## 5 \({}^{13}\)C Solid-State NMR Applications to Anaerobic Digestion
\begin{table}
\begin{tabular}{c c c c c c c} \hline
**Ref. \(\bullet\)** & **Feedback\({}^{\bullet}\)** & **Sample\({}^{\bullet}\)** & **Alky1C** & **O-Alky1C** & **Aromatic C** & **Chebyshev1C** \\ \hline \multirow{3}{*}{[131]} & Cern/pig slurry (06.363.7) & PS & 12.4 & 75.6 & 6.9 & 5.1 \\  & Ciant came/pig slurry (02.867.2) & PS & 9.7 & 26.4 & 7.9 & 4.0 \\  & Ciant came/pig slurry (02.867.2) & PS & 11.7 & 74.6 & 9.6 & 4.1 \\ \hline \multirow{3}{*}{[127]} & Seghuman slinge/OMW/organic R/age-industrial R (71.13.1) & PS & 16.2 & 64.5 & 9.1 & 6.2 \\  & Cern/pig slurry (02.12.1) & PS & 21.2 & 57.3 & 12.7 & 8.8 \\  & Spohm slinge/bef cartle slurry/argo-industrial R (71.12) & PS & 18.4 & 65.6 & 8.2 & 7.8 \\  & Spohm slinge/bef cartle slurry/argo-industrial R (71.12) & PS & 28.3 & 64.4 & 70.0 & 7.0 \\  & Pig slurry & D & 29.5 & 88.5 & 6.9 & 25.1 \\  & DSP & 16.2 & 71.1 & 7.4 & 5.3 \\ \hline \multirow{3}{*}{[128]} & OPMSW/pig slurry (08.29) & PS & 25.9 & 99.1 & 5.1 & 9.8 \\  & Peg slurry/mills serum (our slurry/mills slinge/slice R) & D & 44.5 & 35.4 & 7.9 & 12.2 \\  & Peg slurry/mills slenum (our slurry/mills slinge/slice R) & FS & 18.6 & 66.9 & 7.0 & 7.5 \\  & Pog slurry/mills slenum (08.240.5) & D & 26.8 & 57.4 & 8.0 & 7.8 \\  & Pig slurry/mills slenum (08.240.5) & FS & 19.8 & 68.8 & 8.0 & 6.3 \\  & Spurry from municipal wastewater & D & 32.5 & 51.2 & 8.1 & 8.1 \\  & Lippe-collusive residues & D & 37.3 & 43.8 & 6.9 & 12.1 \\  & Lippe-collusive residues & C & 25.0 & 53.4 & 12.8 & 8.8 \\  & Lippe-collusive residues (OPMSW (33.67) & C & 20.1 & 56.5 & 14.4 & 9.0 \\ \hline \multirow{3}{*}{[125]} & Energetic crops/cow slurry/agro-industrial waste/OPMSW & PS & 21.77 & 65.5 & 48.1 & 7.92 \\  & & PD & 39.08 & 62.01 & 60.7 & 9.84 \\  & PosD & 43.76 & 36.75 & 8.7 & 11.3 \\ \hline \multirow{3}{*}{[1]} & C 4 & 22.4 & 54.8 & 14.5 & 8.3 \\  & C 18.4 & 19.0 & 88.7 & 14.1 & 8.3 \\  & C 31.4 & 22.2 & 56.6 & 13.3 & 7.8 \\  & C 40.4 & 19.8 & 57.9 & 14.3 & 8.1 \\  & C 57.4 & 21.0 & 54.9 & 15.4 & 8.7 \\  & C 58.4 & 19.4 & 55.8 & 14.0 & 8.4 \\  & C 510.4 & 18.5 & 56.9 & 15.8 & 8.9 \\  & C 114.4 & 17.9 & 56.5 & 16.4 & 9.3 \\  & C 128.4 & 19.6 & 57.1 & 14.8 & 8.5 \\  & C 146.4 & 18.5 & 57.4 & 16.3 & 7.8 \\ \hline \multirow{3}{*}{[124]} & CM (+atmax) & PS & 20.3 & 61.1 & 5.6 & 11.1 \\  & C & 24.7 & 52.6 & 7.2 & 14.4 \\  & C & 18.0 & 53.6 & 10.0 & 16.8 \\  & Mosed & 20.4 & 51.8 & 10.2 & 15.7 \\  & PM (+atmax) & PS & 21.9 & 62.0 & 4.8 & 8.6 \\  & D & 28.2 & 45.8 & 7.6 & 14.1 \\  & Mosed & 17.7 & 65.6 & 5.2 & 10.4 \\ \hline \end{tabular}
\end{table} 
Table 6: _Curt._ \begin{table}
\begin{tabular}{c c c c c c c} \hline Ref. * & Feedback * & Sample * & Allyl C & O-Allyl C & Aromatic C & Carboxyl/Carbony I C \\ \hline  & FS & 50 & 34 & 7 & 9 \\  & D & 51 & 26 & 13 & 10 \\  & FS & 30 & 56 & 11 & 3 \\  & FS & 39 & 36 & 20 & 5 \\  & FS & 23 & 59 & 13 & 5 \\  & FS & 32 & 43 & 20 & 5 \\  & FS & 32 & 42 & 20 & 5 \\  & FS & 25 & 62 & 10 & 4 \\
[130] & Municipal solid waste & FS & 25 & 62 & 10 & 4 \\  & FS & 28 & 41 & 24 & 7 \\  & FS & 23 & 62 & 10 & 4 \\  & FS & 32 & 37 & 25 & 7 \\  & FS & 30 & 55 & 12 & 3 \\  & AR & 16 & 53 & 53 & 5 \\  & AR & 26 & 45 & 22 & 7 \\  & FS & 23 & 62 & 10 & 5 \\ \hline \end{tabular}  
* References are reported in reverse chronological order
* CDM = chicken manner
* CM = conv name; DMBS: digested sewage sludge; COS = grease separator sludge; HM = honest manner; MFW = municipal food waste; OPMSW = organic fraction of municipal solid waste; OPMSW = olive mix oil wastewater; PM- poultry manure; R = residues; SM = noise number; SW = slaughterhouse waste; W = waste.
* All = product of alternate aerobic/anzenbick processes; C = convnet; d = days; D = digestrate, DSP = digestrate solid fraction; FS = feedstock; Mixed = product of mixed aerobic/anzenbick processes; Post-C = product of post-digestion.  
\end{table} 
Table 6: Cent. In some cases, digestate was subjected to post-treatments to improve its properties as soil amendment and fertilizer.