Which chemical is added in the process of coagulation?

Coagulation:

1. It is the process in which liquid is converted to semisolid or solid.
2. An example of coagulation is blood clotting in the wounded parts of the body.
3. In water treatment, this process is used to remove solid waste particles suspended in water.

Chemicals used in coagulation:

1. The chemical agent used in coagulation is called a coagulant.
2. Aluminum sulfate, ferric sulfate, and Ferric chloride are some chemicals (coagulants) used in process of coagulation.