Hydrated Lime Per Ton: A Comprehensive Guide
Hydrated lime, also known as calcium hydroxide, is a widely used industrial chemical. Its applications span across various industries, including construction, water treatment, and agriculture. In this article, we will delve into the details of hydrated lime per ton, exploring its properties, uses, and cost factors.
Properties of Hydrated Lime
Hydrated lime is a white, odorless powder that is produced by slaking quicklime (calcium oxide) with water. It has a high pH value, making it a strong base. The chemical formula for hydrated lime is Ca(OH)2. Here are some key properties of hydrated lime:
- Appearance: Fine white powder
- Molecular Weight: 74.09 g/mol
- Boiling Point: 1,425掳C
- Melting Point: 580掳C
- Solubility in Water: 1.5 g/100 mL at 20掳C
Applications of Hydrated Lime
Hydrated lime finds numerous applications in various industries. Some of the most common uses include:
- Construction: Hydrated lime is used in the production of cement, mortar, and plaster. It helps in the setting and hardening of these materials.
- Water Treatment: Hydrated lime is used to treat water by neutralizing acidity, removing heavy metals, and controlling algae growth.
- Agriculture: Hydrated lime is used to adjust the pH of soil, making it more suitable for crop growth. It also helps in the control of soil-borne diseases.
- Environmental Protection: Hydrated lime is used in the treatment of industrial waste and air pollution. It helps in the removal of sulfur dioxide and hydrogen sulfide from flue gases.
Production of Hydrated Lime
Hydrated lime is produced through a process called slaking. Here’s a brief overview of the process:
- Calcium Oxide Production: Quicklime is produced by heating limestone (calcium carbonate) in a kiln at high temperatures (around 1,450掳C). This process is known as calcination.
- Slaking Process: Quicklime is then slaked by adding water. This reaction produces hydrated lime and heat. The chemical equation for the reaction is: CaO + H2O 鈫?Ca(OH)2.
- Drying and Grinding: The hydrated lime slurry is dried and then ground into a fine powder. This powder is the hydrated lime product.
Cost Factors of Hydrated Lime Per Ton
The cost of hydrated lime per ton can vary depending on several factors. Here are some of the key cost factors:
- Raw Material Prices: The cost of limestone, which is the primary raw material for quicklime, can fluctuate due to market conditions and availability.
- Energy Costs: The production of quicklime and hydrated lime requires significant energy, primarily in the form of fuel for the kiln. Energy costs can have a significant impact on the overall production cost.
- Transportation Costs: The cost of transporting hydrated lime from the production facility to the customer can vary depending on the distance and transportation method.
- Market Demand: The demand for hydrated lime can affect its price. Higher demand can lead to increased prices, while lower demand can result in lower prices.
As of [current date], the average cost of hydrated lime per ton in the United States is around $200 to $300. However, this price can vary significantly depending on the factors mentioned above.
Conclusion
Hydrated lime is a versatile industrial chemical with a wide range of applications. Understanding the properties, uses, and cost factors of hydrated lime per ton can help businesses make informed decisions regarding its procurement and usage. By considering the factors mentioned in this article, you can ensure that you are getting the best value for your hydrated lime investment.
