Question

Write short note on-

Industrial waste

Answer 1

• Industrial waste is the waste produced by industrial processes or activities. 
• There is a huge variety of industries producing different types of materials and articles. All of these use raw materials and give out a lot of waste. 
• There are hundreds of mines which extract copper, silver, gold, iron, coal etc. Huge quantities of waste are produced while processing them. 
• Cement industries give out solid, liquid and gaseous wastes. 
• While refining crude oil, a lot of poisonous gaseous and liquid wastes are produced. 
• Construction units produce huge quantities of waste stones, pebbles, broken bricks, wood waste etc. Mostly they are dumped in landfills. 
• It also includes chemicals, pigments, sludge, ash, metal, etc. given out from mining, textile, construction, chemical industries.