Wednesday 22 May 2019
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Pirbakran Limestone Complex

+98 21 88935888
+98 21 84813223
Pirbakran Limestone Complex, Pirbakran Town, Zobe Ahan Highway, Isfahan

Pirbakran Limestone Complex has been providing the major part of lime needed for Isfahan Steel Company, as well as other steel-making companies, Metallurgic Cement and other industries for four decades.
Considering the steel factories needs, at present, the annual production is 1.5 million tons of limestone, although 2 million tons of limestone can be produced.The deposit of the Mine is 65 million tons which after extraction, crushing, and granulating at the plant's crusher unit, is transported by rail and on land to the consumer factories. This complex, in pace with Green Industry and by using domestic knowledge and potency, experimenting research projects, has been able to, by reducing stop time, increase the production and by incorporating control and protective systems, reduce the spread of dust to the environment.
Aiming to reach the objectives of Green Industry, the Complex has undertaken research studies and applied domestic knowledge and potency in a bid to reduce the stop time, increase the production , create control and protective system , and the result was the reduction of dust spread in the environment.
The complex holds ISO 14001, ISO 9001 and OHSAS 18001 certificates.

Granulated Limestone Chemical Analysis

Screen Analysis

(mm)

 

Quality specification of granulated limestone (%)

L.O.I

s

P2O5

Mgo

cao

Al2O3

Fe2O3

Sio2

Caco3

43-43.5

<0.1

<0.05

<0.5

< 54.5

> 0.3

> 0.2

> 1.0

< 97

80-140

40-80

12-50

12-25

5-12

42-43

<0.1

<0.05

<0.5

< 53.0

> 2.0

> 0.3

> 2.0

< 96

0-100

0-40

42-43

<0.1

<0.05

<0.5

< 52.0

> 2.0

> 0.5

> 2.0

< 93

0-25

0-12

0-5

42-43

<0.1

<0.05

<0.5

52.0 <

2.0 >

0.5 >

2.0 >

93 <

Micronized

Lime powder

 


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