonate is filtered off and heated to produce sodium carbonate.

Solvay process

[′säl‚vā ‚prä·səs] (chemical engineering) The process to make sodium carbonate and calcium chloride by treating sodium chloride with ammonia and carbon dioxide.

Solvay process

Solvay process

Solvay process

Solvay process

Solvay process

Solvay process

Solvay process

Words related to Solvay process

noun an industrial process for producing sodium carbonate from sodium chloride and ammonia and carbon dioxide

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