Table 2. Obtained Pulps from Treatments Performed without Mineral Acid and Their Characteristics.
treatment code | pulp recovery [%m/m] | %Lignin in pulp (%recovery) [%m/m] | delignification [m/m] | %cellulose in pulp (%recovery) [%m/m] | %hemicellulose in pulp (%recovery) [%m/m] |
---|---|---|---|---|---|
A0-1 | 61.41 | 21.72 (59.26) | 0.41 | 57.67 (95.22) | 7.17 (30.51) |
A0-2 | 57.39 | 20.90 (53.29) | 0.47 | 54.36 (83.90) | 8.33 (35.46) |
A0-3 | 62.49 | 18.12 (50.30) | 0.50 | 60.20 (101.15) | 7.15 (30.43) |
A0-4 | 60.94 | 14.52 (39.29) | 0.61 | 56.69 (92.89) | 11.29 (48.03) |
A0-5 | 60.54 | 13.15 (35.37) | 0.65 | 56.64 (92.21) | 11.12 (47.31) |
A0-6 | 62.92 | 15.17 (42.40) | 0.57 | 58.23 (98.52) | 13.82 (58.80) |
A0-7 | 74.35 | 13.56 (44.80) | 0.55 | 51.05 (102.07) | 15.88 (67.59) |
A0-8 | 72.20 | 13.28 (42.59) | 0.57 | 49.15 (95.43) | 15.71 (66.86) |
A0-9 | 71.70 | 13.19 (42.03) | 0.59 | 51.56 (99.41) | 15.42 (65.64) |
A0-1 | 82.69 | 15.60 (57.29) | 0.43 | 46.73 (103.91) | 20.97 (89.23) |
A0-11 | 88.76 | 15.32 (60.40) | 0.40 | 47.29 (110.02) | 22.52 (95.82) |
A0-12 | 84.19 | 15.62 (58.41) | 0.52 | 47.34 (107.16) | 20.26 (86.22) |
A20-1 | 40.56 | 21.30 (38.38) | 0.62 | 74.70 (81.46) | 0.00 (0.00) |
A20-2 | 37.34 | 21.81 (36.18) | 0.64 | 75.55 (75.86) | 0.00 (0.00) |
A20-3 | 37.47 | 22.46 (37.38) | 0.63 | 75.21 (75.77) | 0.00 (0.00) |
A20-4 | 37.48 | 11.64 (19.38) | 0.81 | 82.66 (83.31) | 0.00 (0.00) |
A20-5 | 32.94 | 10.32 (15.10) | 0.85 | 84.22 (74.61) | 0.00 (0.00) |
A20-6 | 31.98 | 8.92 (12.68) | 0.87 | 84.45 (72.62) | 0.00 (0.00) |
A20-7 | 31.82 | 5.26 (7.44) | 0.93 | 85.53 (73.17) | 0.00 (0.00) |
A20-8 | 28.14 | 4.61 (5.77) | 0.94 | 87.29 (66.04) | 0.00 (0.00) |
A20-9 | 24.25 | 5.46 (5.88) | 0.94 | 91.65 (59.76) | 0.00 (0.00) |
A20-10 | 27.56 | 5.61 (6.86) | 0.93 | 92.00 (68.17) | 0.00 (0.00) |
A20-11 | 24.66 | 5.05 (5.53) | 0.95 | 94.24 (62.49) | 0.00 (0.00) |
A20-12 | 21.18 | 5.56 (5.23) | 0.95 | 91.17 (51.92) | 0.00 (0.00) |
N.B: The treatment labels are described by their acid content (A0 or A20 for 0 or 20 mm H2SO4, respectively), and the treatment number.