Report on Water Treatment Process
Added on 2020-04-07
31 Pages4420 Words250 Views
Mechanical EngineeringPhysics
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Water treatment processDesign Of Water treatment processSubmitted by Tutor id- 151711
Water treatment process Table of contentsTopics Page Number1 .Introduction 42. Overall Process Description 53. BFD for Entire Process 74. PFD for small section Of Plant 75. Detailed Process Description 96. Design Criteria 127. Mass Balance 218. Conclusion 289. References 282
Water treatment processAbstractThis report portrays advances the fact that here there is some innovation process which helps to determine the quality of water. This general subject also includes the advance treatment processes and a particular result will give a final touch of this report. Here we consider the few basic rules which are necessary for this treatment process. Taking some goals to finalize the matter, it gives the specific judgments for the choice of this specific treatment process advancements in a certain circumstance. Here we consider the specific topic and upon this topic the research process is going on. The creators will be upbeat to talk about any recommendations peruses may have. Since the creators trust that this treatment information is fundamentally non-existent in the South Pacific a general depiction that condenses the essentials of wastewater treatment has been incorporated. It is trusted this encourages the 'processing' of this report.3
Water treatment processIntroductionWater treatment is very much important in human life. Because water is life. If there is any fault with water, it creates disease and toxins. So the treatment for the safety of water is very necessary and important also. This report includes the chemical and physical treatment of water and focuses on the chemical and physicalbehavior of water. In water, chemicals, pathogens, compounds (Nitrogen, oxygen, phosphorus, chlorine) are present [ CITATION DAR07 \l 1033 ].These chemicals may be helpful or dangerous for health. So there will be some treatment needed to identify the chemicals and compounds. In present days rapid growth and uncivilized infrastructure are causing the depletion of water.[ CITATION Jos07 \l 1033 ].Though there is a rainfall but there is high rate of evaporation also and the bad habit of people of wasting water causes water shortage. So if we think about the water treatment project and if we consume water about three percent daily, then in next twenty years about two hundred gallons of water will be preserved. Moreover, it will help the people in dry condition when there is a huge amount of shortage of water. The water is coming out of the septic tank, toilets, restrooms, etc., are calledwaste water. These waters contain high amount of chemical compounds. So it is our challenge to reverse the condition of water and reuse it[ CITATION Han10 \l 1033 ].Waste water treatmentThis treatment implies the detachment of solids and stabilization of the chemical compounds present in water. There will be some chemical and biological reactionsthat start at a certain point until the organic and chemical compounds totally removes. It also removes the toxic and harmful substances which cause the disease like brain disorder, anemia, etc.[ CITATION Göb09 \l 1033 ] Here the two terms come- BOD and COD. It measures the general parameter of organic pollutants. This treatment oxidizes the pollutants and transforms the compounds into a less harmfulmaterial[ CITATION Yan13 \l 1033 ]. Levels of water treatment4
Water treatment process1. Primary treatmentIt is very easy process. Here we remove the solid particles. The main goal of this treatment is to distinguish these simple differentiable compounds. In this treatment process the components like bar screen and grit removal are taken. This is very much important so that it will direct the perfection of the next processes. Here mainly settlement processes are done. So the different settlement of particles causes the reduction of pollutants. Here about 40% BOD is reduced in this process[CITATION Cen10 \l 1033 ]. 2. Secondary treatmentThe materials which remain in the water after primary treatment, are considered here. The chemical and biological reactions are done in the wastewater to remove the soluble particles. In these treatment bacteria is fully transformed in the stable form. Here mainly two processes are done- anaerobic and aerobic. The pathogens, small bacteria and protozoa are fully removed from the water and the water becomes less pollutant.[ CITATION Ter13 \l 1033 ]3. Tertiary treatmentIt is most advanced process where it is treated as a further purification of water discharge. In these levels the harmful soluble compounds like nitrogen, phosphorous and other specific harmful compounds are totally removed. These treatment processes are specific processes. Bank clarifiers ‘and grass plots are examples of this process[ CITATION Ben07 \l 1033 ]. Overall process descriptionIn natural, fast populace development and spontaneous improvement are adding to quick exhaustion of per liquid accessibility. Besides, a constrained measure of rainfalls went with a high rate of vanishing and excess propensity for squandering liquid of the populace; despite the fact that serious dry season winning are the 5
Water treatment processrearing elements for water deficiency. Also, with a yearly swell of four percent in the volume of water infused into the dissemination framework amid the previous 20 years, has shot the day by day water utilization from hundred liters to two hundred liters and many are persuaded that we are only a couple of drops far from the Water Rare status[ CITATION Yan13 \l 1033 ]. Along these lines, there was a dire requirement for a vital arrangement that handle this issue.In like manner, more accentuation is being laid on conservation and assurance of condition while the legislature approached with a fantastic vital arrangement[ CITATION Yan13 \l 1033 ].National Sewerage Venture, set up to tackle at one go the water rare. Selecting waste water treatment guarantees that very little awesome requests are being made on the earth in Mauritius, in this manner it is a stage forward towards shielding the biology and marine assets, specifically surf water and ground water and additionally enhances sanitation and ensure general well being. Likewise, the setting on squander water treatment and reuse influences arrangement for long haulto water unwavering quality inside the group by giving substitute to crisp water and furthermore is an or more point for water request and dry spell administration in general water assets arranging[ CITATION Ben07 \l 1033 ]. In like manner, reuse of wastewater likewise empowers the portion of good quality new surface water or ground water for higher esteem purposes, which can be either for human utilizationor addressing household needs, in this way additionally ensuring existing wellsprings of crisp water as it block the prerequisite of activation of extra assets toexpanding request[ CITATION Tao09 \l 1033 ].6
Water treatment processBlock Diagram of entire process7
Water treatment processBlock Diagram for small plant processesFigure- Diagram For Filter tank and storage tankFigure- diagram for sedimentation and flocculation processes8
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