1)

Calcium chloride, CaCl2, is a common salt. It behaves as a typical ionic   halide, and is solid at room temperature.

2)

It has several common applications such as brine for refrigeration   plants, ice and dust control on roads, and in concrete.

3)

It can be produced directly from limestone, but large amounts are also   produced as a by-product of the Solvay process.

4)

Because of its hygroscopic nature, it must be kept in tightly-sealed   containers.

5)

It is used to turn kelp into a solid.

1)

Used in highway, expressway, parking lot and port. As   dryer to dry nitrogen, oxygen, hydrogen, hydrogen chloride and sulfur   dioxide.

2)

Act as dehydration agent when producing alcohol, ester,   aether and crylic acid.

3)

Calcium chloride is a kind of important cryogen used by   freezing machine and when making ice.

4)

It can speeden hardness of concrete and increase cold   resistance ability of construction sand pulop.

5)

In port, act as fog removing agent and dust collecting   agent on road and fireproof agent of textile. Protective agent and refining   agent of aluminum magnesium metallurgy.

6)

Act as precipitator in producing lake paint.

7)

It is a kind of raw material of producing calcium salt.

8)

In algae sodium and bean industry it acts as   flecculation.