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Aluminum salt is used for chemical precipitation of phosphate from industrial wastewater. The suspended solid (SS) concentration in wastewater is 0.25 g/l and the phosphorus concentration associated with the SS is 0.007 g/l as P. If the laboratory analysis of wastewater indicated that the alum dose of 1.5 moles Al/ 1 mole P would provide sufficient phosphorus removal, estimate the quantity of the resulted dry sludge that is generated and must be removed daily. The following data are available: Alum formula: Al2SO4.18H2O, Total phosphorus concentration 0.017 g/l as P, wastewater flowrate= 4000 m³/d. [A1+3+ PO4³ AIPO4] -

Aluminum salt is used for chemical precipitation of phosphate from industrial wastewater. The suspended solid (SS) concentration in wastewater is 0.25 g/l and the phosphorus concentration associated with the SS is 0.007 g/l as P. If the laboratory analysis of wastewater indicated that the alum dose of 1.5 moles Al/ 1 mole P would provide sufficient phosphorus removal, estimate the quantity of the resulted dry sludge that is generated and must be removed daily. The following data are available: Alum formula: Al2SO4.18H2O, Total phosphorus concentration 0.017 g/l as P, wastewater flowrate= 4000 m³/d. [A1+3+ PO4³ AIPO4] -

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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> Aluminum salt is used for chemical precipitation of phosphate from industrial wastewater. The suspended solid (SS) concentration in wastewater is 0.25 g/l and the phosphorus concentration associated with the SS is 0.007 g/l as P. If the laboratory analysis of wastewater indicated that the alum dose of 1.5 moles Al/ 1 mole P would provide sufficient phosphorus removal, estimate the quantity of the resulted dry sludge that is generated and must be removed daily. The following data are available: Alum formula: Al₂SO4.18H2O, Total phosphorus concentration= 0.017 g/l as P, wastewater flowrate = 4000 m³/d. [Al3+ PO4³ → AIPO4] Data you may need: Mwt of: P = 31, Al-27, O=16, H = 1, S = 32, Fe = 56, C1= 35.5, Ca=40
Transcribed Image Text:> Aluminum salt is used for chemical precipitation of phosphate from industrial wastewater. The suspended solid (SS) concentration in wastewater is 0.25 g/l and the phosphorus concentration associated with the SS is 0.007 g/l as P. If the laboratory analysis of wastewater indicated that the alum dose of 1.5 moles Al/ 1 mole P would provide sufficient phosphorus removal, estimate the quantity of the resulted dry sludge that is generated and must be removed daily. The following data are available: Alum formula: Al₂SO4.18H2O, Total phosphorus concentration= 0.017 g/l as P, wastewater flowrate = 4000 m³/d. [Al3+ PO4³ → AIPO4] Data you may need: Mwt of: P = 31, Al-27, O=16, H = 1, S = 32, Fe = 56, C1= 35.5, Ca=40
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