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6 3 1396

53

*

8415683111

* r.hosseini@cc.iut.ac.ir

: :

:16 1396

:17 1396

:

.

.

.

250

%4 %2/1 . %2

.

%1 .

.

%1 .

150 30 80

.

1-

) Feldspars (

KAlSi3O8) ( NaAlSi3O8) (

CaAl2Si2O8) ( ]1[ .

20 25

]2[ .

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...

54 6 3 1396

]3[.

.

]4[ 18

/

.

]3 ,5[ .

]6[.

.

.

.

]7[ .

.

.

.

2-

2-1 -

.

.

%50 75 .

250 105 88 63 44 37

XRF

.

XRF XRD

)1 ( )1 ( .

XRD )1 (

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6 3 1396 55

.

/

) %5( XRD .

1- XRF

SiO2 Al2O3 K2O Na2O Fe2O3 CaO MgO Cl LOI

8/64 4/17 4/7 25/2 8/1 7/0 5/0 3/1 6/2

6/61 6/15 1/4 6/2 1/4 4/0 2/1 5/1 3/7

3/71 9/11 6/5 1/3 6/1 4/2 7/0 4/0 6/2

1- XRD .

) ( ) ( )( ) .Qz : kfs : Ab :(

2-2-

250

%5

500 15 .

.

%10

.

2-3 -

.

30

50

150 30 60

. 5=pH

.

) (

)(

)(

)(

Qz, kfs

Qz, kfs

Ab, kfs Qz, kfs Qz Qz

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56 6 3 1396

.

pH 3

80 .

3-

.

3 -1-

)2 ( .

2-

)( 250+ 105 +250- 88 +105-63 +88- 44 +63- 38 +44- 38-

(%) 4/94 0/66 9/56 8/39 4/35 6/30 0/0

(%) 6/5 3/28 2/9 1/17 4/4 8/4 6/30

SiO2 3/74 3/74 9/77 1/79 4/78 6/75 8/69

Al2O3 7/11 6/10 5/10 7/9 6/9 3/10 6/18

K2O 4/6 3/6 8/4 7/4 5/4 9/4 4/4

Na2O 8/1 5/1 4/1 2/1 3/1 5/1 4/1

Fe2O3 5/1 9/1 5/1 4/1 4/1 6/1 2/2

(%) 9/65 5/41 6/38 1/36 0/35 9/33 0/0

(%) 1/34 3/24 0/3 5/2 1/1 1/1 9/33

SiO2 7/56 3/53 7/58 0/62 8/63 9/62 7/56

Al2O3 8/12 8/11 3/12 4/11 1/14 8/14 9/21

K2O 5/6 3/7 1/6 5/5 5/4 4/4 1/4

Na2O 5/2 3/2 1/2 1/2 7/1 7/1 7/1

Fe2O3 4/10 3/13 7/10 3/9 4/2 5/7 2/7

(%) 1/70 8/51 2/47 3/42 5/36 4/33 0/0

(%) 9/29 3/18 6/4 9/4 8/5 1/3 4/33

SiO2 9/52 9/65 9/66 8/71 7/78 7/65 5/60

Al2O3 0/8 2/7 3/7 5/8 5/8 4/10 9/15

K2O 0/10 1/10 0/9 7/6 3/6 1/7 9/4

Na2O 3/5 5/3 9/2 7/2 6/2 8/2 4/2

Fe2O3 5/4 6/2 7/2 9/2 1/2 7/4 8/4

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6 3 1396 57

) 37 (

.

.

.

Al2O3 . K2O

Na2O

)1(

.

.

) 30 37 (

) (

.

)2 (

.

.

3 -2 -

.

.

.

] 6[ .

)3 ( .

18

. Al2O3 20

K2O 15 Na2O 18 .

4 .

2/2

.

.

39 .

Al2O3 K2O

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58 6 3 1396

. 43 Na2O 27 .

3-

SiO2 Al2O3 K2O Na2O Fe2O3

7/17 9/60 7/19 3/6 3/2 2/2

3/82 9/81 5/8 5/3 5/1 0/1

0/39 0/60 3/17 5/4 8/1 0/6

0/61 2/70 2/13 5/3 1/2 4/4

5/38 4/64 6/11 9/4 6/2 3/5

5/61 1/74 7/7 6/5 9/2 5/2

39

) 7

( .

. Al2O3 K2O Na2O

38 34 32 .

.

3 -3-

.

.

)4(

75

.

) (

.

95

5/1

.

.

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6 3 1396 59

4-

SiO2 Al2O3 K2O Na2O Fe2O3

2/75 9/62 7/19 1/6 7/1 1/2

8/24 1/49 0/11 5/3 3/2 8/22

5/98 0/62 3/17 4/4 6/1 5/4

5/1 6/37 5/15 5/3 5/1 0/29

1/95 8/63 4/12 2/5 8/2 1/4

9/4 5/58 8/11 4/4 5/2 3/9

.

.

3 -4-

)Na2S2O4 (

]8 ,

9 .[

.

. 30

60 .

)1 ( )2 (

]10[.

XRF )5 (

. 30

.

1( Na2S2O4 + 3H2O NaHSO4 + NaHSO3 + 4H+

2( 2NaHSO3 + Fe2O3 + 2H+

2NaHSO4 + H2O + 2Fe2+

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60 6 3 1396

5-

SiO2 Al2O3 K2O Na2O Fe2O3

Cû 30 7/56 2/19 8/6 4/2 6/2

Cû 60 6/53 0/21 5/7 5/1 4/2

Cû 30 9/55 8/17 6/4 1/2 5/2

Cû 60 3/52 5/17 8/4 6/1 7/4

Cû 30 0/65 2/14 4/5 5/2 3/2

Cû 60 5/58 2/15 2/6 8/2 5/3

60

30 .

.

.

]11-13 [

.

.

XRF

.

60

XRD) )2 (( XRD

)1 ( .

2- XRD .

) ( ) ( ) ( ) .Qz : kfs : Ab : Ms :(

Qz, kfs

Qz, kfs Ab, kfs Qz, kfs

Qz Qz

Ms

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6 3 1396 61

) (

)2 (

)1 (

5/26

. XRF

60 )5 (

)1 ( K2O Na2O

. 12

.

.

]14 ,15[

]16[ .

)1 ( )2 (

.

XRF

10

.

.

.

.

80

. )3(

]17 ,18[.

3( 3C2O42

+ Fe3+

[Fe(C2O4)3]3

.

]17 .[ XRF

)6 ( .

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62 6 3 1396

.

.

6-

SiO2 Al2O3 K2O Na2O Fe2O3

2/60 0/15 6/3 1/1 2/1

2/72 4/16 8/2 1/2 1/1

4/73 8/12 5/4 1/3 8/0

3 -5-

150

)7 (

. 24

)Net Present Value ( 2/2

.

7-

) ( 150

18/21930

) 3 ( 89/393

12000

) ( 8/4504

4/5621

30032

80000

39643

26

) IRR( 24

6/47

) NPV( 54/2214

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6 3 1396 63

4-

.

.

.

.

.

.

82773/104 .

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]4 [ . . . . . .

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.

[5] M. R. Hosseini, and A. Ahmadi,

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64 6 3 1396

review on iron removal, Applied Clay

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]11 [ . .

MiniTab

.1382

.

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6 3 1396 65

of dissolved silica in aqueous extracts of

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