Ans. Breaking the waste down with the help of microorganisms and further using it as manure for agriculture.
- Burning the waste – This method helps discard the waste completely and produce new material from it.
- Harnessing the harmful gas- Here, industrial waste, which is in the form of harmful gas, is collected and used to generate fuel and electricity.
- Reclamation of waste- Industrial waste may have some sub-products in them, which can be recovered and used for other substances.
- Water Treatment – Small natural resources such as lakes, ponds, and rivers can be cleaned and made drinkable by performing a water treatment program.