1.- During the recovery of phenolic compounds from nixtamalization wastewater (NWs) using an UF membrane (100kDa, area 420 cm^2), the membrane was able to filtrate 1000g of wastewater at 280 sec (at 25ºC). Initially, the concentration of the phenolics in the feed was about 970 mg/L while at the end of the process the retentate presented around 20 ppm. Calculate: a) Calculate the rejection index and percentage towards phenolic compounds b) The productivity of the membrane for such process in kg/m^2h
1.- During the recovery of phenolic compounds from nixtamalization wastewater (NWs) using an UF membrane (100kDa, area 420 cm^2), the membrane was able to filtrate 1000g of wastewater at 280 sec (at 25ºC). Initially, the concentration of the phenolics in the feed was about 970 mg/L while at the end of the process the retentate presented around 20 ppm. Calculate: a) Calculate the rejection index and percentage towards phenolic compounds b) The productivity of the membrane for such process in kg/m^2h
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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1.- During the recovery of phenolic compounds from nixtamalization wastewater (NWs) using an UF membrane (100kDa, area 420 cm^2), the membrane was able to filtrate 1000g of wastewater at 280 sec (at 25ºC). Initially, the concentration of the phenolics in the feed was about 970 mg/L while at the end of the process the retentate presented around 20 ppm. Calculate:
a) Calculate the rejection index and percentage towards phenolic compounds
b) The productivity of the membrane for such process in kg/m^2h
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