POWDERED QUICKLIME (CALCIUM OXIDE)
Minben Powdered Quicklime is produced for industrial processes that need rapid reaction and efficient operation. The finely grounded calcium oxide (CaO) delivers a high specific surface area, supporting fast and complete reactions for pH control, neutralization, and related chemical applications.
It is an ideal choice to achieve consistent results in high-efficiency process environments in both dry and slurry-based systems.
Specifications
Minben Powdered Quicklime features high available CaO content and stable, fine particle distribution. All products have consistent quality and reliable performance.
Chemical Composition
Available CaO ≥ 92%
Acid-insoluble matter ≤ 0.40%
Physical Properties
Particle size 0–5 mm
Reactivity ≥ 400 mL
Hydration Characteristics
Hydration temperature ≥ 98 °C
Hydration time ≤ 1 min
Core Advantages
Fast and Efficient Reaction Performance
The powdered form offers a large reactive surface area, enabling rapid response in applications such as flue gas desulfurization and wastewater treatment.
Excellent Mixing Uniformity
The product blends uniformly with other materials in both dry and slurry systems, supporting stable operation and consistent process performance.
Precise Dosing and Conveying
With excellent flowability, Minben Powdered Quicklime is well suited for advanced pneumatic conveying systems and precision dosing equipment, supporting automated and accurately controlled processes.
Reliable Quality and Secure Supply
Produced from proprietary high-calcium limestone resources and manufactured on fully enclosed production lines, the product delivers consistent purity and quality. Self-owned wharf further supports stable and large-volume supply.
Key Applications
Flue Gas Desulfurization (FGD)
Used as a high-reactivity sorbent in DSI and semi-dry systems to remove SO₂ from flue gas efficiently.
Wastewater Treatment and Sludge Stabilization
Applied for rapid pH adjustment, heavy metal precipitation, phosphorus removal, and sludge dewatering and sanitation.
Pulp & Paper
Serves as a causticizing agent to convert sodium carbonate into sodium hydroxide for white liquor recovery.
Soil Improvement
Used to neutralize acidic soils and stabilize heavy metals in contaminated or industrial soils.
Sugar Processing
Applied in sugar juice clarification and purification to remove colloids and impurities, improving product clarity.
Chemical Manufacturing
Used as a calcium source for producing calcium-based chemicals such as calcium stearate and bleaching powder.
Flue Gas Desulfurization (FGD)
Used as an effective sorbent in dry sorbent injection (DSI) and semi-dry systems for coal-fired power plants and waste-to-energy facilities, enabling rapid and efficient removal of sulfur dioxide (SO2).
Wastewater Treatment and Sludge Stabilization
Applied for rapid pH adjustment in industrial wastewater, precipitation of heavy metals, and chemical phosphorus removal. It is also used in municipal sludge treatment for dewatering and sanitation purposes.
Pulp & Paper
Serves as an efficient causticizing agent in the causticizing process, converting sodium carbonate into sodium hydroxide, improving white liquor recovery and process efficiency.
Soil Improvement
Used to neutralize acidic soils and stabilize heavy metals in contaminated soils.
Sugar Processing
Applied in sugar juice clarification and purification to remove colloids and impurities, improving product clarity.
Chemical Manufacturing
Used as a calcium source in the production of calcium-based chemicals, including calcium stearate and bleaching powder.
Quality Report
The product meets and exceeds the national standards of P.R. China for metallurgical lime, making it suitable for high-demand industrial applications.
| Indicator Name | Content % (Analysis Result) | National Standard of P.R. China – Metallurgical Lime (Special Grade) | National Standard of P.R. China – Metallurgical Lime(Grade I) |
|---|---|---|---|
| CaO | 94.28% | ≥ 92.0% | ≥ 90.0% |
| MgO | 0.41% | < 5.0% | < 5.0% |
| SiO2 | 0.20% | ≤ 1.5% | ≤ 2.5% |
| S | 0.018% | ≤ 0.020% | ≤ 0.030% |
| Loss on Ignition (LOI) | 0.14% | ≤ 2.0% | ≤ 4.0% |
| Reactivity (4 mol/L HCl, 40 ± 1 °C, 10 min) | 408 mL | ≥ 360 mL | ≥ 320 mL |
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