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Civil and Environmental EngineeringCE 421 Wastewater Treatment and DesignFall 2002

GARDEN CITY WASTEWATER TREATMENT PLANT DESIGN PROJECT 

Garden City is situated near Rose Creek, as seen on the attached map. You areplanning to design a new wastewater treatment plant for Garden City. The first step inthis process is to project future population over the expected useful life of the plant. orthis purpose, you are to estimate the population for Garden City for the year !"#". Youhave the following $% census data availa&le'

 Year Population

()*" #!,)!+

()" #*,---

()-" #),")-

()+" ,!"

()" -+,-+

())" +),--!

 a. /repare the appropriate graphs for calculating each of the following * models for thepopulation for Garden City'

0inear model

1xponential model

2ecreasing Rate of 3ncrease 4odel 5assume ("",""" as a maximum

population for Garden City6

2ecreasing Rate of 3ncrease 4odel 5assume !"",""" as a maximum

population for Garden City6 

&. %how the cali&rated model e7uation for each of these * models.

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c. %how the predicted population &ased on all * of these models on the samegraph. The x8axis should cover the time period from ()*" to !"*". 9lso on thisgraph show the known Garden City population from the a&ove - census years.

d. /resent a ta&le showing the four projections 5from the * models6 for Garden

City:s population in the year !"#".

e. 2iscuss which prediction you think is the most relia&le, and why.

The following new industries have also &een projected for moving into Garden City'

Industry verage Flowrate!"D

/et ood ".

/otato /rocessing (."

Cheese ".+

The wastewater treatment plant will discharge into Rose Creek, which flows into the2elaware River. The ;<21/ has set the following permit limits'

P#!ETE# $E#"I%"PE#I&D

EFF'(E%T'I!ITTI&%)

low 54G26 4onthly 9verage

2aily 4ax

4onitor and Report

=>2 mg?0

C=>2 mg?0

4onthly 9verage

@eekly 9verage

4onthly 9verage

@eekly 9verage

#" mg?0

#" mg?0

!" mg?0

!" mg?0

Total %uspended %olids mg?0 4onthly 9verage

@eekly 9verage

#" mg?0

* mg?0

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pA 4inimum

4aximum

-."

)."

 9mmonia 5Total as ;6 mg?0 4onthly 9verage

2aily 4ax

". mg?0

". mg?0

Temperature 4onthly 9verage

4inimum

4aximum

4onitor and Report

Chlorine /roduced >xidants mg?0 2aily 4ax "."+* mg?0

Plant C*ara+teristi+s,

%econdary Treatment /lant with 9ctivated %ludge /rocess

=eneficial Reuse of %ludgeB %ludge produced Class 9 =iosolids

=eneficial Reuse of @astewater D Garden City Golf Course 5!" acres6

Plant design,

/lant design indicates a full thorough design of all unit operation processes 5physical,chemical or &iological6 with pro-essional drawings indicating dimensions and relevantdesign information such as flow rate, hydraulic and =>2?%% loading, detention times,sludge production in l&s?day, aeration re7uirements, efficiency etc. /rimary treatmentshould indicate what technology would &e used for grit removal 5screening,comminution, aerated grit cham&er etc.6 with design calculations and drawings or relevant vendor pictures. Chemical processes should indicate names of chemicals andthe chemical re7uirement in l&s?day for the process.

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#e+ommended #e-eren+es,

4etcalf and 1ddy, 3nc., Wastewater Engineering: Treatment, Disposal, and Reuse , #rd1d., 4cGraw8Aill =ook Co., 3nc., =oston, 49, ())(, !""!

Crites, Ron and George Tcho&anoglous, Small and Decentralized WastewaterManagement Systems, 4cGraw8Aill =ook Co., 3nc., =oston, 49, ()).

Easim, %yed, Wastewater Treatment Plants: Planning, Design, and Operation, A@R/u&lishers, ().

