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Table 4 Elemental composition (wt%), TAN, and other properties of upgraded bio-oils arising from the upgrading of crude bio-oils produced from the HTL of different algal biomass feedstocks and elemental composition (wt%) of solid residue produced after upgrading of the crude bio-oils produced from the HTL of different algal biomass feedstocks

From: Liquid fuel generation from algal biomass via a two-step process: effect of feedstocks

  TAN C H N (mg/L) S (mg/L) Oa H/C HHV (MJ/kg) ER
A
 NO 1.02 88.22 8.76 3536 91 0.24 1.19 42.29 0.86
 AuP 1.33 85.46 8.53 4260 119 0.18 1.20 41.05 0.81
 ArP 0.68 86.77 8.30 4906 200 0.43 1.15 41.12 0.82
 SL 0.96 87.39 7.74 4097 76 0.32 1.06 40.54 0.83
 UP 3.52 87.21 8.55 4526 188 0.47 1.18 41.62 0.84
 SJ 1.57 87.26 8.25 3893 97 0.40 1.13 41.21 0.82
 LM 3.62 85.91 8.24 4457 115 0.32 1.15 40.76 0.83
 PY 1.83 87.18 8.48 4281 216 0.48 1.17 41.51 0.85
  NO AuP ArP SL UP SJ LM PY
B
 C 66.32 71.56 63.99 77.92 66.43 74.38 54.26 61.85
 N 3.58 4.50 5.11 2.50 4.21 3.22 5.55 3.93
 H 2.40 3.04 3.20 2.89 3.07 2.93 3.24 2.70
 S 0.35 0.40 0.55 0.36 0.47 0.38 0.43 1.52
  1. aCalculated by difference