DESIGN OF SEWAGE TREATMENT PLANT

International Research Journal of Engineering and Technology (IRJET) e ISSN:2395 0056

Volume: 09 Issue: 05 | May 2022 www.irjet.net p ISSN:2395 0072

DESIGN OF SEWAGE TREATMENT PLANT

1,2,3,4 UGStudent,CivilEngineeringDepartment,AlardCollegeOfEngineeringAnd Management,SavitribaiPhulePuneUniversity,Pune,India 5AssistantProfessor,DepartmentOfCivil Engineering,AlardCollegeOfEngineeringAnd Mangement,SavitribaiPhulePuneUniversity,Pune ***

ABSTRACT: - Sewage treatment is an interaction used to

eliminate impurities from wastewater or sewage and convert it into a profluent that can be gotten back to the water cycle with OK effect on the climate, or reused for different purposes (called water recovery). The treatment cycle happens in a Sewage Treatment Plant (STP) on account of homegrown wastewater. Contaminations in wastewater are taken out, changed over or separated during the treatment cycle. The primary goal of this task is completed to plan of sewage treatment plant for an understudies, since it has a creating place because of consistent expanding populace, which in an outcomes overabundance of sewage is delivered. To stay away from this issue, to build the sewage treatment plant. This task center around sewage age in pune city thinking about the number of inhabitants in next 30 years. We are trying to designsewagetreatmentplantinpunevedshreetapovan.

screening to trap strong articles and sedimentation by gravity to eliminate suspended solids Essential treatment is the principal phase of sewage treatment. The optional treatment eliminates the broke down natural matter that gets away from essential treatment. Optional treatment is ordinarily performed by native, water borne miniature organic entities in an over saw living space. It requires a partition interaction to eliminate the miniature life forms from the treated water preceding release or tertiary treatment.

METHODOLOGY:

1. SCREEN CHAMBER: Size of screen chamber 0.70x0.90used to get rid of more prominent particles of driftingandsuspendedmatterbycoarsescreening.

2.EQUALIZATIONTANK: Size of equalization tank 2.40x3.00 ,free board 0.80 To accumulate the oncoming rough sewage that comes at commonly fluctuating rates, and give it to the rest of the STP at a steady (typical) streamrate

INTRODUCTION: -

Water assumes a significant part in the advancement of any movement on the planet. Because of the development of populace, utilization of water assets is more and accessibilityisless.Sotheinterest forwateris expanding. Sewagetreatmentisthemostcommon wayofeliminating pollutants from squander water, principally from family sewage.Physical,substanceandorganiccyclesareutilized to eliminate pollutants and produce treated wastewater thatismoresecurefortheclimate.Aside effectofsewage treatment is typically semi strong waste or slurry called sewage muck. Sewage can be dealt with near where the sewageismade,whichmightbeknownasadecentralized framework.Thetreatmentinteractionhasaprogressionof treating units which are sorted under essential treatment, optional treatment and tertiary treatment. It incorporates

3. SLUDGE HOLDING TANK: Size of slime holding tank 1.00x2.70 free board 0.30 give storing of bio solids and can go about as an area for thickening before extra takingcareoforexpulsion

4. AERATION TANK: Size of air dissemination tank 1.20x2.70freeboardgivesoxygentoorganismstotreating andoffsettingthewastewater.

5. SETTLING TANK: - Sizeofsettlingtank1.00x2.50free board In an ideal rectangular sedimentation tank, in the settling zone, the fundamental atom enters at the most elevated place of the settling zone, and the settle speed wouldbethehumblestworthtoshowupattheslopzone, and around the completion of outlet zone, the speed a pieceofthisessentialparticlearethesettlingspeed

International Research Journal of Engineering and Technology (IRJET) e ISSN:2395 0056

Volume: 09 Issue: 05 | May 2022 www.irjet.net p ISSN:2395 0072

6.CLEAR WATER TANK: Size 1.00x2.30 free board 0.70Aftertreatedwaterthewatersetasideinclearwater tank.forextracourseofappointmentofwater[1]

TEST CONDUCTED

PH

1. Take sewage water and clean the terminal with refined wateranddryitusingtissuepaper.

2. Dip the solidified anode in the help course of action of phregard4

3. Clean the terminal with the refined water and dry it usingtissuepaper.

4.Dipthemergeterminalinsupportcourseofactionofph regard9.2.

