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Calcium chloride anhydrous is a versatile chemical compound with a wide range of applications in various industries. Here are some of its main uses:

1. Deicing and anti-icing: Calcium chloride anhydrous is commonly used as a deicing agent to melt ice and snow on roads, sidewalks, and runways. Its hygroscopic nature allows it to attract moisture from the air, generating heat and accelerating the melting process. It is also used as an anti-icing agent to prevent the formation of ice on surfaces before snowfall or freezing conditions.

2. Dust control: Calcium chloride anhydrous is used for dust control in unpaved roads, parking lots, and construction sites. When applied to the surface, it absorbs moisture from the air, preventing the formation of dust particles and reducing air pollution. It helps to improve visibility, minimize respiratory issues, and enhance road safety.

3. Concrete acceleration: Calcium chloride anhydrous is added to concrete mixtures to accelerate the setting and hardening process. It increases the rate of hydration, allowing for faster curing times and early strength development. This is particularly beneficial in colder climates or when construction schedules need to be expedited.

4. Food industry: Calcium chloride anhydrous is used as a food additive for various purposes. It is commonly used as a firming agent for fruits and vegetables to maintain their texture and crispness. It is also used in cheese-making to improve curd formation and enhance the calcium content. Additionally, it is used as a coagulant in tofu production.

5. Desiccant: Calcium chloride anhydrous is utilized as a desiccant to remove moisture from the air in storage areas, packaging, and shipping containers. Its hygroscopic properties allow it to absorb excess moisture, preventing the growth of mold, mildew, and bacteria. It helps to preserve the quality and shelf life of products that are sensitive to moisture.

6. Industrial processes: Calcium chloride anhydrous is used in various industrial processes. It is used as a drying agent in gas and liquid dehydration systems. It is also used in wastewater treatment to remove impurities and improve water quality. Additionally, it is employed in the production of chemicals, pharmaceuticals, and plastics.

In summary, calcium chloride anhydrous finds applications in deicing, dust control, concrete acceleration, the food industry, desiccation, and various industrial processes. Its ability to melt ice, control dust, accelerate concrete curing, improve food preservation, absorb moisture, and facilitate chemical reactions make it valuable in several industries.