08.08.2015   BIOGAS

The study on manufacturing technology of biogas residue film

Biogas residue fibre film samples were prepared with the method of clean pulping and paper-making process. The optimization of the technological parameters were studied by the method of the central composite quadratic orthogonal rotational experiment, beating degree, grammage, rosin, bauxite and wet strength agent were selected as input variables, and dry tensile strength, wet tensile strength, degradation period were chosen as response functions.

Factors and its levels of experiment were shown in table 3-1. Experimental plan and results were shown in table 3-2.

Factor

level

Beating degree

/SR°

x1

Grammage

/g/m2

x2

Rosin

/%

x3

Bauxite

/%

x4

Wet strength agent

/%

x5

Y(+2)

50

110

1.2

6

3.0

(+1)

45

95

1

5

2.4

(0)

40

80

0.8

4

1.8

(-1)

35

65

0.6

3

1.2

-Y(-2)

30

50

0.4

2

0.6

Table 3-1. Factors and its levels of experiment

Factors__________________________ Response functions

Run

Beating

degree

SR°

Grammage

g/m2

Rosin

0/

%

Bauxite

%

Wet

strength agent %

Dry

tensile

strength

N

Wet

tensile

strength

N

Degradation

period

day

x1

x2

x3

x4

x5

Уіі

У2<

У3І

1

35

65

0.6

3

2.4

29.8

12.0

26.7

2

45

65

0.6

3

1.2

24.2

9.9

25.9

3

35

95

0.6

3

1.2

33.0

15.1

30.3

4

45

95

0.6

3

2.4

35.8

17.4

34.1

5

35

65

1

3

1.2

18.3

9.5

26.5

6

45

65

1

3

2.4

20.3

10.7

27.8

7

35

95

1

3

2.4

35.4

15.7

30.1

8

45

95

1

3

1.2

30.1

16.1

30.1

9

35

65

0.6

5

1.2

23.1

9.6

20.6

10

45

65

0.6

5

2.4

25.5

11.0

27.9

11

35

95

0.6

5

2.4

30.9

18.0

38.3

12

45

95

0.6

5

1.2

35.2

9.8

33.3

13

35

65

1

5

2.4

20.1

11.1

29.5

14

45

65

1

5

1.2

23.0

9.0

20.1

15

35

95

1

5

1.2

32.9

13.0

32.1

16

45

95

1

5

2.4

35.5

17.0

38.9

17

30

80

0.8

4

1.8

26.3

14.7

30.5

18

50

80

0.8

4

1.8

23.4

12.0

31.1

19

40

50

0.8

4

1.8

18.0

9.7

25.0

Run

Beating

degree

SR°

Grammage

g/m2

Rosin

0/

%

Bauxite

0/

%

Wet

strength agent %

Dry

tensile

strength

N

Wet

tensile

strength

N

Degradation

period

day

x1

x2

x3

x4

x5

y«

y2<

y3i

20

40

110

0.8

4

1.8

40.5

19.5

37.0

21

40

80

0.4

4

1.8

33.8

16.4

29.4

22

40

80

1.2

4

1.8

26.4

12.6

30.6

23

40

80

0.8

2

1.8

25.9

11.4

31.1

24

40

80

0.8

6

1.8

26.9

11.1

32.5

25

40

80

0.8

4

0.6

22.1

8.7

26.4

26

40

80

0.8

4

3

26.6

15.5

37.2

27

40

80

0.8

4

1.8

28.0

13.4

32.8

28

40

80

0.8

4

1.8

32.3

13.3

33.4

29

40

80

0.8

4

1.8

29.6

12.7

33.2

30

40

80

0.8

4

1.8

30.6

13.8

31.6

31

40

80

0.8

4

1.8

28.8

11.8

33.6

32

40

80

0.8

4

1.8

27.6

12.3

36.8

33

40

80

0.8

4

1.8

31.1

14.5

36.7

34

40

80

0.8

4

1.8

33.2

14.9

35.1

35

40

80

0.8

4

1.8

31.8

14.4

34.6

36

40

80

0.8

4

1.8

30.7

14.7

41.1

Factors__________________________ Response functions

Table 3-2. Experimental plan and results