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Table 3 Microbial Mn reduction with or without AQDS

From: Aerobic and anaerobic reduction of birnessite by a novel Dietzia strain

  AQDS Mn2+ release rate in 2–14 days (μM/day) Mn2+ release rate in 14–28 days (μM/day) AOS(total Mn) AOS(insoluble Mn) Reduction extent (%)
Anaerobic 48.0 26.5 2.90 3.35 53
+ 95.1 43.7 2.17 2.57 91
Aerobic / / 3.44 3.44 25
+ / / 3.80 3.80 6
  1. Samples were biotreated with cell concentration of 2.5 × 109 cell/mL for 28 days under anaerobic conditions and 24 days under aerobic conditions; (+) means with AQDS; (−) means without AQDS; (/) means not detected.