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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.