Result : 1 Dec 2021 7.62, 3 Dec 2021 7.90, 5 Dec 2021 7.89,7Dec2021 7.68,9Dec2021 7.52,11Dec2021 7.72

BOD

1. Take 200 ml of test in 2 BOD bottles and debilitate it withrefinedwaterbygarnishthewaterofftobottleneck

2.Add1mlofmanganesesulfate(MnSO4)replyforbottle testA.

3. Add 1 ml of salt iodide azide game plan ton test A holder.

4.MixtheplanbyshakingBODbottleupsidedownfor25 30 minutes and allow the hurry ton settle down at the base.

5. Add 1 2 ml of concentrated H2SO4 carefully without formingairbubbles.

6. Mix the game plan by changing the BOD bottle till all of thesupportdeteriorates.

7. Take 200 ml of test in a cone formed container using pipette.

8. Take 0.025N sodium thiosulphate (Na2so3) course of actionintheburette.

9. Titrate the course of action against Na2so3 at starch when the shade of the game plan changes to light yellow then,continuewiththetitrationtillbluetonebecomesdry

10.KeepmodelBintheBODincubatorfor5daysat200C.

Result:1Dec 2021 5.2,3Dec2021 4.8,5Dec2021 5.6,7 Dec2021 4.4,9Dec2021 5.2,11Dec2021 4.0

COD

1.Take10mlofrefinedwaterinroundbaserefluxcup.

2. Add 1 ml of mercury sulfate (MGSo4) plan into a comparablecontainer.

3.Add5mlofpotassiumdichromate(K2CR2O7)planinto acomparablecontainer.

4.Nowadd15mlofsilversulfate sulfuricdestructiveplan intothecup

5. Transfer the substance in the cup to absorption cell vessel.Then,placetheosmosisvesselintoCODdigester.

6. Transfer the substance in the handling vessel to tightened cup . Then, add 2 4 drops of ferroin marker to thecontainer.

7. Take 0.025M ferrous ammonium sulfate game plan in theburette.

8. Titrate the unmistakable game plan till the assortment changefrombluetobleak.

9.Result:1Dec2021 20,3Dec2021 16,5Dec2021 32,7 Dec2021 24,9Dec2021 16,11Dec2021 23

TSS

1.Take50mlofwatertestinacompartment.

2. Note down the greatness of cauldron, petredish and channelpaper.

3. Place the direct paper in the layer channel and pour 50 mloftestfromtopofchannelprogressively.

4.Theoutthechannel paperfromthechannelandlicense ittodryinhotairovenat1030Cpresentmoment.

5. Take out petridish and cauldron from hot air oven and grantitcoolindesiccator.

6.Takeoutpetridishandcauldronfromdesiccatorafterit cool downs then, at that point, note the last weight of the ashlesschannelpaperandlastweightofthepot.

International Research Journal of Engineering and Technology (IRJET) e ISSN:2395 0056

Volume: 09 Issue: 05 | May 2022 www.irjet.net p ISSN:2395 0072

Result:1Dec 2021 6.0,3Dec2021 5.5,5Dec2021 5.0,7 Dec2021 5.0,9Dec2021 4.5,11Dec2021 4.0

DO

1. Fill the burette with sodium thiosulfate (NA2H2O3) courseofaction.

2. Take 10 ml of 0.25N potassion dichromate (K2CR2O7) inapipeformedcup.

3. Add 2 ml of hydrochloric destructive and 1 spatula of potassium iodide (Ki) powder to a comparative pipe formedcup.

4. Tilt the model against NA2S2O3. Add 2 ml starch when the shade of the course of action changes to light yellow then continue with the titration till bue tone becomes troubling.5.Result:1Dec2021 4.8,3Dec2021 4.3,5Dec 2021 4.5,7Dec2021 4.3,9Dec2021 4.2,11Dec2021 4.6

