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GATE 2022 ES – Question 49

Solid and Hazardous Waste Management · Municipal Solid Waste Management · 2 marks · Multiple select

Under India’s Solid Waste Management Rules2016, select correct statements.

  1. Prefer decentralized biological processing of biodegradable waste near generation
  2. Prefer centralized biological processing away from generation
  3. Wrap used sanitary pads/napkins and put them in domestic-hazardous containers
  4. Non-biodegradable waste above 1500 kcal/kg should go to energy recovery or RDF

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Correct answer: (A) Prefer decentralized biological processing of biodegradable waste near generation; (D) Non-biodegradable waste above 1500 kcal/kg should go to energy recovery or RDF

Explanation

The source provisions favour decentralized biological processing and energy recovery for high-calorific nonrecyclable fractions, giving **A, D**. Sanitary waste is securely wrapped and placed with the specified dry/non-biodegradable waste stream, not automatically in the domestic-hazardous container. B reverses the preferred decentralized approach.

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