Assertion: pyrite's iron | /r/Causes | pollutant
Facets:
value: to go through transformation pathways
type: PURPOSE
value: to go through more diverse degradation
type: PURPOSE
Source sentences:
text: In iron containing biofilters, the majority of nitrogen, phosphorus and organic pollutants were removed in the iron scrap layers, and more pollutants types appeared, implying that iron triggered pollutants to go through more diverse degradation or transformation pathways.