18. A continuous thickener is required to concentrate a slurry of calcium carbonate in water from a solids content of 50 kg/m³ to 130 kg/m³, and to produce a clear overflow containing no calcium carbonate. The density of the dry calcium carbonate is 2300 kg/m³. A single batch sedimentation test produced the experimental result below: Time, hr 0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0 2, m 1.1 0.98 0.82 0.68 0.54 0.42 0.35 0.31 0.28 0.27 0.27 If the thickener is fed with slurry at a rate of 0.06 m³/s, the minimum thickener area in square meter that is required is a. 1005 b. 505 c. 1505 d. none of these
18. A continuous thickener is required to concentrate a slurry of calcium carbonate in water from a solids content of 50 kg/m³ to 130 kg/m³, and to produce a clear overflow containing no calcium carbonate. The density of the dry calcium carbonate is 2300 kg/m³. A single batch sedimentation test produced the experimental result below: Time, hr 0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0 2, m 1.1 0.98 0.82 0.68 0.54 0.42 0.35 0.31 0.28 0.27 0.27 If the thickener is fed with slurry at a rate of 0.06 m³/s, the minimum thickener area in square meter that is required is a. 1005 b. 505 c. 1505 d. none of these
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
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Transcribed Image Text:18. A continuous thickener is required to concentrate a slurry of calcium carbonate in
water from a solids content of 50 kg/m³ to 130 kg/m³, and to produce a clear overflow
containing no calcium carbonate. The density of the dry calcium carbonate is 2300
kg/m³. A single batch sedimentation test produced the experimental result below:
Time, hr 0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0
Z, m 1.1 0.98 0.82 0.68 0.54 0.42 0.35 0.31 0.28 0.27 0.27
If the thickener is fed with slurry at a rate of 0.06 m³/s, the minimum thickener area in
square meter that is required is
a. 1005
b. 505
c. 1505
d. none of these
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