Multiple choice

Which method is used to remove water from crude oil?

  1. Cotrell process

  2. Bergius process

  3. Newton's process

  4. Berthelot process
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A Correct answer
Explanation

The Cotrell process uses electrical precipitation to remove water and suspended solids from crude oil. Bergius process is for coal liquefaction, while Newton's process and Berthelot process are not relevant to crude oil dehydration. The Cotrell precipitator charges water droplets which are then attracted to opposite electrodes.

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