1 DEC 21 7.62 4.8 5.2 20 6.0 3 DEC 21 7.90 4.3 4.8 16 5.5 5 DEC 21 7.89 4.5 5.6 32 5.0 7 DEC 21 7.68 4.3 4.4 24 5.0 9 DEC 21 7.52 4.2 5.2 16 4.5 11 DEC-21 7.72 4.6 4.0 23 4.0

International Research Journal of Engineering and Technology (IRJET) e ISSN:2395 0056

Volume: 09 Issue: 05 | May 2022 www.irjet.net p ISSN:2395 0072

BOD

BOD VALUE

0.00 2.00 4.00 6.00

1-Dec-21 2-Dec-21 3-Dec-21 4-Dec-21 5-Dec-21 6-Dec-21 7-Dec-21 8-Dec-21 9-Dec-21 10-Dec-21 11-Dec-21

DATE

BODCHART

DO

DO VALUE

3.80 4.00 4.20 4.40 4.60 4.80 5.00

1-Dec-21 2-Dec-21 3-Dec-21 4-Dec-21 5-Dec-21 6-Dec-21 7-Dec-21 8-Dec-21 9-Dec-21 10-Dec-21 11-Dec-21

DATE

DOCHART

ADVANTAGES

I. Asewagetreatmentplantcantreatalargeamount of sewage in very short time. This process is very timeefficient.

II. Asewagetreatmentplantcanfitinsmallspace.It does not require large space. As it is less space consumingwhichhelpsittotransporteasily.

III. A sewage treatment plant is eco friendly. They reducetherisktopublichealth.

IV. Sewage treatment plant has basic and simple installation.

V. Itisawaytominimizewasteandbeneficialtothe environment.

APPLICATION

Sewagetreatmentplantcleansesthewastewaterandkills thebacteriapresentinit.Itremovesthetoxicantsfromthe waste water and make it usable for human needs. It bio degrades the solids present in sewage and dilutes the wastewaterandpurifiesit.Themainpurposeofdesigning sewage treatment plant is to purify the wastewater and makeitreusableforpurposessuchasgardening,carwash, flushingetc. A STPisthetreatmentplantyoutrackdown inhugeurbancommunities

CONCLUSION

A plan for the administration of sewage produced in lodgings and neighborhood has been created. The plan is proposed to be developed at inns at Vedshree tapovan pune. The treated water will be provided for inundating the harvests and the excess muck after treatment will be utilized as washing vehicle ,flushing and so on. The utilizationoftreatedwaterwilldecreasethegroundwater use and moreover the treated ooze will be extremely valuableforexpandingtherichnessofsoil.

REFERENCES

1. Swapnil Bijwe et al, Design of sewage Treatment plant (STP) For wagholi city pune Maharashtra Year 2021

2. Sahil salvi et.Al Study on Sewage Treatment plant Year 2021

3. V M Rajanandhini ,G Elangovan Analysis &Design of SewagetreatmentplantYear 2Nov2019

4. Amol Rode et.al Planning &Hydraulic design of sewagetreatmentplantforYavatmalcity,2013

5. Ridhi Nurardiansyah et.al Study of industrial water treatmentplantinstallationplanning systembasedon sewageTreatmentplant 2020

6. Aswathy. M, Hemapriya, “Analysis and design of Sewage Treatment Plant of Apartments in Chennai”, India,Volno13,2017.

7. Ms.S.Ramya, Aswani Krishna, AthulyaBabu, HarshaK.Rajan, “Design of Sewage Treatment plant andcharactersticsofsewage”,2015.

International Research Journal of Engineering and Technology (IRJET) e ISSN:2395 0056

8. Swati Shree Samal, “Design of Sewage Treatment Plant”,vol13,2016.

9. PerformanceEvaluationofSewageTreatmentPlantin CentralZone,2015

10. Aswathy. M, Hemapriya, “Analysis and design of Sewage Treatment Plant of Apartments in Chennai”, India,Volno13,2017.

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