1 / 2

Sewage Treatment Plant

A sewage treatment plant is a facility designed to treat and process wastewater, also known as sewage, before releasing it back into the environment or into a water supply. The primary goal of sewage treatment is to remove impurities and contaminants from the water to make it safe for discharge or reuse. These plants play a crucial role in safeguarding public health, protecting the environment, and conserving water resources.<br>https://www.kelvinindia.in/sewage-treatment-plant

balingpressmachine
Télécharger la présentation

Sewage Treatment Plant

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. SEWAGETREATMENTPLANT Asewagetreatmentplant(STP)isafacilitydesignedtotreatandmanagewastewater beforeitisreleasedintotheenvironment.Theprimarygoalofsewagetreatmentisto removecontaminantsandpollutantsfromdomesticandindustrialwastewatersothatthe treatedwatercanbesafelydischargedorreused. Herearethekeystagesinthetypicalsewagetreatmentprocess: Screening:Thefirststepinvolvestheremovaloflargeobjectssuchassticks,leaves,and plastics.Thishelpsprotectdownstreamequipmentfromdamage. PrimaryTreatment:Inthisphase,thesewageisallowedtosettleinlargetanks,allowingsolids tosettleatthebottom.Theclarifiedliquid,knownasprimaryeffluent,isthenseparatedfrom the settled solids. SecondaryTreatment:Thesecondarytreatmentisdesignedtoremovedissolvedandsus- pendedbiologicalmatter.Thisisoftendonebyusingmicroorganismsthatconsumethe organicpollutants.Commonmethodsincludeactivatedsludgeprocesses,tricklingfilters, andlagoonsystems.

  2. TertiaryTreatment:Thisstepfurtherpolishestheeffluentfromthesecondarytreatmentto meetspecificwaterqualitystandards.Tertiarytreatmentcaninvolveadditionalfiltration, chemicaltreatment, orother advancedprocesses. Disinfection:Beforethetreatedwaterisdischargedorreused,itisoftendisinfectedtokillany remainingharmfulmicroorganisms.Commondisinfectionmethodincludedchlorination,ultra- violet(UV)irradiation,and zonation. SludgeTreatment:Thesolidsthatareseparatedduringprimaryandsecondarytreatment, knownassludge,undergofurthertreatment.Thiscanincludeprocessessuchasdigestion, dewatering,andsometimesincineration.Thetreatedsludgecanbeusedasfertilizerordisposed ofinalandfill. Theeffluentfromsewagetreatmentplantsistypicallymonitoredforvariousparametersto ensurethatitmeetsregulatorystandardsbeforebeingreleasedintorivers,lakes,oroceans. Manymodernsewagetreatmentplantsalsofocusonresourcerecovery,extractingenergy andnutrientsfromwastewater. Sewagetreatmentiscrucialforprotectingpublichealth,preventingwaterpollution,andpre- servingtheecologicalbalanceofaquaticecosystems.Itplaysasignificantroleinsustainable watermanagementandenvironmentalconservation.

More Related