RO and DM Plant Operator

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RO and DM Plant Operator Interview Questions and Answers

Updated 10 Jun 2024

Q1. What is DM plant

Ans.

DM plant stands for Demineralization plant, which is used to remove minerals and salts from water through ion exchange process.

  • DM plant is used to produce demineralized water for various industrial processes.

  • It consists of ion exchange resin beds to remove minerals and salts from water.

  • The process involves cation exchange for removal of positively charged ions and anion exchange for removal of negatively charged ions.

  • DM plant is commonly used in power plants, pharmaceutical i...read more

Q2. Flow diagram of ro plant

Ans.

A flow diagram of an RO plant shows the process of water purification through reverse osmosis.

  • The feed water enters the RO plant and passes through a pre-treatment system to remove impurities.

  • The water is pressurized and forced through a semi-permeable membrane, separating clean water from contaminants.

  • The clean water is collected as product water, while the concentrated contaminants are discharged as reject water.

  • The product water may undergo post-treatment before being stor...read more

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