Assertion: hydrogen sulfide | /r/HasProperty | removed by reaction
Facets:
value: in this process
type: TEMPORAL
value: from coal gas
type: LOCATION
value: with moist iron oxide
type: OTHER
value: before 1940
type: TEMPORAL
Source sentences:
text: Before 1940, hydrogen sulfide was removed from coal gas by reaction with moist iron oxide at temperatures below about 100° C.
text: In this process, hydrogen sulfide is removed by reaction with granular zinc oxide in fixed-bed reactors.