Hydrated lime, also known as calcium hydroxide (Ca(OH)2), is a versatile chemical compound with various applications across different industries. Here are some common uses of hydrated lime:
Water Treatment
Hydrated lime is widely used in water and wastewater treatment processes. It is added to water to adjust pH levels, reduce acidity, and control the formation of odors and harmful bacteria. It can also aid in the removal of impurities, such as heavy metals, in water treatment plants.
Soil Stabilization
Hydrated lime is used in soil stabilization projects to improve the properties of soil. It can be added to clay or expansive soils to increase their load-bearing capacity, reduce swelling, and improve compaction. This application is commonly employed in road construction, building foundations, and land reclamation projects.
Construction
Hydrated lime finds applications in the construction industry. It is used in mortar and plaster formulations to enhance workability, increase bonding strength, and improve the durability of masonry. Hydrated lime can also be used as a filler material in asphalt mixes for road construction.
Environmental Remediation
In environmental remediation projects, hydrated lime is utilized to treat contaminated soil or sludge. It can immobilize heavy metals, neutralize acidic soil or waste, and facilitate the stabilization and solidification of hazardous materials.
Industrial Processes
Hydrated lime is employed in various industrial processes. It is used in the production of paper, pulp, and chemicals. It can act as a pH regulator, buffering agent, or precipitating agent in chemical reactions. Hydrated lime is also utilized in sugar refining, steel manufacturing, and leather tanning processes.
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