Table 3: Open in new tab The O/C and H/C...

Torrefaction range of temperatures	Ratio
100°C ≤ T < 200°C	1.04^a	0.14^a	0.95^d	0.12^d	1.11^g	0.17^g
200°C ≤ T ≤ 250°C	0.91^b	0.10^b	0.87^e	0.09^e	0.98^h	0.12^h
250°C < T ≤ 330°C	0.65^c	0.09^c	0.48^f	0.08^f	0.90ⁱ	0.12ⁱ

Torrefaction range of temperatures	Ratio
100°C ≤ T < 200°C	1.04^a	0.14^a	0.95^d	0.12^d	1.11^g	0.17^g
200°C ≤ T ≤ 250°C	0.91^b	0.10^b	0.87^e	0.09^e	0.98^h	0.12^h
250°C < T ≤ 330°C	0.65^c	0.09^c	0.48^f	0.08^f	0.90ⁱ	0.12ⁱ

Table 3:

The O/C and H/C ratios of torrefied EFBs at different torrefaction temperatures

Torrefaction range of temperatures	Ratio
	Average		Lowest value		Highest value
	O/C	H/C	O/C	H/C	O/C	H/C
100°C ≤ T < 200°C	1.04^a	0.14^a	0.95^d	0.12^d	1.11^g	0.17^g
200°C ≤ T ≤ 250°C	0.91^b	0.10^b	0.87^e	0.09^e	0.98^h	0.12^h
250°C < T ≤ 330°C	0.65^c	0.09^c	0.48^f	0.08^f	0.90ⁱ	0.12ⁱ

Torrefaction range of temperatures	Ratio
	Average		Lowest value		Highest value
	O/C	H/C	O/C	H/C	O/C	H/C
100°C ≤ T < 200°C	1.04^a	0.14^a	0.95^d	0.12^d	1.11^g	0.17^g
200°C ≤ T ≤ 250°C	0.91^b	0.10^b	0.87^e	0.09^e	0.98^h	0.12^h
250°C < T ≤ 330°C	0.65^c	0.09^c	0.48^f	0.08^f	0.90ⁱ	0.12ⁱ

^aAverage ratio of O/C and H/C from dried EFBs at 105°C for 24 hours [26, 53, 55, 56].

^bAverage ratio of O/C and H/C from dried EFBs at 200°C, 220°C, 240°C and 250°C, with residence times of 15 and 120 minutes [26, 53, 56].

^cAverage ratio of O/C and H/C from dried EFBs at 260°C, 275°C, 280°C, 300°C and 330°C, with residence times of 30, 60, 90 and 120 minutes [26, 55, 56].

^dThe lowest O/C and H/C ratio of torrefied EFBs with a temperature range of 100–200°C [55].

^eThe lowest O/C and H/C ratio of torrefied EFBs with a temperature range of 200–250°C [53].

^fThe lowest O/C and H/C ratio of torrefied EFBs with a temperature range of 250–330°C [26, 56].

^gThe highest O/C and H/C ratio of torrefied EFBs with a temperature range of 100–200°C [26, 53, 55].

^hThe highest O/C and H/C ratio of torrefied EFBs with a temperature range of 200–250°C [26, 53, 56].

ⁱThe highest O/C and H/C ratio of torrefied EFBs with a temperature range of 250–330°C [26, 55, 56].

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