Table 7. Pressure and Temperature for the Evaporators.

		dilute acid-catalysis hydrogenation		AFEX-catalysis hydrogenation		dilute acid-fermentation		AFEX-fermentation
		P (mmHg)	T (°C)	P (mmHg)	T (°C)	P (mmHg)	T (°C)	P (mmHg)	T (°C)
xylitol	evap1	119.31	55.24	112.92	54.10	152.99	60.53	161.04	60.53
	evap2	108.88	53.35	107.27	53.04	145.34	59.42	145.34	59.42
	evap3	52.67	39.15	48.92	37.78
	kgsteam/kgxylitol	0.23		0.20		7.17		7.15
sorbitol	evap4	148.7	59.91	145.11	59.39	152.79	60.50	151.81	60.36
	evap5	141.26	58.81	137.86	58.29	145.15	59.39	144.22	59.26
	evap6	133.06	57.54	126.07	56.40	123.26	55.92	121.56	55.63
	kgsteam/kgsorbitol	1.09		0.76		2.76		2.26