Table 6.
Comparison of diffusion BHM throughout literature.
|
Reactor Configuration |
H2 |
CO2 |
CH4 out |
Pressure |
Temp. |
Reactor Vol. |
MER |
Retention Time |
kLa |
Rate of mixing |
Gas recirculation |
Enriched Culture |
Unit normalized to |
|||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| type | (in/ex-situ) | pH | (L/Lvr/min) | (L/Lvr/min) | H2/CO2 Ratio | (%) | (Barg) | (°C) | (L) | (L CH4/Lvr/day) | h | /h | Method of kLa Increase | (L/min) | (rpm) | (L/min) | (y/n) | Archaeal strain | (STP/NTP/NA) | Author |
| CSTR | In-situ | 7.93 | 0.0037 | 0.0009 | 4 : 1 | 6 | 0.2 | 55 | 9.5 | 0.3 | 24 | Fish stone | 4 | - | 4 | No | - | STP | [11] | |
| CSTR | Ex-situ | 8.2 | 0.0038 | 0.0011 | 3.4 : 1 | 85 | 0.2 | 55 | 9.5 | 0.9 | 1.63 | Ceramic Diffuser | 4 | - | 4 | No | - | STP | [11] | |
| CSTR | Ex-situ | 8.5 | 0.0051 | 0.0013 | 4 : 1 | 92 | 0.2 | 55 | 9.5 | 1.7 | 24 | Ceramic Diffuser | 4 | - | 4 | No | - | STP | [11] | |
| CSTR | Ex-situ | 8.1 | 0.0095 | 0.0024 | 3.9 : 1 | 61 | 0.2 | 55 | 9.5 | 1.7 | 1.14 | Ceramic Diffuser | 4 | - | 4 | No | - | STP | [11] | |
| CSTR | In-situ | 7.97 | 0.0035 | 0.0009 | 4 : 1 | 32 | 0.2 | 55 | 9.5 | 1.8 | 24 | Fish stone | 4 | - | 4 | No | - | STP | [11] | |
| CSTR | In-situ | 8.37 | 0.0037 | 0.0009 | 4 : 1 | 60 | 0.2 | 55 | 9.5 | 2.5 | 24 | Fish stone | 4 | - | 4 | No | - | STP | [11] | |
| CSTR | Ex-situ | 8.1 | 0.0102 | 0.0026 | 4 : 1 | 49 | 0.2 | 55 | 9.5 | 2.9 | 1.99 | Ceramic Diffuser | 4 | - | 4 | No | - | STP | [11] | |
| CSTR | In-situ | 8.5 | 0.0107 | 0.0027 | 4 : 1 | 96 | 0.2 | 55 | 9.5 | 3.7 | 24 | Ceramic Diffuser | 4 | - | 4 | No | - | STP | [11] | |
| CSTR | Ex-situ | 8.2 | 0.0351 | 0.0088 | 4 : 1 | 23 | 0.2 | 55 | 9.5 | 5.1 | 0.41 | Ceramic Diffuser | 4 | - | 4 | No | - | STP | [11] | |
| CSTR | Ex-situ | 7.1 | 0.0327 | 0.0082 | 4 : 1 | 32 | 0.2 | 55 | 9.5 | 8.2 | 0.57 | Ceramic Diffuser | 4 | - | 4 | No | - | STP | [11] | |
| CSTR | Ex-situ | 7.4 | 0.0509 | 0.0127 | 4 : 1 | 15 | 0.2 | 55 | 9.5 | 9.1 | 0.33 | Ceramic Diffuser | 4 | - | 4 | No | - | STP | [11] | |
| CSTR | In-situ | 7.74 | 0.0022 | 0.0006 | 4 : 1 | 53 | 0 | 55 | 1 | 1.4 | 14.42 | 6.62 | Column Diffuser | - | 150 | 0 | No | - | STP | [73] |
| CSTR | In-situ | 7.84 | 0.0012 | 0.0003 | 4 : 1 | 68 | 0 | 55 | 1 | 1.2 | 92.37 | 11.78 | Column Diffuser | - | 300 | 0 | No | - | STP | [73] |
| CSTR | In-situ | 7.89 | 0.0021 | 0.0006 | 4 : 1 | 75 | 0 | 55 | 1 | 1.2 | 12.11 | 16.05 | Ceramic Diffuser | - | 150 | 0 | No | - | STP | [73] |
- Retention time values presented in papers are noted (Bold, underlined and italic), but where missing, retention time according to Voelklein et al. [11] calculated to allow comparison.