Nitrogen is discharged from wastewater treatment facilities into rivers and streams, usually as NH, and NH,*: NH,(aq) + H,O(I) NH," (aq) + OH (aq) K = 1.76X10 One strategy for removing it is to raise the pH and "strip" the NH, from solution by bubbling air through the water. (a) At pH 7.00, what fraction of the total nitrogen in solu- tion is NH3, defined as [NH3]/([NH;] + [NH,*])? (b) What is the fraction at pH 10.00? (c) Explain the basis of ammonia stripping.
Nitrogen is discharged from wastewater treatment facilities into rivers and streams, usually as NH, and NH,*: NH,(aq) + H,O(I) NH," (aq) + OH (aq) K = 1.76X10 One strategy for removing it is to raise the pH and "strip" the NH, from solution by bubbling air through the water. (a) At pH 7.00, what fraction of the total nitrogen in solu- tion is NH3, defined as [NH3]/([NH;] + [NH,*])? (b) What is the fraction at pH 10.00? (c) Explain the basis of ammonia stripping.
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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snip
![Nitrogen is discharged from wastewater treatment facilities
into rivers and streams, usually as NH, and NH,*:
NH,(aq) + H,O(I) NH," (aq) + OH (aq) K = 1.76X10
One strategy for removing it is to raise the pH and "strip"
the NH, from solution by bubbling air through the water.
(a) At pH 7.00, what fraction of the total nitrogen in solu-
tion is NH3, defined as [NH3]/([NH;] + [NH,*])? (b) What
is the fraction at pH 10.00? (c) Explain the basis of ammonia
stripping.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fdec4f67e-e2cf-4a75-bafa-14f642e1bd27%2F3799eeac-2a25-46ac-a441-d155e1795ebb%2Fsmswcq_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Nitrogen is discharged from wastewater treatment facilities
into rivers and streams, usually as NH, and NH,*:
NH,(aq) + H,O(I) NH," (aq) + OH (aq) K = 1.76X10
One strategy for removing it is to raise the pH and "strip"
the NH, from solution by bubbling air through the water.
(a) At pH 7.00, what fraction of the total nitrogen in solu-
tion is NH3, defined as [NH3]/([NH;] + [NH,*])? (b) What
is the fraction at pH 10.00? (c) Explain the basis of ammonia
stripping.
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