4. A stock alum chemical has 10.21 percent as Al,O3 with specific gravity of 1.29. (1) Calculate the alum concentration if reported as g/L Al2(SO4)3'12H2O. (2) For 25 mg/L alum dose applied to a treatment plant with a capacity of 0.45 m³/s, calculate the chemical feed rate in L/min.

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
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4.
A stock alum chemical has 10.21 percent as Al,O; with specific gravity of 1.29.
(1) Calculate the alum concentration if reported as g/L Al,(SO4);'12H,O. (2) For 25
mg/L alum dose applied to a treatment plant with a capacity of 0.45 m³/s, calculate the
chemical feed rate in L/min.
Transcribed Image Text:4. A stock alum chemical has 10.21 percent as Al,O; with specific gravity of 1.29. (1) Calculate the alum concentration if reported as g/L Al,(SO4);'12H,O. (2) For 25 mg/L alum dose applied to a treatment plant with a capacity of 0.45 m³/s, calculate the chemical feed rate in L/min.
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