{HEAD ~ Trace quantities} of nutrients 22, such as nitrogen and phosphorous, are also added to {TAIL ~ the bioreactor} 17 to support the methanotrophic microorganisms 21 
are added to
{ HEAD ~ Trace quantities } of nutrients 22 , such as nitrogen and phosphorous , are also added to { TAIL ~ the bioreactor } 17 to support the methanotrophic microorganisms 21
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH