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Recycle Waste 10 mol% DMF Feed Purification Unit

Recycle Waste 10 mol% DMF Feed Purification Unit

Introduction to Chemical Engineering Thermodynamics
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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Recycle Waste Feed Purification Unit 10 mol% DMF Pure DMF
Transcribed Image Text:Recycle Waste Feed Purification Unit 10 mol% DMF Pure DMF
A purification system with recycle is used to recover the solvent dimethyl formamide (DMF) from 24900 kgmol/h of a gas containing 52.3 mol% DMF in air. The purification unit removed two-thirds of the DMF in the combined feed to the unit. The off gas has only 10 mol% DMF in the waste stream. Calculate (a) the amounts of product and waste stream. (b) the amount of gas leaving the purification unit. (c) the amount of recycle stream. (d) the concentration of DMF in the combined feed to the purification unit.
Transcribed Image Text:A purification system with recycle is used to recover the solvent dimethyl formamide (DMF) from 24900 kgmol/h of a gas containing 52.3 mol% DMF in air. The purification unit removed two-thirds of the DMF in the combined feed to the unit. The off gas has only 10 mol% DMF in the waste stream. Calculate (a) the amounts of product and waste stream. (b) the amount of gas leaving the purification unit. (c) the amount of recycle stream. (d) the concentration of DMF in the combined feed to the purification unit.
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