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Table 1 Operation conditions of the two-stage and single-stage fermentation process

From: Changes in the microbial consortium during dark hydrogen fermentation in a bioelectrochemical system increases methane production during a two-stage process

Reactor type

OLR

HRT

pHin, pHout

mg-C/L/day

day

Two-stage

 BES → MF

1103.8 → 793.3

4 → 4

6.5, 6.2 → 6.2, 7.9

 BES → MF

2207.6 → 1656.0

2 → 4

6.5, 6.2 → 6.2, 7.7

 BES → MF

2207.6 → 1616.3

2 → 4

7.3, 6.1 → 6.1, 7.7

 NBES → MF

1103.8 → 707.7

4 → 4

6.5, 6.5 → 6.5, 7.8

 NBES → MF

2207.6 → 1507.7

2 → 4

6.5, 5.9 → 5.9, 7.8

 NBES → MF

2207.6 → 1533.5

2 → 4

7.3, 5.7 → 5.7, 7.7

Single-stage

 MF

1103.8

4

7.7, 7.2

  1. Two-stage process: (bioelectrochemical system (BES) → methane fermenter (MF) containing carbon fibre textiles (CFTs) or non-bioelectrochemical system (NBES) → MF containing CFTs)
  2. Single-stage fermentation process: (MF containing CFTs)
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Biotechnology for Biofuels and Bioproducts

ISSN: 2731-3654

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