1. Solvent used in the Udex (glycol) extraction process for removal of light aromatics from cracked naphtha is





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MCQ->Solvent used in the Udex (glycol) extraction process for removal of light aromatics from cracked naphtha is....
MCQ->In a liquid-liquid extraction, 10 kg of a solution containing 2 kg of solute C and 8 kg of solvent A is brought into contact with 10 kg of solvent B. Solvent A and B are completely immiscible in each other whereas solute C is soluble in both the solvents. The extraction process attains equilibrium. The equilibrium relationship between the two phases is Y = 0.9X, where Y is the kg of C/kg of B and X is kg of C/kg of A. Choose the correct answer.....
MCQ->'Solvent naphtha' used mostly as a solvent in paints and perfumery is produced by the __________ of virgin naphtha into small boiling range cuts.....
MCQ->Compound A is extracted from a solution of A + B into a pure solvent S. A Co-current unit is used for the liquid-liquid extraction. The inlet rate of the solution containing A is 200 moles of B/hr.m2 and the solvent flow, rate is 400 moles of S/m2. hr. The equilibrium data is represented by Y = 3X2 , where Y is in moles of a A/moles of B and X is in moles A/moles of S. The maximum percentage extraction achieved in the unit is....
MCQ->Furfural solvent extraction is used for upgrading (by dissolving aromatics)....
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