HIGH SSA CALCIUM HYDROXIDE
Minben High–Specific Surface Area Calcium Hydroxide (high-reactivity hydrated lime) represents a new generation of advanced alkaline reagents. Produced using a proprietary semi-dry hydration process, it features a significantly increased specific surface area and an optimized pore structure.
This unique physical structure maximizes contact efficiency and reaction activity, delivering outstanding performance in applications that demand high precision and efficiency, including adsorption, neutralization, and chemical synthesis. Our newly commissioned, state-of-the-art facility—designed specifically for this premium product—has an annual production capacity of 600,000 tons.
Specifications
Minben High-Specific-Surface-Area Calcium Hydroxide features a highly developed surface structure and controlled pore properties, supporting enhanced reaction, adsorption, and neutralization performance in demanding environmental and industrial applications.
Core Structural Parameters
BET surface area ≥ 40 m2/g
(can be adjusted to ≥ 55 m2/g)
Total pore volume ≥ 0.20 cm3/g
Chemical Composition
Ca(OH)2 ≥ 90.0%
Loss on drying ≤ 0.50%
Physical Properties
Bulk density 0.35–0.60 g/mL
Customization
Specific surface area, pore structure, and other key parameters can be adjusted according to application requirements.
Core Advantages
High Reaction and Adsorption Efficiency
An ultra-high specific surface area combined with an open pore structure provides a large number of active sites, delivering significantly higher reaction, neutralization, and adsorption rates and capacities compared with conventional calcium hydroxide.
Exceptional Purity and Performance Consistency
Produced using a proprietary pre-hydration and multi-stage precision hydration process. Reaction conditions are precisely controlled without the use of additives, resulting in higher product purity and consistent performance.
Energy-Efficient and Environmentally Responsible Production
Integrated waste-heat drying and sealed storage systems significantly reduce energy consumption while preserving product reactivity, ensuring controlled quality from production through storage.
Flexible Solutions for Advanced Applications
Backed by a high-capacity production line delivering 600,000 tons annually, we provide standard and customized grades designed for demanding applications such as environmental materials and specialty chemical synthesis.
Key Applications
High-End Flue Gas Purification
Designed for high-efficiency desulfurization, deacidification, and removal of hazardous pollutants.
Soil Remediation and Stabilization
Used to stabilize heavy metals in contaminated soils and sediments, reducing environmental risks.
Fine Chemicals and Advanced Material Synthesis
Serves as a calcium source or alkaline agent for nano calcium carbonate and high-purity calcium salts.
Rubber and Plastics Additives
Functions as an acid scavenger and thermal stabilizer to help prevent material degradation.
Pharmaceutical and Food Intermediates
High-purity grades may be used in pharma intermediates or food additives, subject to applicable standards.
High-Performance Construction Materials
Applied in specialty mortars, putties, and advanced building materials to improve workability and performance.
High-End Flue Gas Purification
Designed for industrial exhaust treatment requiring ultra-high desulfurization and deacidification efficiency, particularly in low-temperature and low-sulfur conditions, and for synergistic removal of heavy metals, dioxins, and other hazardous pollutants.
Soil Remediation and Stabilization
Used as a high-efficiency stabilizing agent for soils and sediments contaminated with heavy metals. Its high specific surface area enables more effective immobilization of pollutants, reducing environmental risks.
Fine Chemicals and Advanced Material Synthesis
Serves as a key calcium source or alkaline agent in the production of nano calcium carbonate and high-purity calcium salts.
Rubber and Plastics Additives
Functions as an acid scavenger and thermal stabilizer in rubber vulcanization and plastic processing, helping prevent material degradation.
Pharmaceutical and Food Intermediates
High-purity grades can be used in pharmaceutical intermediate production or as food additives, subject to compliance with applicable food-grade standards.
High-Performance Construction Materials
Applied in the formulation of high-strength, fast-setting specialty mortars, putties, and innovative building materials, improving workability and final material performance.
Quality Report
These tested indicators demonstrate the product’s developed surface structure, controlled pore volume, and stable chemical composition, supporting its application in environmental treatment and advanced calcium-based material fields.
| Indicator Name | Standard Requirement | Content % (Analysis Result) |
|---|---|---|
| BET Specific Surface Area | ≥40 m2/g（Customizable to ≥55 m2/g） | 58 m2/g |
| Total Pore Volume | ≥0.20 cm3/g | 0.21 cm3/g |
| Loss on Drying | ≤0.50% | 0.32% |
| Calcium Hydroxide Content | ≥90.0% | 93% |
| Bulk Density | 0.30–0.60 g/mL | 0.361 g/mL |
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