In a groundwater (flow rate = 3 m3/s) contaminated by AsO43- (concentration = 50 mg/L), if the concentration of AsO43- must be lowered to 2 mg/L after remediation by precipitation with Fe (III), at what mass rate should Fe (III) be added to achieve this goal?AsO43- + Fe3+ = Fe(AsO4) (s)

Precipitation is any product of the condensation of atmospheric water vapor that falls under…

Answered: In a groundwater (flow rate = 3 m3/s)…

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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In a groundwater (flow rate = 3 m³/s) contaminated by AsO₄^3- (concentration = 50 mg/L), if the concentration of AsO₄^3- must be lowered to 2 mg/L after remediation by precipitation with Fe (III), at what mass rate should Fe (III) be added to achieve this goal?

AsO₄^3-+ Fe^{3+ =}Fe(AsO₄) (s)

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