Question

Describe the causes and control measures of industrial pollution in brief.

Answer 1

Industrial pollution is mainly responsible for the discharge of harmful substances in the water bodies and soil.

There are many sources and causes of industrial pollution which are:

1. Minor acids, fats, oils and grease from the textile industry.

2. Free chlorine from paper and pulp industry.

3. Mineral acids, tartaric acid and nitro-compounds from the chemical industry.

4. Sulphide, chromium, phenol and tannic acid from tanneries.

5. Fluorides, cyanogen and limestone from metal industry.

6. Starch from food processing industry.

7. Lead mineral acids from batteries.

8. Alkalis, fats, oils and grease from wool scouring.

9. Hydrocarbons, phenols, fats from the petroleum industry.

10. Lead, zinc, arsenide, copper, cadmium, mercury, nickel from electroplating, chemical and copper pickling industries.

Some control measures of industrial pollution are:

1. Biomagnification of various toxic chemicals can be controlled by using small amounts of fertilisers and manure.

2. Sewage contains a large quantity of organic matter and chemicals. It should be treated in sewage treatment plant and then discharged in water bodies.

3. Industries should have tall chimneys with installed scrubbers which will reduce the effect of acid rain.