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. 2017 Mar 14;10:64. doi: 10.1186/s13068-017-0739-7

Table 2.

Key process assumptions regarding the RJF conversion technologies [8, 29, 30, 55, 56]

Process Unit HEFA [29] FT [55] Pyrolysis [56] HTL [56] ATJ [30] DSHC [8]
Sub-process Ex situ In situ Ex situ In situ Increased blend level 10% blend level
Inputs
 Feed MJ feed/MJ RJF 1.17 12.93 26.39 26.39 16.89 16.89 1.49a 6.28 3.25
 Natural gas consumptionb MJ/MJ RJF 0.18
 Electricity consumption MJ/MJ RJF 0.005 1.53 0.21 0.86 0.03
 Hydrogen consumption MJ/MJ RJF 0.15 5.44 1.31 0.08 0.52 0.12
 Hydrogen feedstock Natural gas Natural gas Process off-gases Natural gas Process off-gases and waste water Natural gas Natural gas Natural gas
Outputs
 Co-product allocation ratio
  RJF Normalized 1 1 1 1 1 1 1 1 1
  Diesel MJ/MJ RJF 3.00 2.95 2.95 2.95 2.95 0.12 0.15
  Gasoline MJ/MJ RJF 1.69 7.88 7.88 4.57 4.57
  Heavy fuel oil MJ/MJ RJF 2.17 2.17 1.65 1.65
  Naphtha MJ/MJ RJF 0.14 0.21 0.54
  Propane MJ/MJ RJF 0.10 0.49
  Methane MJ/MJ RJF 0.24
  Electricity MJ/MJ RJF 0.45 0.51 0.13 0.07

aFeedstock is ethanol

bExcluding natural gas used for hydrogen generation