High Surface Area Calcium Hydroxide
High specific surface area calcium hydroxide refers to a form of calcium hydroxide (Ca(OH)2) that has a large surface area per unit mass. This is achieved by reducing the particle size of the calcium hydroxide, which increases the total surface area of the particles exposed to the environment.
The high specific surface area of this material makes it useful in a variety of applications, particularly in the fields of construction, environmental remediation, and industrial processes. In construction, high specific surface area calcium hydroxide can be used as a binding agent in mortars, plasters, and concrete, as well as in the production of specialty building materials such as aerated concrete.
Calcium hydroxide with high specific surface area uses calcium oxide as raw material, adds functional composite additives, and is produced by a specific process. A large number of cavities and wrinkles are formed in the structure, which is different from the traditional particle structure. The specific surface area is 3 times that of ordinary calcium hydroxide. times, so in terms of gas adsorption, reactivity.It has incomparable advantages in fluidity and reaction speed. In addition, according to the user’s desulfurization needs, the catalyst can be enhanced to ensure the desulfurization effect.
High specific surface area calcium hydroxide offers several advantages in terms of its performance compared to traditional forms of calcium hydroxide. Some of the key performance benefits of this material include:
Increased reactivity: The high specific surface area of calcium hydroxide particles allows for more efficient and rapid chemical reactions, resulting in improved performance in a range of applications.
Enhanced binding properties: The increased surface area of high specific surface area calcium hydroxide particles improves their binding properties, making them useful as a binding agent in construction materials such as mortars and concrete.
Improved adsorption capacity: The high specific surface area of the material also enhances its adsorption capacity, allowing it to effectively adsorb and remove pollutants from gases and liquids.
Better dispersion: The small particle size of high specific surface area calcium hydroxide particles allows for better dispersion in aqueous solutions, resulting in improved performance in applications such as wastewater treatment.
Increased efficiency: The increased reactivity and adsorption capacity of high specific surface area calcium hydroxide results in improved efficiency in a range of applications, leading to lower costs and reduced environmental impact.
High specific surface calcium hydroxide production process
Comparison of physical and chemical indicators
| Name | High Specific Calcium Hydroxide Index | Ordinary Calcium Hydroxide Index |
| Specific surface area BET (adsorption method test) | 43-45m²/g | 12-15m²/g |
| Calcium hydroxide content (dry basis, %) | ≥90±3 | ≥85 |
| Exterior | White powder | White powder |
| Moisture (%) | ＜3% | ≤3% |
| Catalyst | Contain | Does not contain |
Specific surface area test data
| Slope （a） | 0.095464227 | Intercept（b） | 0.001859377 |
| Correlation Coefficient（r） | 0.99986995 | BET constant（c） | 52.34204449 |
| BET multi-point method（P/P0=0.04222-0.2961）specific surface area | 44.7347796441811m²/g | ||
The increased surface area of high specific surface area calcium hydroxide particles also enhances their reactivity, allowing for more rapid and efficient chemical reactions. This can be particularly useful in applications such as flue gas desulfurization, where the material is used to remove sulfur dioxide from emissions.
Overall, the high specific surface area of calcium hydroxide provides a number of benefits in a range of applications, including increased reactivity, improved performance, and greater efficiency.