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Hydrogen sulfide is characterized by a rotten egg smell. This odorous gas can be removed from wastewater by stripping. Given H2S → H* + HS¯; K, = 0.86 x 107 What fraction of hydrogen sulfide is in the H2S form at pH 5.5? b. What fraction of hydrogen sulfide is in the H;S form at pH 8.5? c. You are given the choice to add either nitric acid or lime (calcium carbonate) to the neutral pH wastewater prior to stripping. Which would you choose to add and why? а.

Hydrogen sulfide is characterized by a rotten egg smell. This odorous gas can be removed from wastewater by stripping. Given H2S → H* + HS¯; K, = 0.86 x 107 What fraction of hydrogen sulfide is in the H2S form at pH 5.5? b. What fraction of hydrogen sulfide is in the H;S form at pH 8.5? c. You are given the choice to add either nitric acid or lime (calcium carbonate) to the neutral pH wastewater prior to stripping. Which would you choose to add and why? а.

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
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Hydrogen sulfide is characterized by a rotten egg smell. This odorous gas can be removed from wastewater by stripping. Given H2S → H+ + HS¯; K, a. What fraction of hydrogen sulfide is in the H2S form at pH 5.5? b. What fraction of hydrogen sulfide is in the H2S form at pH 8.5? You are given the choice to add either nitric acid or lime (calcium carbonate) to the neutral pH wastewater prior to stripping. Which would you choose to add and why? X C.
Transcribed Image Text:Hydrogen sulfide is characterized by a rotten egg smell. This odorous gas can be removed from wastewater by stripping. Given H2S → H+ + HS¯; K, a. What fraction of hydrogen sulfide is in the H2S form at pH 5.5? b. What fraction of hydrogen sulfide is in the H2S form at pH 8.5? You are given the choice to add either nitric acid or lime (calcium carbonate) to the neutral pH wastewater prior to stripping. Which would you choose to add and why? X C.
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