Solutions Manual to accompany Water and Wastewater Technology Sixth Edition Mark J. Hammer Mark J. Hammer, Jr. Upper Saddle River, New Jersey Columbus, Ohio
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Solutions Manual
to accompany
Water and Wastewater Technology
Six th Edi t ion
Mark J. Hammer Mark J. Hammer, Jr.
Upper Saddle River, New Jersey Columbus, Ohio
This solutions manual has been prepared by the authors for classroom use by instructors teaching from Water and Wastewater Technology, Sixth Edition. Textbook problems are an effective method of measuring students’ understanding performance; therefore, the safekeeping of solutions is important to all instructors. Under no circumstance should any solution in this manual be reproduced or distributed or otherwise released in any form for student use. Obviously, solutions must be presented in a classroom by writing calculations on the classroom board or by projecting calculations using a projector. Your cooperation in maintaining the integrity of the homework solutions is appreciated. Page iii is intended as a reference and as a teaching aid to the overall treatment process. Some information is best distributed in an electronic format. We have created the following e-mail address to distribute additional information and allow you to ask questions or make comments. The address is: [email protected] __________________________________________________________________________________ Copyr ight © 2008 by Pearson Educat ion, Inc., Upper Saddle River, New Jersey 07458. Pearson Prentice Hall. All rights reserved. Printed in the United States of America. This publication is protected by Copyright and permission should be obtained from the publisher prior to any prohibited reproduction, storage in a retrieval system, or transmission in any form or by any means, electronic, mechanical, photocopying, recording, or likewise. For information regarding permission(s), write to: Rights and Permissions Department. Pearson Prent ice Hal l™ is a trademark of Pearson Education, Inc. Pearson® is a registered trademark of Pearson plc Prent ice Hal l® is a registered trademark of Pearson Education, Inc.
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ISBN-13: 978-0-13-174543-8 ISBN-10: 0-13-174543-3
Sixth Edition
Water Treatment
Water
Distribution
Sewage
Collection
Primarysettling
Gritchamber
Biologicaltreatment
Pumpingstation
Finalsettling
Secondary Treatment Preliminary and PrimaryTreatment
Return activated sludge
or recycle flow
Primary and Secondary Wastewater Treatment
Advanced Wastewater Treatment
SludgeRecirculation of NO , =3 Q QS
AnoxicZone
NO N3 2 Effluent
Mechanically mixedanoxic chambers
Air mixedaerobic chambers
Aerobic Zone
NH NO
P Cell Mass3 3
FinalSettling
NO N3 2
N03
PrimaryEffluent
SettlingtankFlocculation
Rapidmix
FilterSecondary
effluent
CoagulantAuxiliary chemicals
Chlorine Chlorine
Tertiaryeffluent
Rapidmix
Chlorinationbasin
Mechanically mixedanaerobic chambers
Return Activated Sludge, = 0.3Q QR
N
gas2 N
gas2 N
gas2
AnaerobicZone
Organic P P
Recycled Water
Mark J. Hammer Mark J. Hammer, Jr.
Water Reclamation
Chlorine
Secondaryeffluent
UltravioletDisinfection
Breaktank
Cartridgefilters
ReverseOsmosis
Units
Packed-towerdecarbonator
High-pressurepumps
Sulfuric acidThreshold inhibitor
Cartridgefilters
MicroFilters
Compressed air
Injectionwell
Irrigation
SettlingtankFlocculation
Rapidmix
FilterRaw water
supply
CoagulantAuxiliary chemicals
Chlorine
Potablewater
Rapidmix Chlorination
basin
Lake
River
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