Calcium Hydroxide used in many
industry applications

Calcium hydroxide, also known as slaked lime, is a chemical compound with various industrial and commercial applications. Here are some of its uses:

1. Water Treatment: Calcium hydroxide is commonly used in water treatment processes to adjust pH levels and remove impurities. It helps precipitate metals, neutralize acidity, and disinfect water supplies.
2. Construction: It is used in the construction industry as a key ingredient in mortar, plaster, and concrete formulations. Calcium hydroxide contributes to the hydration and hardening of cementitious materials, improving strength and durability.
3. Food Additive: Calcium hydroxide is used as a food additive in various food processing applications. It serves as a pH regulator, firming agent, and additive in foods such as pickles, canned fruits, and baking powder.
4. Soil Stabilization: It is used in agriculture for soil stabilization and pH adjustment. Calcium hydroxide helps neutralize acidic soils, improve soil structure, and enhance nutrient availability for plant growth.
5. Chemical Manufacturing: Calcium hydroxide serves as a precursor in the production of various chemicals and compounds. It is used in the synthesis of calcium salts, calcium carbonate, and other chemical intermediates.
6. Waste Treatment: It is used in waste treatment processes for neutralization of acidic wastewater and flue gases. Calcium hydroxide reacts with acidic pollutants to form insoluble precipitates, which can be removed from the environment.
7. Paper Industry: Calcium hydroxide is used in the paper industry for paper pulp bleaching and papermaking processes. It helps remove lignin and other impurities from pulp fibers, resulting in brighter and more uniform paper products.
8. Pharmaceuticals: It is used in pharmaceutical formulations for its antacid properties and as an ingredient in topical medications. Calcium hydroxide may be included in antacid tablets, dental products, and wound dressings.
9. Environmental Remediation: Calcium hydroxide is used in environmental remediation projects to treat contaminated soil and groundwater. It helps immobilize heavy metals and other pollutants through precipitation and chemical reactions.
10. Flue Gas Desulfurization: It is used in flue gas desulfurization (FGD) systems to remove sulfur dioxide (SO2) emissions from industrial exhaust gases. Calcium hydroxide reacts with SO2 to form calcium sulfite, which can be further oxidized to gypsum.