This mine is located 24 km from the axis of three castles to Birjand and the area of this mine is about 9 square kilometers.
The largest bentonite mine in Iran and the Middle East with a reserve of 3.6 million tons and a possible reserve of more than 15 million tons With the capacity of extraction, production and blending of 200 thousand tons of bentonite.
The potential of producing sodium, calcium and potassic bentonite with applications in steel industries, drilling oil and gas wells, foundry, animal feed and animal supplements, earth lines, etc.
The possibility of producing a variety of knowledge-based and high-tech products with high added value due to the existence of a wide range of bentonite with different qualities in this mine.
Technical Specifications
- Absorbent lump
- Sodium bentonite
Physical characteristics
Moisture percentage
Size
Water Absorption
(Next 2 hours)
Swelling
Color
15 - 20%
1 - 300 mm
550 - 650
20 - 22
Light gray
- Absorbent Powder
Physical characteristics
Particle size
Blain
Moisture
Water Absorption
45 mµ
75 mµ
>85%
>95%
4000-5000 cm2/gr
8 - 10%
550 - 650
- (XRD) Chemical analysis (XRD) of bentonite lump and powder
Element
Det.Limit
Unit
Value
SiO2
AL2O3
Fe2O3
TiO2
CaO
MgO
0.01
0.01
0.01
0.01
0.01
0.01
%
%
%
%
%
%
65 – 70
13 – 15
2
0.25
1.2
1.25
Na2O
K2O
P2O5
MnO
S
L.O.I
0.01
0.01
0.01
0.01
0.02
0.01
%
%
%
%
%
%
3.1
1.5
0.09
0.05
<0.02
8
Element
Det.Limit
Unit
Value
SiO2
0.01
%
65 - 70
AL2O3
0.01
%
13 - 15
Fe2O3
0.01
%
2
TiO2
0.01
%
0.25
CaO
0.01
%
1.2
MgO
0.01
%
1.25
Na2O
0.01
%
3.1
K2O
0.01
%
1.5
P2O5
0.01
%
0.09
MnO
0.01
%
0.05
S
0.02
%
<0.02
L.O.I
0.01
%
8
- Drilling Lump
Specification viscosity (Standard API)
Parameter Value
Standard
Requirement
35 - 40
Minimum 30
Viscometer dial reading at 600 R/min
24 - 27
Viscometer dial reading at 300 R/min
1 - 1.5
Maximum 3 lbf/(100 ft2•cP)
Yield point-plastic viscosity ratio
<15
Maximum 15.0 mL
Filtrate volume
- Drilling Powder
Specification viscosity (Standard API)
Particle size
Blain
Moisture
Residue on 200 mesh
45 mµ
75 mµ
>85%
>95%
5000 cm2/gr
8 - 10%
2.5%
- (XRD) Chemical analysis (XRD) of bentonite lump and powder
Element
Det.Limit
Unit
Value
SiO2
Al2O3
Fe2O3
TiO2
CaO
MgO
0.01
0.01
0.01
0.01
0.01
0.01
%
%
%
%
%
%
70
14
1.5
0.05
1.1
1.5
Na2O
K2O
P2O5
MnO
S
L.O.I
0.01
0.01
0.01
0.01
0.02
0.01
%
%
%
%
%
%
2.9
0.8
0.06
0.02
<0.02
8
Element
Det.Limit
Unit
Value
SiO2
0.01
%
70
AL2O3
0.01
%
14
Fe2O3
0.01
%
1.5
TiO2
0.01
%
0.05
CaO
0.01
%
1.1
MgO
0.01
%
1.5
Na2O
0.01
%
2.9
K2O
0.01
%
0.8
P2O5
0.01
%
0.06
MnO
0.01
%
0.02
S
0.02
%
<0.02
L.O.I
0.01
%
8
