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PTPO Notes Unit 3-4: Oilseed Milling and Value Addition
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PTPO Notes Unit 3-4: Oilseed Milling and Value Addition

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Questions and Answers

What is the primary purpose of solvent extraction?

  • To reduce the boiling point of solvent
  • To separate a liquid from a liquid-solid system (correct)
  • To extract oil from oil seeds
  • To improve the quality of oil cake

    • What is the most commonly used solvent in Indian solvent extraction plants?

  • Methane
  • Ethane
  • Propane
  • N-Hexane (correct)

    • What is the benefit of solvent extraction over traditional methods?

  • It gives a higher recovery of oil and a dryer cake (correct)
  • It reduces the quality of oil
  • It is a slower process
  • It increases the quantity of oil

    • What is the boiling point of N-Hexane?

    <p>65.5°C</p> Signup and view all the answers

    What is the purpose of the screw steamer in solvent extraction?

    <p>To extract the oil from the solvent-oil mixture</p> Signup and view all the answers

    What is the annual installed capacity of solvent extraction plants in India?

    <p>15.6 million tons of oil cake</p> Signup and view all the answers

    What has been the trend in the number of solvent extraction plants in India?

    <p>It has increased from 169 to 395</p> Signup and view all the answers

    What is the purpose of adding solvent to the oil seeds in solvent extraction?

    <p>To facilitate the diffusion process</p> Signup and view all the answers

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