12. Решение задачки по химии №5

8. Aromatic hydrocarbons can be extracted from cracking or reforming products by extraction with sulfolane (tetramethylsulfolane). Determine the distribution coefficient for the system under consideration if after 4-stage extraction using an equal volume of extractant at each stage (Vэ = Vо), the aromatics content in the feedstock decreases from 3.14 to 2.64%.

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