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. 2018 Apr 6;11(4):694–709. doi: 10.1111/1751-7915.13264

Table 1.

Operational parameters of the reactors including feed substrate type, temperature, organic loading rate (OLR), free ammonia and hydraulic retention time (HRT)

Reactor Temp. (°C) Substrate (% volume fraction of total substrate) pH Free Ammonia (mg NH3‐N l−1) OLR (kg VS m−3 day−1) HRT (days)
CD1 38 Wheat stillage (47%), grain (37%) and water (14%) 7.5 204 3.3 55
CD10 38 OFMSW (77%), fat (12%) and silage (11%) 7.7 162 2.2 28
CD11ap 38 SHW in majority 8.0 558 3.7 55
CD11 bp 38 SHW in majority 8.0 541 3.7 55
CD2T 53 OFMSW (62%), dry fodder (13%) and SHW (9%) 7.9 424 2.4 25
CD3T 52 SHW (45%), manure (cow) (29%) and whey (14%)a 7.9 751 3.9 20
CD4ap 37 SHW (45%), manure (pig and cow) (32%) and OFMSW (20%)a 7.7 178 3.4 25
CD6ap 38 Manure (pig and cow) (67%) and SHW/OFMSW (32%)b 7.9 289 3.6 26
CD6 bp 38 Manure (pig and cow) (67%) and SHW/OFMSW (32%)b 7.9 261 3.6 26
CD7a 37 OFMSW (57%), FIW (21%) and SHW (12%)2)c 7.6 123 2.5 35
CD7b 37 OFMSW (57%), FIW (21%) and SHW (12%)2)c 7.3 49 3.6 24
CD8Tap 53 OFMSW (95%) and fat (5%) 7.7 176 3.2 20
CD9T 55 OFMSW (85%) and SHW (15%) 8.2 803 1.8
SS1as 37 FIW (58%) and PS/WAS (42%) 7.1 13 3 39
SS1bs 37 Sludge from SS1as 7.3 20 1.1 39
SS2T 52 PS/WAS 7.5 112 2.5 12
SS3a 37 PS 7.1 16 2.7 14
SS3b 37 PS (54%) and WAS (46%) 7.2 26 2.4 10
SS4ap 37 WAS (55%), PS (42%), sludge from external source (3%) 7.6 39 2.4 18
SS5 38 PS 7.3 26 50

FIW, food industry waste; OFMSW, organic fraction municipal solid waste; PS, primary sewage sludge; SHW, slaughterhouse waste; WAS, waste‐activated sludge.

a. 2–6% fat is included in the remaining substrate.

b. 1–1.5% iron‐rich sludge is included in the remaining substrate.

c. 8% pig manure is included in the remaining substrate.