The flow chart demonstrates the information about how rainwater is collected and purified for family use in Australian city with the help of drains, water recycling points, chemicals etc.
Overall, the process has several points,it starts when rain water goes into drains and ends when clean water is sent back to the houses.Individually,the main goal is to remove dirt and germs so that it can be used again.
First,when it rains,the water flows into the drains.This water is then pumped into a recycling points,where it goes through four steps.In first two steps, plastic and rubbish,small particles are removed.In the other two steps,the water is cleaned by the removal of bacteria, virusea,salt and molecules.
After the four stages, chlorine of 4mg/l is added into the water .Once the chemical treatment is finished,the water is moved to water storage. During sunny weather,the water is pumped back to the houses to be used by the people lived in Australian city.
