As shown in the picture above, the preparation of an alloy for casting is done by feeding controlled amounts of raw materials to a charge hopper until it has the correct quantity for the melting furnace. Here, 3889 kg/h of commercially pure zinc (xZn,1 = 0.99 and the rest copper) and 13068 kg/h of commercially pure copper (xCu,2 = 0.99 and the rest zinc) are mixed with an unknown amount of scrap brass (an alloy of zinc and copper) containing 70% copper (xcu,3 = 0.7) in a charge hopper to produce m4 = 27000 kg/h of mixed scrap with an unknown composition. Calculate the mass of scrap brass in stream 3 (m3) in kg/h to 0 decimal place.
As shown in the picture above, the preparation of an alloy for casting is done by feeding controlled amounts of raw materials to a charge hopper until it has the correct quantity for the melting furnace. Here, 3889 kg/h of commercially pure zinc (xZn,1 = 0.99 and the rest copper) and 13068 kg/h of commercially pure copper (xCu,2 = 0.99 and the rest zinc) are mixed with an unknown amount of scrap brass (an alloy of zinc and copper) containing 70% copper (xcu,3 = 0.7) in a charge hopper to produce m4 = 27000 kg/h of mixed scrap with an unknown composition. Calculate the mass of scrap brass in stream 3 (m3) in kg/h to 0 decimal place.
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:Stream 1: Zinc
ຕ່າ
XZn,1 = 0.99
Stream 4:
Mixed scrap
Stream 2: Copper
Charge hopper
m₂
Xcu,2 = 0.99
m4
XCU,4 = ?
Stream 3: Scrap Brass
m3 = ?
XCu.3 = 0.7
As shown in the picture above, the preparation of an alloy for casting is done by feeding controlled amounts of raw materials to a charge hopper until it has the correct quantity for the melting furnace. Here, 3889 kg/h of commercially pure zinc
(XZn,1 = 0.99 and the rest copper) and 13068 kg/h of commercially pure copper (xCu,2 = 0.99 and the rest zinc) are mixed with an unknown amount of scrap brass (an alloy of zinc and copper) containing 70% copper (xCu,3 = 0.7) in a charge
hopper to produce m4 = 27000 kg/h of mixed scrap with an unknown composition.
Calculate the mass of scrap brass in stream 3 (m3) in kg/h to 0 decimal place.
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