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Table 6 Ultimate analysis and physical properties of the char from SCG through TCR® and other technologies

From: Thermo-Catalytic Reforming of spent coffee grounds

SystemUltimate analysis (wt%)H/C ratioHHV (MJ/kg)Ash (wt%)References
CHNO (diff.)S
TCR® at 500 °C78.62.43.86.30.120.0330.88.6 
TCR® at 600 °C80.01.23.02.10.200.01529.512.8 
TCR® at 700 °C70.61.41.82.60.380.01925.523.2 
Slow pyrolysis80.03.05.012.00.03731.923.0Tsai et al. (2012)
Fast pyrolysis at 500 °C75.33.54.411.10.120.04629.1a5.5Kelkar et al. (2015)
  1. aCalculated value