Skip to main content

Table 5 Characterization of lawn cuttings, our own analysis in comparison with literature values

From: Biogas and nutrients from blackwater, lawn cuttings and grease trap residues—experiments for Hamburg’s Jenfelder Au district

Parameter Unit Own analysis Literature
No. of samples AWW Green cuttings [13] Lawn cuttings [38] Grass silage [34]
Average ± SD Min–max values Min–max values Average values
DM % 19 30.59 ± 13.46 12 18–37 30.66
oDM % DM 19 82.53 ± 7.54 83–92 77–88 92.46
COD g/kg 4 275.8 ± 81.1 396.88
TOC g/kg 4 80.3 ± 17.4
NH4 +/NH3-N g/kg 6 1.98 ± 1.18 0.44
TN % DM 6 3.1 ± 0.6 2–3 1.7 1.6a
TC % DM 4 34.78 ± 6.73 34–45 43.04
pH   8 5.3 ± 1.15 4.3
  1. aTKN