@arren Fiessman, <r. and 4ark Aammer, Water Supply and Pollution Control , -th 1d.,Aarper and Row /u&lishers, ()).

Ray, =.T., 1nvironmental 1ngineering. /@% /u&lishing Co., ()).

 9/A9, 9@@9, @/C, %tandard 4ethods for the 1xamination of @ater and@astewater, 9/A9, ()) or later.

%awyer, 4cCarty /arkin, Chemistry for 1nvironmental 1ngineering, 4cGraw Aill,())*.

 9@@9, @ater Euality and Treatment, 9mer. @at. @rks. 9ssn., ())"

$nit >perations and /rocesses in 1nvironmental 1ngineering, !nd 1dition, Tom 2.

Reynolds and /aul 9. Richards, /@% /u&lishing Co., ())-.

1nvironmental 1ngineering' 9 2esign 9pproach, 9rcadio /. %incero. %r.and Gregoria 9.%incero, /rentice8Aall, ())-.

Ten %tate %tandards for @astewater acilities

3ndustrial water pollution control ? @. @esley 1ckenfelder, <r.,4cGraw8Aill, ;Y, ())).

Fesilind, /. 9., Treatment and Disposal o Wastewater Sludges, Revised 1d., 9nn 9r&or%cience, ()+).

(se-ul We.sites -or $irtual Tours

http'??yorkcity.org?cityservices?wwtp?

http'??www.cityofws.org?ellege?index.htm

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http'??www.state.sd.us?denr?21%?surfacewater?virtual.htm

http'??www.n&if.org?education?env8engr?wstwtrHtour?wwtour.html

http'??www.statwe&.org?pond?fieldtrips#.html

http'??www.ci.7uincy.il.us?sanhome?sewer.html

http'??www.lacsd.org?waswater?wrp?sjc.htm

%ew /ersey We.sites

@ater 1nvironment 9ssociation http'??www.njwea.org?

/assaic Falley %ewerage 9uthority http'??www.pvsc.com?

Camden County 4$9 http'??www.ccmua.org

Cape 4ay County 4$9 http'??www.acmua.orcom?

)o-tware

 9ctivated %ludge %imulation http'??attila.stevens8tech.edu?Idvaccari?esim.html

http'??www.ce.siue.edu?C3F30?default.htm

 9irstripper 2esign http'??www.ce.cmu.edu?IdJom&ak?asdc(.html

=iofilm 4odel http'??www.ce.utexas.edu?prof?speitel?&iofilm?&iofilm.html

Trickling ilter http'??www.engr.psu.edu?ce?enve?tf.htm

<ava &ased 9ctivated %ludge %imulator http'??www.syscon.uu.se?Ipsa?

Chemical 1ngineering undamentals 3n =iological %ystems *ttp,wwwenginumi+*edula.smelioioFlyer*tml

'e+ture )lides and %otes

*ttp,www3e+nitedu5*sie*ene667*tml

*ttp,+ivilengrsiuedu418

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*ttp,wwwe+sumassedu+eere+9*ow+ourses:;0

$irtual la. *ttp,+ivilengrsiueduns-la.

&riginal E<uipment !anu-a+turers

*ttp,wwwus-ilterenvire=+om

#E"('T&#Y

Wastewater Engineering Design "uidan+e> Fa+t )*eets> and Te+*ni+al #eviewand pproval ?!innesota Water Pollution Control gen+y@

This site has useful information for design.http'??www.pca.state.mn.us?water?wastewater8engineering.html

%ew /ersey

%urface @ater 2ischarges http'??www.state.nj.us?dep?dw7?sw.htm

=iosolids http'??www.state.nj.us?dep?dw7?sludge.htm

2ata&ase for all ;< @@T/ with surface dischargehttp'??www.state.nj.us?dep?dw7?data&ase.htm

EP iosolids

http'??www.epa.gov?owm?&io.htm

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