Assertion: calcium oxide's amount | /r/CapableOf | react at 350° c.
Facets:
value: subsequently
type: TEMPORAL
value: for 1 hour
type: TEMPORAL
value: in a rotating tube
type: LOCATION
value: in the presence of porcelain balls
type: OTHER
Source sentences:
text: 500 g urea and the amount corresponding to the respective molar ratio (233 or 186 g) of precipitated lime (particle size <200 μm) are melted down in a tubular reactor at 150° C. (residence time 12 minutes) and subsequently reacted for 1 hour at 350° C. in a rotating tube in the presence of porcelain balls (diameter 20 mm).