Assertion: boric acid | /r/HasProperty | recovered
Facets:
value: from hydrated borate ores
type: OTHER
value: by pretreating the same
type: MANNER
Source sentences:
text: It has now been discovered that boric acid can be recovered from hydrated borate ores by pretreating the same so as to provide a dry and free flowing material which can be easily and effectively pyrolysed to obtain high yields of boron values.