Question

Which of the following is/are the desalting methods in the petroleum industry?

(a) Washing and settling

(b) Addition of chemicals such as sulfonates

(c) Centrifuging and filtering, washing and settling, the addition of chemicals such as sulfonates

(d) Centrifuging and filtering

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Answer 1

Right answer is (c) Centrifuging and filtering, washing and settling, the addition of chemicals such as sulfonates

Easiest explanation: Desalting methods in the petroleum industry are:

i. Washing and settling

ii. Addition of chemicals such as sulfonates

iii. Centrifuging and filtering.