A solvent distilling and recycling facility, which primarily recycles TCE, is under the investigation for the release of toxic air emissions. As the hazardous waste manager at the site, your goal is to account for the solvents coming in and out of the facility using a waste audit based on mass balance. The wastes coming into the facility over a one-year time period include: Invoice Number Volume (Liters) TCE Concentration (mg/L) 204 10,000,000 5,000,000 130 205 210 206 5,000,000 200 These aqueous solutions were distilled to concentrate the TCE. The concentrated product was then shipped (over the same one-year time period) from the facility in tanker trucks as 90% formulations (900 g/L) (the other 10% were various impurities): Shipping No. 1021 TCE Concentration (g/L) Volume (Liters) 2,200 900 1022 1,400 900 The state regulatory agency allows 200 kg/year TCE to be emitted into the air from your facility. Using a materials balance, show that the plant is meeting this regulatory criterion.
A solvent distilling and recycling facility, which primarily recycles TCE, is under the investigation for the release of toxic air emissions. As the hazardous waste manager at the site, your goal is to account for the solvents coming in and out of the facility using a waste audit based on mass balance. The wastes coming into the facility over a one-year time period include: Invoice Number Volume (Liters) TCE Concentration (mg/L) 204 10,000,000 5,000,000 130 205 210 206 5,000,000 200 These aqueous solutions were distilled to concentrate the TCE. The concentrated product was then shipped (over the same one-year time period) from the facility in tanker trucks as 90% formulations (900 g/L) (the other 10% were various impurities): Shipping No. 1021 TCE Concentration (g/L) Volume (Liters) 2,200 900 1022 1,400 900 The state regulatory agency allows 200 kg/year TCE to be emitted into the air from your facility. Using a materials balance, show that the plant is meeting this regulatory criterion.
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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Transcribed Image Text:A solvent distilling and recycling facility, which primarily recycles TCE, is under the
investigation for the release of toxic air emissions. As the hazardous waste manager at
the site, your goal is to account for the solvents coming in and out of the facility using a
waste audit based on mass balance. The wastes coming into the facility over a one-year
time period include:
Invoice Number
Volume (Liters)
TCE Concentration (mg/L)
204
130
10,000,000
5,000,000
205
210
206
5,000,000
200
These aqueous solutions were distilled to concentrate the TCE. The concentrated product was
then shipped (over the same one-year time period) from the facility in tanker trucks as 90%
formulations (900 g/L) (the other 10% were various impurities):
Volume (Liters)
2,200
1,400
Shipping No.
TCE Concentration (g/L)
1021
900
1022
900
The state regulatory agency allows 200 kg/year TCE to be emitted into the air from your facility.
Using a materials balance, show that the plant is meeting this regulatory criterion.
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