Fig. 3From: High temperature utilization of PAM and HPAM by microbial communities enriched from oilfield produced water and activated sludgeNH2 concentrations in a PW and b sludge microbial cultures amended with HPAM or PAM as a N source after 34 days of incubation. Black bars: sterile controls and white bars: actual cultures. Percentage of NH2 removal is also indicated for each enrichmentBack to article page