Ays. of 42 days. Experimental data fitted with predictive regression models, the
Ays. of 42 days. Experimental data fitted with predictive regression models, the modified Gompertz (blue) and first-order Experimental data fitted with predictive regression models, the modified Gompertz (blue) and first-order kinetic (red). kinetic (red).-1 The maximum cumulative SMY (0.145 0.00 m3 CH sustainable operation, withdigestion for this study was achieved inside the limits of 4akg VS) of your GM mono-digestion for this study was mixing, pH control, and exogenous chemical enhancers. In con- reout specifications for achieved inside the limits of a sustainable operation, without quirements foret al. [29] pH handle, and exogenous chemical enhancers. In contrast, Fabbri trast, Fabbri mixing, employed stirred systems supplemented with synthetic nutrients, trace elements, and Na2 CO for pH supplemented with synthetic nutrients, and et al. [29] employed stirred 3systemsadjustment and made 0.157 m3 CH4 kg-1trace ele0.273 m3 Na2 kg-1 for the Nero Buono and marc and 0.157 m3 CH4 kg-1 and 0.273 m3 ments, and CH4CO3 for pH adjustmentgrape producedGreco grape marc varieties, respec- CH4 tively. However, study translation Greco grape marc power production will be kg-1 for the Nero Buono grape marc and into a winery-scale varieties, respectively. Even so, impeded by the addition research translation into a of such exogenous enhancers due towould be impeded by the adwinery-scale energy production restrictive operating costs and environmental considerations [51,52]. dition of such exogenous enhancers due to restrictive operating costs and environmental considerations [51,52].The maximum cumulative SMY (0.145 0.00 m3 CH4 kg-1 VS) of your GM mono-Molecules 2021, 26, x FOR PEER REVIEW4 ofMolecules 2021, 26,4 of2.1.2. Volumetric Methane Productivity Rate (VMPR) The typical precise methane production equalled 38.45 L CH4, corresponding to a 2.1.2. Volumetric VMPR Productivity CH4 LWork-1 calculated average Methane of 0.8802 L Price (VMPR) d-1. It took 33.6 days (x-intercept) to achieve The averageoverall methane production equalled 38.45 L CH4 , corresponding to a 80 on the certain methane yield (Figure 2). The volumetric methane productivity calculated typical VMPR of 0.8802 L CH4 LWork -1 d-1 It took 33.6 days (x-intercept) to rate enables satisfactory comparability across studies. according to methane extraction, norachieve the in the overall methane yield (Figure 2). The One example is, inside the co-digestion malised to 80 general substrate volume for therapy. volumetric methane productivity of price enables rape straw andsatisfactory comparability [48] reached reduce VMPR values inside the range 0.1dairy manure, Ma et al. across research based on methane extraction, normalised towards the overall substrate volume for treatment. For example, within the co-digestion 0.5 L CH4 LWork-1 d-1, attaining a maximum methane yield of 209.1 mL CH4 g-1 VS and an of rape straw and dairy manure, Ma et al. [48] reached reduce VMPR values within the variety SIR0.1.five more than 60 days.1 It -1 , achieving concluded that, at a yield of VMPR and shorter HRT, of 2:three L CH L – d can hence be a maximum methane larger 209.1 mL CH g-1 VS 4 Operate four there isan SIR of two:3 oversubstrate overloading, that is knownhigher VMPRdeclined perforthe absence of 60 days. It might thus be concluded that, at a to lead to and shorter and mance and reactor failure [53]. HRT, there’s the absence of substrate overloading, that is recognized to result in 2-Cyanopyrimidine manufacturer declinedperformance and reactor failure [53].Figure 2. Typical tren.
