Discuss the step to be taken to minimise environmental degradation by industry???........jisko pata hai wahi answer do ............nhi toh........XD
Answers
Answer -
minimizing water pollution :
1: Minimizing use water for processing by reusing and recycling in two or more successive stages .
2: Harvesting of rainwater to meet water requirement .
3: Treating hot water and effluents before releasing them in rivers and ponds .
4: Treatment of effluents done in three phases -:
a)- Primary treatment by machenical means . This involved screening , grinding and sedimentation .
b)- Secondary treatment by biological processes.
c)- teretiatry treatment by physical and chemical processes . This involve recycling of wastewater .
5: Overdrawing of groundwater reserves by industry by where there is threat of ground water resources also needs to be regulated legally.
Minimizing air pollution:
1: Particulate matter in the air can be reduced by fitting smoke stacks to factories with electrostatic precipitators .
2: Smoke can be reduced by using oil or gas instead of coal in factories.
Minimizing noise pollution:
1: Machinery and equipments can be used and generators should be fitted with silencers.
2: Noise absorbing material may be used apart from personal use of earplugs and earphones.
its the answer.....