In a salt recovery plant, rock salt is being leached to produce industrial salt in a continuous countercurrent system consisting of two (2) ideal stages using water as leaching medium. The average composition of the rock salt is: inerts = 70%, soluble salts = 25%, moisture = 5%, all percentage by weight. The underflow from each stage contains 0.3 kg solution per kg of inerts. The plant leaches 50 MT of rock salt per day using 50 MT of water. a) The quantity of soluble salts recovered in MT/day is: (i) 12.1 (ii) 13.1 (iii) 14 (iv) 11.2 b) The composition of salt in weight percent in the final underflow is (i) 0.89% 0.68% (ii) 0.98% (iii) 0.78% (iv)
In a salt recovery plant, rock salt is being leached to produce industrial salt in a continuous countercurrent system consisting of two (2) ideal stages using water as leaching medium. The average composition of the rock salt is: inerts = 70%, soluble salts = 25%, moisture = 5%, all percentage by weight. The underflow from each stage contains 0.3 kg solution per kg of inerts. The plant leaches 50 MT of rock salt per day using 50 MT of water. a) The quantity of soluble salts recovered in MT/day is: (i) 12.1 (ii) 13.1 (iii) 14 (iv) 11.2 b) The composition of salt in weight percent in the final underflow is (i) 0.89% 0.68% (ii) 0.98% (iii) 0.78% (iv)
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:In a salt recovery plant, rock salt is being leached
to produce industrial salt in a continuous
countercurrent system consisting of two (2) ideal
stages using water as leaching medium. The
average composition of the rock salt is: inerts =
70%, soluble salts = 25%, moisture = 5%, all
percentage by weight. The underflow from each
stage contains 0.3 kg solution per kg of inerts.
The plant leaches 50 MT of rock salt per day
using 50 MT of water.
a) The quantity of soluble salts recovered in
MT/day is:
(i) 12.1
(ii) 13.1
(iii) 14
(iv) 11.2
b) The composition of salt in weight percent in the
final underflow is
(i) 0.89%
(ii) 0.98%
(iii) 0.78%
(iv)
0.68%
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