Given that 200 ton/h of commingled MSW with the composition shown in Table below are applied to a trommel screen for the removal of glass prior to shredding, determine the recovery of glass, purity of recovered glass and the overflow, and efficiency of the trommel screen.Weight of underflow = 20 ton/hWeight of glass in screen underflow = 16 tons/hThe MSW into the screen is defined as X0 + Y0, the overflow (reject) is denoted as X1 + Y1, the underflow is X2 + Y2. ComponentPercent by weight Organic Food wastes6.8 Paper36.5 Cardboard6.0 Plastics7.7 Textiles1.5 Rubber0.4 Leather0.4 Yard wastes17.9 Wood1.5 Misc. organics-Inorganic Glass9.0 Tin cans6.0 Aluminum0.4 Other metal3.7 Dirt, ash, etc.2.2Total100

Trommel Screens or rotary screens are the mechanical devices used for the separation of materials.…

Answered: Given that 200 ton/h of commingled MSW…

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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Given that 200 ton/h of commingled MSW with the composition shown in Table below are applied to a trommel screen for the removal of glass prior to shredding, determine the recovery of glass, purity of recovered glass and the overflow, and efficiency of the trommel screen.

Weight of underflow = 20 ton/h
Weight of glass in screen underflow = 16 tons/h

The MSW into the screen is defined as X₀ + Y₀, the overflow (reject) is denoted as X₁ + Y₁, the underflow is X₂ + Y₂.

Component	Percent by weight

Organic
Food wastes	6.8
Paper	36.5
Cardboard	6.0
Plastics	7.7
Textiles	1.5
Rubber	0.4
Leather	0.4
Yard wastes	17.9
Wood	1.5
Misc. organics	-
Inorganic
Glass	9.0
Tin cans	6.0
Aluminum	0.4
Other metal	3.7
Dirt, ash, etc.	2.2
Total	100

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