印度河矿业（Indus Minerals）正在开伯尔-普赫图赫瓦省（KPK）投产一座月设计产能达2,000公吨的重选提纯工厂。工厂依托当地优质铬铁矿原矿，通过物理重选工艺提炼出品质稳定的冶金级铬精矿（Cr₂O₃ 38%–44%），专为高碳铬铁冶炼厂与合金钢生产企业定制。
每月铬精矿铭牌设计产能
2,000 吨/月
Feed Ore Source
Indigenous KPK Feed Ore
Direct regional mine-to-plant haulage
Target Output Product
Standard Metallurgical Concentrate
38%–44% Cr₂O₃ (Basis 40% / 42% min)
Primary End Use
Ferrochrome (FeCr) Smelters
The KPK Chromite Beneficiation Plant is currently undergoing active commissioning. Preliminary design parameters and metallurgical bench tests indicate an upgraded concentrate target of 38% to 44% Cr₂O₃ (Basis 40% / 42% min). Exact verified chemical assays, sizing distribution graphs, and recovery coefficients will be confirmed and certified following initial hot commissioning runs and accredited third-party laboratory verification (SGS / Alfred H. Knight).
The facility is engineered to process indigenous run-of-mine feed ore from KPK into uniform concentrate sand suitable for high-carbon ferrochrome (HC FeCr) submerged arc furnaces. The table below represents target production baselines:
| Constituent Parameter | Anticipated Target Range | Standard Metallurgical Target | Industrial Purpose in Smelting |
|---|---|---|---|
| Cr₂O₃ (Chromic Oxide) | 38.0% – 44.0% | Basis 40% / 42% min | Furnace metallic chromium recovery |
| Cr:Fe Ratio | 2.4:1 – 2.8:1 | ≥ 2.5:1 Target | Determines ferrochrome alloy chrome content |
| SiO₂ (Silica) | 6.0% – 10.0% max | Low Gangue | Minimizes slag volume & electric energy draw |
| Al₂O₃ (Alumina) | 10.0% – 13.5% | Slag Balancing | Assists furnace fluid viscosity control |
| MgO (Magnesia) | 14.0% – 17.5% | Refractory Neutral | Naturally balances furnace basicity |
| Phosphorus (P) | < 0.005% max | Low Impurity | Prevents embrittlement in stainless steel |
| Sulfur (S) | < 0.010% max | Low Impurity | Complies with clean steel melting specs |
| Sizing (Grain Distribution) | 60 – 200 Mesh (Concentrate Sand) | 75 – 250 microns (AFS 45–55 equivalent) | Uniform feed for sintering, briquetting & smelting |
| Moisture Content | < 1.0% (Dried) / 5–8% (Damp) | Contract Specific | Guarantees safe ocean container transport |
Notice to Commercial Buyers: Specifications stated above are target ranges subject to final operational validation during plant commissioning runs. Final contractual sales and pricing will be executed strictly on independent Certificate of Analysis (COA) issued by SGS / AHK at Karachi Port loading.
Moving from raw run-of-mine ore transport to localized beneficiation significantly streamlines supply chain predictability and costs.
Raw run-of-mine ore carries significant barren gangue. Upgrading at source in KPK ensures that only dense, payable concentrate is hauled to Karachi port, optimizing domestic transport economics.
Mechanical screening and gravity separation produce a consistent size fraction and blended chemical assay, significantly reducing variance compared to unbeneficiated pit-mouth ores.
Reduced silica gangue directly translates to lower slag volumes, reduced electrical power consumption (kWh per ton of FeCr produced), and enhanced tap-to-tap furnace efficiency.
If your organization operates ferrochrome smelters or trades industrial ferroalloys, submit your monthly volume requirements and technical specification baselines. Our commercial team will respond with tentative allocation terms.
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