Question

how can we control water pollution name the method of purifying water​

Answer 1

Answer:

we can control water pollution as the following ways-

1-by filteration

2-by saperation

3-by purifying

Answer 2

Answer:

To control water pollution we can take the following steps:

1. Stabilisation of ecosystem:

(a) Reduction of waste at source

(b) Harvesting and removal of biomass

(c) Trapping of the nutrients.

2. Using water hyacinth to remove water pollutants: Water hyacinth is extremely efficient in absorbing and concentrating dissolved nutrients from water in which it lives.

3. Using chemical methods: Several chemical methods have been devised for the treatment of industrial effluents before discharging them in water bodies, like ion exchange, Reverse Osmosis(R.O.) etc.

Methods of water purification are:

1. Filtration

2. Distillation

3. Chlorination

4. Boiling

5. Reverse Osmosis