Skip to main content

Advertisement

Table 1 Reactor performances in thermophilic BER + CFT and previous reactors treating garbage waste under the maximum OLR conditions

From: Efficient production of methane from artificial garbage waste by a cylindrical bioelectrochemical reactor containing carbon fiber textiles

  Treating waste OLR (g-CODcr · L −1 · day −1) HRT (days) CODcr removal ratio (%) VTS removal ratio (%) SS removal ratio (%) VSS removal ratio (%) Gas production rate a(L · L −1 · day −1) Methane content (%) CODcr recovery b(%) References
Cylindrical BER + CFT 10% AGS 89.3 1.5 62.5 - 52.5 50.9 16.5 ± 3.4 56.8 83.9 In this study
53.6 2.5 67.0 ± 3.5 - 56.6 ± 5.3 51.7 ± 4.9 12.1 ± 1.5 58.2 ± 1.7 117.1 ± 13.9
Packed-bed reactor 1.5% AGS + 1.0% milled paper 53.6 0.9 67.0 - - 67.0 11.4 60.0 56.2 Ueno et al. (2007)
Small-scale BER + CFT (−0.8 V) 10% AGS + 0.08% ground rice straw 27.8 4.4 58.0 ± 4.9 - 38.9 ± 1.9 - 7.9 ± 0.7 55.0 ± 3.2 86.5 ± 2.6 Sasaki et al. (2011b)
CFSTR 10% artificial kitchen waste 20.4 11.0 89.0   - - - - 82.0 Park et al. (2008)
UAF reactor Synthetic garbage + swine manure 17.6 9.2 - 78.0 - - 8.7 50.0 - Liu et al. (2009)
CFSTR 2% AGS 6.25 4.0 65.8 ± 2.8 - 61.8 ± 5.6 - 1.8 ± 0.1 80.0 - Sasaki et al. (2011c)
  1. aMean values under standard temperature and pressure at these OLRs are shown.
  2. bCODcr recovery = [(CODcr of the fermentation broth) + (CODcr of CH4)] / Influent CODcr.
  3. VTS: volatile total solid, SS: suspended solid, VSS: volatile suspended solid, UAF reactor: upflow anaerobic filter reactor, CFSTR: continuously flow-stirred tank reactor, AGS: artificial garbage slurry (dog food slurry).