Table 8. Major Yields of the Alternative Production Paths^a.

	dilute acid-catalysis hydrogenation	AFEX-catalysis hydrogenation	dilute acid-fermentation	AFEX-fermentation
Xxylose	1	1	0.92*	0.92*
Xglucose or Xfructose	>0.999 (G)*	>0.999 (G)*	92.9 (F)	0.941 (F)
kgH2/kgbiomass	0.007	0.005	0.001	0.001
kgH2SO4/kgbiomass	0.024		0.017
kgNH3/kgbiomass		1.052		1.052
kgxylitol/kgbiomass	0.259	0.187	0.166	0.120
kgsorbitol/kgbiomass	0.282	0.231	0.142	0.102
kgsteam/kgbiomass	0.505	0.587	2.013	1.374
E (kgCO2/kgbiomass)	0.145	0.136	0.296	0.206

^aAbbreviations: F, from fructose; G, from glucose; *indicates from the literature.