Ozone water treatmentozone water treatment application. Water treatment plant project ppt free download as powerpoint presentation. Drinking water treatment for nitrate acknowledgments this document is largely based on the report titled an assessment of the state of nitrate treatment alternatives 2011 prepared for the american water works association awwa through collaboration. The fundamentals of water treatment technology a training workshop for stasmo presented by. Sand, eggshells and other coarse inorganic material is present in the flow in addition to organic matter from household, industrial, commercial and institutional water use. On the result page, proceed to modify the file further if needed. Download sources of water ppt power point presentation pdf. Ppt wastewater treatment powerpoint presentation free. The revision of manual was carried out by consultants ryan hanley project manager.
Water pollution is the impure or unclean state of all water bodies like lakes, rivers, groundwater, aquifers, and oceans. The water used in the experiment is not suitable for drinking at any stage in treatment. From unloading, sampling, treating, discharging the waste, to operation and maintenance the. Wait for smallpdf to convert the file to pdf format.
Group members nusrat bashir zarnab sehzad samra niaz sultana jamil. Enzymes nucleic acid cytoplasmic membrane structural proteins. Its objective is to produce an environmentally safe fluid waste stream and a solid waste suitable for disposal or reuse. The goal is water that runs free and clean, maximizing its ability to absorb heat and carry it away, so your systems stay cool. Larger water supplies serving many properties or commercial or industrial premises usually have shared upstream treatment systems similar in principle to those. A presentation and worksheets on potable water and waste water treatment. Introduction water treatment is the process of removing contaminants from wastewater and household water. Pathogens diseasecausing organisms that include bacteria, amoebas and viruses, as well as the eggs and larvae of parasitic worms.
Harmful chemicals from human activities industrial wastes, pesticides, fertilizers. In the upper atmosphere, it helps protect the earths surface from the harmful ultraviolet rays of the sun. Land pollution ppt and pdf download sources of water ppt and. Some of the dissolved solids should stay in water at healthy concentrations. Since both raw water qualities and intended uses vary, water treatment must be carefully tailored to fit individual situations. Ppt wastewater treatment powerpoint presentation free to. Volume 2 basic principles of wastewater treatment is also introductory, but at a higher level of detailing.
Unicef programme division is pleased to present the water handbook part of the guidelines series on water, environment and sanitation. Local artisans can make a household slow sand filter. Household water treatment and safe storage following. Civil engineers are vital in the treatment and delivery of water to. Stabilization or oxidation ponds oxidation ponds are a few meters deep, and up to a hectare in size. Oct 14, 2017 a presentation and worksheets on potable water and waste water treatment. Continued stabilization ponds are the preferred wastewater treatment process in developing countries due to low cost, low maintenance. Nitrate treatment technologies for drinking water technology update 2016 for central coast regional water quality control board eugene h. Group members nusrat bashir zarnab sehzad samra niaz sultana jamil 3. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext.
Ozone water treatmentozone water treatment application and design. Collection the source water for a municipal surface water treatment plant is typically a local river, lake, or reservoir. Water quality and simple water quality field testing demo pdf 1. Lecture notes water and sanitation infrastructure in. Sep 20, 2017 sumit thakur uncategorized download sources of water ppt power point presentation pdf. When heat is added to water, its temperature rises at a rate of 0. Decrease co 2 concentration thereby reduce its corrosiveness. Decentralized household water treatment and safe storage pdf 5. An increasing scarcity in fresh water sources fueled a push towards alternative resources such as ocean water. Increase the dissolved oxygen concentration in water. Because water is so good at dispersing minerals and helping living things grow, water in cooling systems must be specially treated and monitored. A free powerpoint ppt presentation displayed as a flash slide show on id. Primary, secondary and tertiary treatment processes have characteristic hazards.
The country has a vast system of collection sewers, pumping stations, and treatment plants. It maintains the same quality writing, illustrations, and worked examples as the larger book, but in a smaller format which focuses on the treatment processes and not on the design of the facilities. Water treatment plant project ppt sodium carbonate water. State water resources control board division of drinking water march 2016 presentation goal highlight the latest treatment technologies from around the state for nitrate treatment. Munii l ikiicipal drinking water treatment municipal wastewater treatment bottled water production industrial wastewater treatmentindustrial wastewater treatment color removal in textile and paper industries\ toccod reduction water reclaim. Hence, do not consume the water under any circumstances. Munii l ikiicipal drinking water treatment municipal wastewater treatment bottled water production industrial wastewater treatmentindustrial wastewater treatment color removal in textile and paper industries\. History of water treatment drinking water treatment process activity. Wastewater basics 101 target audience policy makers, leaders, and planners people who have a water quality agenda this presentation discusses the fundamentals of converting wastewater back to water how do we humans interact with the hydrologic cycle. The surface of a colloidal particle tends to acquire an electrostatic charge due to the ionization of surface groups and the adsorption of ions from the surrounding solution. The only way to get this is by purchasing the best water filter in singapore that can remove all the contaminants in the water.
Ppt water purification powerpoint presentation free to. Cha corporation microwave water purification process january 2005 microwave water purification process treatment of this waste stream can eliminate many of the health and environmental risks presented to military personnel associated with the washing of combat vehicles. Inefficient operation of ion exchange and ro filtration systems resulting in poor feed water quality and costly exchanger regeneration. For a slow sand filter to be effective, the flow of water must be maintained at a constant 0. The water handbook is the result of wide collaboration within unicef, and provides a broad overview of stateoftheart programming for water management, protection and supply. Retention and drainage, green liquor clarification, and anionic trash collection. Water treatment processes drinking water inspectorate.
