Alkali dose (%)

Addition of ethanol (%)

Brightness

(%) ISO

Tensile index (Nm/g)

Double fold (Numbers)

Burst index

(kPam²/g)

Tear index

(mNm²/g)

Ethanol-soda pulping

12

20

41.3 ± 0.3

68.56 ± 2.14

293 ± 4

6.53 ± 0.17

12.41 ± 0.27

12

25

43.2 ± 0.2

85.56 ± 2.18

326 ± 6

6.86 ± 0.16

11.76 ± 0.23

12

30

43.9 ± 0.4

89.24 ± 2.25

344 ± 7

8.49 ± 0.15

11.76 ± 0.19

12

35

43.9 ± 0.4

81.62 ± 1.94

302 ± 5

7.18 ± 0.18

10.38 ± 0.18

Bio-soda pulping

12

─

41.4 ± 0.3

84.35 ± 1.96

288 ± 4

7.15 ± 0.13

11.38 ± 0.20

Soda pulping

12

─

37.3 ± 0.5

67.51 ± 2.07

194 ± 3

6.27 ± 0.14

13.06 ± 0.22