SO2 concentration in the flue gas of a coal burning power station is 1,300 ppm. The molar flow rate of this flue gas is 695 kmoles/min. The flue gas temperature is 350 K. Limestone is used to scrub the flue gas to achieve 93% SO2 removal. The limestone is 90% CaCO3 and 10% inert. Assume that SO 2 is removed in the form of gypsum (CaSO4.2H2O) The sludge formed (consists of the produced gypsum and inert) can be dewatered to 55% solids. The SO 2 removing reaction is as bellow: 1 SO2 + O2 + CaCO3 + 2H2O = CαSO. 2H2O + CO₂ Calculate the dewatered sludge mass flow rate (ton/day)? Select one: a. 101.86 ton/day O b. 121.86 ton/day O c. 131.86 ton/day O d. 111.86 ton/day Clear my choice
SO2 concentration in the flue gas of a coal burning power station is 1,300 ppm. The molar flow rate of this flue gas is 695 kmoles/min. The flue gas temperature is 350 K. Limestone is used to scrub the flue gas to achieve 93% SO2 removal. The limestone is 90% CaCO3 and 10% inert. Assume that SO 2 is removed in the form of gypsum (CaSO4.2H2O) The sludge formed (consists of the produced gypsum and inert) can be dewatered to 55% solids. The SO 2 removing reaction is as bellow: 1 SO2 + O2 + CaCO3 + 2H2O = CαSO. 2H2O + CO₂ Calculate the dewatered sludge mass flow rate (ton/day)? Select one: a. 101.86 ton/day O b. 121.86 ton/day O c. 131.86 ton/day O d. 111.86 ton/day Clear my choice
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:Treatment Q2.2
SO₂ concentration in the flue gas of a coal burning power station is 1,300 ppm. The molar flow rate of this flue gas
695 kmoles/min. The flue gas temperature is 350 K. Limestone is used to scrub the flue gas to achieve 93% SO₂
removal. The limestone is 90% CaCO3 and 10% inert. Assume that SO2 is removed in the form of gypsum (CaSO4.2H₂O).
The sludge formed (consists of the produced gypsum and inert) can be dewatered to 55% solids. The SO₂ removing
reaction is as bellow:
1
SO₂ +20₂ +CaCO3 + 2H₂O = CaSO4. 2H₂O + CO₂
Calculate the dewatered sludge mass flow rate (ton/day)?
Select one:
a. 101.86 ton/day
b. 121.86 ton/day
C. 131.86 ton/day
d. 111.86 ton/day
Clear my choice
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