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به نام خداوند بخشنده مهربان. دانشگاه صنعتی اصفهان دانشكده شیمی. استخراج روغن سبوس برنج با روش استخراج با سيّال تحت فشار ( PFE ) و بهينه ‌ كردن شرايط استخراج به وسيله طراحی فاكتوريال. سميه كوچكي. استاد راهنما: استاد مشاور:

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( PFE )

: :

85


  • :

3


  • .

  • .

  • .

4


  • :

  • :

5


  • :

  • - :

6


:

  • 1848

  • Franz van Soxhlet

:

1-

2-

3-

4-

5-

7


:

  • 1970

  • 1982

  • :

1-

2-

3-

4-

8


3 :

1-

2-

3-

9


. :

1- (Supercritical Fluid Extraction):

2- (Microwave Associated Extraction):

3- (Pressurized Fluid Extraction):

10


  • :

  • CO2

  • :

11


  • :(PFE)

  • (Accelerated Solvent Extraction)

  • 1994.

  • 1995.

12


13


  • PFE :

  • : PU-2080 JASCO .

  • : 316 10

  • () co-2060 Plus JASCO .

  • BP-1580-81 JASCO .

14


15


  • :

  • - .

  • - .

  • - .

  • - .

  • - .

  • - .

16


  • :

  • ( ) .

  • 90% .

  • .

  • .

17


DIONEX :

18


PFE:

  • -

    -

  • -

  • -

19


  • :

  • .

  • .

  • 10- 8 .

  • 20-12 .

20


  • :

  • :

E

21


Tocopherol

Tocoterienol

Oryzanol

22


23


  • :

  • +6.Cr

  • .

  • SiC/rice bran carbon .

  • 8

  • 16-12.

  • .

24


25


26


King rice bran oil

California rice bran oil

Honest Food

27


28


Central Composite Designs

29


Central Composite Designs (CCD):

  • CCD :

  • ( ) : k2

  • k2

  • CCD :

  • CCC

  • CCI

  • CCF

30


  • :

= (Nf)1/4

Number of

factors

Factorial

Portion

Scaled Value

for

2 22 1.414

3 23 1.682

4 24 2.00

5 25-1 2.00

6 26-1 2.378

31


CCC :

X1 X2 X3 X4

X1 X2 X3 X4

-1 -1 -1 -1

1 -1 -1 -1

-1 1 -1 -1

1 1 -1 -1

-1 -1 1 -1

1 -1 1 -1

-1 1 1 -1

1 1 1 -1

-1 -1 -1 1

1 -1 -1 1

-1 1 -1 1

1 1 -1 1

-1 -1 1 1

1 -1 1 1

-1 1 1 1

1 1 1 1

-2 0 0 0

2 0 0 0

0 -2 0 0

0 2 0 0

0 0 -2 0

0 0 2 0

0 0 0 -2

0 0 0 2

0 0 0 0

0 0 0 0

0 0 0 0

0 0 0 0

0 0 0 0

0 0 0 0

0 0 0 0

2k

2k

7

32


:

y = ( x1 x2 , xk )

Y = 0 + j Xi + jj Xj2+ jk Xj Xk

Y Xijk

: 0

: j

: jj

: jk

33


  • :

  • :

80 - 70

oC100 3

: 933/5

34


  • :

n :-

: 10

35


  • :

n :-

: 2

:

:

: 30

36


  • PFE:

37


  • PFE:

  • :

: 60%

50 50 4/0 20

38


2 =4/1 (16) =4/1( ) =

39


40


41


ti = (bi-0)/s bi =bi / s bi

42


Y= 8402/7- + 7104/1 T + 3961/0 P +2215/1 t 4564/1 F

0086/0 T2 0023/0 P2 0131/0 t2 8812/0 F2 - 0001/0 T.P

0032/0 T.t 1768/0 T.F 0008/0 P.t + 0410/0 P.F 0270/0 F.t

43


Y= 5095/1 T + 3782/0 P + 0974/1 t 0073/0 T2 0022/0 P2

0126/0 t2-0002/0 T.P 194/0 T.t -0006/0 T.F + 0174/0 P.F

44


SSlog / (f-p)

Flog =

SSpe / (n-f)

SSlog

SSpe

R2 9221/0

FCal (66/3) <FCrit (060/4)

45


:

R2 9221/0

46


  • :

  • :

47


  • oC 80 40 :

48


  • oC 80

  • 40 :

49


  • 90 40 :

50


  • 90 40 :

51


  • 2/0 40 :

52


  • 2/0

    40 :

53


  • 90 40 :

54


  • . 90 40 :

55


  • :PFE

56


  • PFE :

  • :

  • .

57


  • :

  • .

58


  • :

  • .

59


:

- . . . .

- E . . . .

60


23


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