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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
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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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.
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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