Present drinking water can be defined into three different classifications and they are mentioned below. The objective of municipal and industrial waste water treatment is to extract pollutants, remove toxicants, neutralise coarse particles, kill pathogens so that quality of discharged water is improved to reach the permissible level of water to be discharged into water. In gravity aerators, water is allowed to fall by gravity such that a large area of water is exposed to atmosphere, sometimes aided by turbulence. The epa first published a water treatment manual on disinfection in 1998. In the 1970s, exploration began into using membranes for water desalination. Ppt water treatment processes powerpoint presentation.
Boiling of water treatment with excess limetreatment with excess limeadditional 14additional 1443 ppm43 ppm increase ph treatment with ozonetreatment with ozone treatment with iodine and bromine treatment with potassium permanganate treatment with ultraviolet rays treatment with silver, called electrakatadyn process 28. Reduce taste and odor caused by dissolved gases such as. Potable water and waste water treatment teaching resources. Wastewater treatment its journey to treatment and return to the environment 2. Constructing the filtering apparatus history of water treatment water has always played a prominent role in human civilization. The basics of cooling tower water treatment the purpose of a cooling tower is to remove the heat generated by an hvac system cooling of compressor refrigerant and heat generated by the compressor itself. In this situation, it is critical to communicate to families that the need to make water safe by themselves, at. Lecture notes water and wastewater treatment engineering. Ozone disinfection for drinking water miramar and alvarado water treatment plants frequently asked questions what is ozone. Sources of water and water supply planning pdf 1 of 2 6. This manual has been revised to reflect best practice in drinking water disinfection and the supervisory role of the epa.
Water treatment step tostep to conventional water treatment dr. Principles of water treatment has been developed from the best selling reference work water treatment, 3rd edition by the same author team. Civil engineers are vital in the treatment and delivery of water to your household. Tertiary treatment this discussion is an introduction to advanced treatment methods and processes. Dry polymers zavailable in granular, flake or bead form. Water treatment plant wtp processes that are commonly used in getting clean potable water to your household. Sewage water treatment is the process of removing contaminants from waste water,primarily from household sewage,by product of sewage treatmentsemisolids slurry has to undergo furthur treatment befor being suitable for disposal. Bureau of safe drinking water, department of environmental protection. The purpose of water treatment is to do whatever is necessary to render a raw water suitable for its intended use. Water retention, erosion control, nutrient runoff prevention. The history of drinking water treatment pdf 376 kb water treatment over time, summary of modern treatment methods.
Water reuse requires treatment so that the effluent meets the quality criteria for the intended. Find materials for this course in the pages linked along the left. Wastewater is a term that is used to describe waste material that includes industrial liquid waste and sewage waste that is. Poor water treatment lets water interact with the surfaces of pipes and vessels which contain it. The effective treatment of wastewater to meet water quality objectives for water reuse applications and to protect public health is a critical element of water reuse systems. They are low cost with retention times of 1 to 4 weeks.
In places where drinkingwater is unsafe and needs to be purified at house hold level. Coagulation civl 1112 water treatment coagulation and flocculation 27. Ozone is a molecule made of three oxygen atoms that occurs naturally in the earth and that can also be manmade. Water pollution power point presentation at present, water scarcity is a global difficulty in a world because many countries are suffering from this difficulty as many freshwater bodies, oceans and seas are polluted by humankind. Water treatment for dialysis jeff kaufhold, md facp nephrology associates of dayton oct 2008 water treatment important because dialysis patients are exposed to water. The water handbook is the result of wide collaboration within unicef, and provides a broad overview of stateoftheart programming. Water, sanitation and health household water treatment and safe storage following emergencies and disasters south asia earthquake and tsunami following an emergency, families frequently lack access to a safe source of drinking water. Threats to safety in wastewater treatment plants come from several directions and change through the process.
Even the most basic forms of water treatment require some operator time on a daily basis. Water reuse is important in watershort areas, where sewage effluent is a valuable water resource. It includes physical, chemical, and biological processes to remove physical, chemical and biological contaminants. Water treatment aims at producing water that satisfies a set of drinking water quality standards at a reasonable price to the consumers. The watertreatment zoning plans for the 24 cities were approved in 2007. Sewage water treatment list of high impact articles. Sumit thakur uncategorized download sources of water ppt power point presentation pdf. Water filter in singapore water purification systems now that you have understood that you need to drink a lot of water to keep yourself healthy the next quest should be to find out how you can get an unlimited supply of pure drinking water at your home. Drinking water treatment for nitrate acknowledgments this document is largely based on the report titled an assessment of the state of nitrate treatment alternatives 2011 prepared for the american water works association awwa through collaboration with chad seidel, ph. Wastewater treatment solutions widely used in india, sewage treatment plant companies india gme is an approved a class consultant of kerala state pollution control board and the leading wastewater treatment plant manufacturers and water management company from kerala, serving clients outside and across india. Sewage water treatment list of high impact articles ppts. Drag and drop or click upload file to import your ppt. Ppt water treatment for dialysis powerpoint presentation.
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