Assertion: cryolite | /r/HasProperty | produced
Facets:
value: according to the present invention
type: OTHER
Source sentences:
text: According to the present invention, cryolite is produced, that is, is synthesized with excellent recovery of iluorine values by a process wherein sodium silicotluoride compound is continuously introduced into a reaction zone to which there is also continuously added a stream of dilute aqueous solution of sodium carbonate, and the two components are admixed and reacted to form sodium uoride and silica; and the sodium uoride remains in solution and is separated from the silica, which precipitates.