Bentonite for iron ore pelletizing is mined on “10th Khutor” (Khakassia) and “Dash- Salakhlinskoye (Azerbaijan) deposits.
Bentonite of Dash- Salakhlinskoye deposit is high-quality, alkaline (sodium) clay with montmorillonite content over 80%. Application of rational technologies for activation allows getting a high-quality alkaline bentonite which possesses a full range of rheological properties necessary for pelletizing, sintering and briquetting:
Swelling number
|
ml/2g | ?28 |
Effective viscosity |
mPa/s | ?30 |
ENSLIN number |
% | ?650 |
Thermal stability |
unit | 0,90-0,98 |
Moisture mass fraction |
% | менее 23% |
Properties of Dash-Salakhlinskoye bentonite are close to the best world analogues.
Bentonite characteristics:
The use of Dash - Salakhlinskoye bentonite in the charge materials contributes to the production of pellets with a low damage ratio at high-temperature firing process and their high fracture resistance due to thermal stresses. The use of bentonite contributes to fines reduction in the pellets and to the reduction of abrasion during transportation.
When using Dash - Salakhlinskoye bentonite, costs per unit are reduced by 10-15% compared to existing analogues.
Вentonite of “10th Khutor” deposit (Khakassia) is alkaline-earth, with a high montmorillonite content. Bentonite is artificially converted to the sodium (alkaline) form by activating it with soda ash. It has the full complex of rheological properties necessary for pelletizing, agglomeration and briquetting technology:
Bentonite with the following quality parameters is supplied to the customers:
Swelling number |
ml/2g | ?28 |
Effective viscosity |
mPa/s | ?28 |
ENSLIN number | % | ?650 |
Thermal stability |
unit | 0,8-0,9 |
Moisture mass fraction |
% | less 23% |
Depending on the needs of IOPs, we can supply dried bentonite with a narrow humidity range.
Our products have been successfully used for a long time by:
JSC “Karelsky Okatysh”, PJSC “Mikhailovsky GOK”, JSC “Oskol Electrometallurgical Plant”, JSC “Lebedinsky GOK”, JSC “Stoilensky GOK”
We will help with guaranteed and successful solution and eliminate problems in technology and in the quality of pellets, agglomerate and briquettes.
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