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6 3 1396
53
*
8415683111
: :
: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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. 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 .
[1] F. Crundwell, The mechanism of
dissolution of the feldspars: Part I.
Dissolution at conditions far from
equilibrium, Hydrometallurgy, Vol. 151,
pp. 151-162, 2015.
[2] M. R. Yazdani, T. Tuutijärvi, A.
Bhatnagar and R. Vahala, Adsorptive
removal of arsenic (V) from aqueous
phase by feldspars: kinetics, mechanism,
and thermodynamic aspects of
adsorption, Journal of Molecular Liquids,
Vol. 214, pp. 149-156, 2016.
[3] Y. Liu, H. Peng and M. Hu, Removing
iron by magnetic separation from a
potash feldspar ore, Journal of Wuhan
University of Technology-Mater. Sci.
Ed., Vol. 28, No. 2, pp. 362-366, 2013.
]4 [ . . . . . .
.1396
.
[5] M. R. Hosseini, and A. Ahmadi,
Biological beneficiation of kaolin: A
Dow
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64 6 3 1396
review on iron removal, Applied Clay
Science, Vol. 107, pp. 238-245, 2015.
[6] E. Barrachina, I. Calvet, D. Fraga and
J.B. Carda, Ceramic porcelain stoneware
production with Spanish clays purified by
means of the removal of iron compounds
and organic matter using physical
methods, Applied Clay Science, Vol.
143, pp. 258-264, 2017.
[7] L. Chen, R. Yang, J. Zeng, Y. Shao, Q.
Xiao and S. Guo, A wet belt permanent
high gradient magnetic separator for
purification of non-metallic ores,
International Journal of Mineral
Processing, Vol. 153, pp. 66-70, 2016.
[8] M. Lu, G. Xia and W. Cao, Iron removal
from kaolin using thiourea dioxide:
Effect of ball grinding and mechanism
analysis, Applied Clay Science, Vol. 143,
pp. 354-361, 2017.
[9] M. Lu, G. Xia and X. Zhang, Refinement
of industrial kaolin by removal of iron-
bearing impurities using thiourea dioxide
under mechanical activation, Applied Clay
Science, Vol. 141, pp. 192-197, 2017.
[10] S. Irwin, A comparison of the use of
sodium metabisulfite and sodium
dithionite for removing rust stains from
paper, The book and paper group annual,
Vol. 30, pp. 37-46, 2011.
]11 [ . .
MiniTab
.1382
.
[12] N.H. Aguilera and M.L. Jackson, Iron
oxide removal from soils and clays, Soil
Science Society of America Journal, Vol.
17, No. 4, pp. 359-364, 1953.
[13] V. Ambikadevi and S. Gopalakrishna,
Iron stain removal by bleaching and
leaching techniques, in Proceedings of
the 10th Kerala Science Congress, 1997.
[14] B. Smith, Chemical dissolution
techniques in the study of soil clays: Part
I, Clay Minerals, Vol. 6, p. 23, 1965.
[15] E.A.C. Follett, W.J. Mchardy, B.D.
Mitchell and B.F.L. Smith, Chemical
dissolution techniques in the study of soil
clays: Part II, Clay Minerals, Vol. 6, p.
35, 1965.
[16] J. McKeague and M. Cline, Silica in soil
solutions: I. The form and concentration
Dow
nloa
ded
from
ijcs
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at 1
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6 3 1396 65
of dissolved silica in aqueous extracts of
some soils, Canadian Journal of Soil
Science, Vol. 43, No. 1, pp. 70-82, 1963.
[17] M.R. Hosseini, M. Pazouki, M. Ranjbar,
M. Habibian, Bioleaching of iron from
highly contaminated kaolin clay by
Aspergillus niger, Applied Clay Science,
Vol. 37, No. 3, pp. 251-257, 2007.
[18] M. Taran and E. Aghaie, Designing and
optimization of separation process of iron
impurities from kaolin by oxalic acid in
bench-scale stirred-tank reactor, Applied
Clay Science, Vol. 107, pp. 109-116
2015.
Dow
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from
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