Note that the removal of bicarbonate hardness results in a net removal of soluble. Treating the water water treatment involves disinfecting and purifying untreated ground and surface water. Pdf en8491 water supply engineering lecture notes, books. Plan relevant pre and postvisit activities to a water treatment plant. In this chapter a brief overview is given of historic developments in water treatment, followed by a discussion of water quality aspects that are relevant to drinking water treatment. Note since aluminium may be harmful at high concentrations it must be allowed. Treatment of a water supply is a safety factor, not a corrective measure. Water treatment technology tas 3010 lecture notes university malaysia terengganu 2009 disclaimer. Engineering chemistry notes pdf ec notes pdf starts with the topics covering electrochemistry and batteries, concept of electro chemistry, conductanceelectrolyte in solution specific conductivity,equivalent conductivity and molar conductivity, variation of. Pdf fundamentals of water treatment unit processes. Civil engineers are vital in the treatment and delivery of water to your household. The revision of manual was carried out by consultants ryan hanley project manager. Sewage treatment technical note introduction rivers constitute a major source of water in most countries of the world for both domestic and industrial purposes.
Remove solids sludge and scum so they dont accumulate in rivers where the water is discharged, prevent organics from entering rivers why. Wastewater treatment plant operations and maintenance. The time for floc formation, the floc size, its settling characteristics, the percent turbidity and color removed, and the final ph of the coagulated and settled water. Pdf water and wastewater treatment in africa current. Conventional surface water treatment screening remove relatively large floating and suspended debris rapidmix mixing water with chemicals that encourage suspended solids to coagulate into larger particles that will settle easily flocculation gently mixing water and coagulant allowing the formation of large particles of floc. Pdf ocy751 waste water treatment mcq multi choice questions. Jun 10, 2017 we have shared the water supply engineering lecturer notes in topic wise pdf. It is more helpful to revise the basics in quick manner. Water treatment technology tas 3010 lecture notes 9c. Some of the dissolved solids should stay in water at healthy concentrations. Sources of industrial waste,characteristics of the industrial wastes,inorganic salts,acids and alkalis,organic matter,suspended solids,floating solids and liquids,heated water,colour,toxic chemicals,microorganisms,industrial wastewater means used up water from industries.
Cryptosporidium criptoesporideeum is a protozoan, a singlecelled parasite that lives in the intes. For this reason, this lecture note is developed for environmental health students on how to treat water at household, small scale and large scale levels, to make the water safe for human consumption. For continuous supply of feed water to boiler, after removing impurities, there are two types of. This is followed by an overview of the different treatment processes commonly used for water treatment and the processing of residuals. Supersaturation of air in water 2 4 atm pressure b bbl i 20bubble size. Water treatment water treatment national water supply and. Also useful for the preparation of various upcoming exams like gate civil engineeringce ies barc sscje state engineering services exams and other important upcoming competitive exams. We need to remove the wastewater pollutants to protect the environment and protect public health. Purpose of water treatment to provide safe drinking water that does not contain. When water is used by our society, the water becomes. This manual has been revised to reflect best practice in drinking water disinfection and the supervisory role of the epa. The process of removal of undesirable matters and pathogens from water is called the water treatment process.
Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on youtube. The chemical dosage determined from the procedure gives an estimate of the dosage required for the treatment plant. If the initial water analysis result indicates bacteria is present, homeowners should rechlorinate the actual well before installing an entire treatment system. Single treatment plant cannot treat all the different types of raw water. Lecture notes section includes topic wise distribution of course handouts. Groundwater that has been softened, or treated through iron and manganese oxidation, remove floc created by quires filtration to re coagulation or oxidation processes. Lecture notes water and wastewater treatment engineering civil. Preliminary and primary waste water treatment processes a. The purpose of a public or private water treatment facility is to make water potable that is to say, safe to drink as well as palatable good tasting.
The chapter also elaborates on the various ways of purifying water, and the points that should be considered regarding water disinfectants during the treatment. Handbook of water and wastewater treatment technologies. Water treatment technology tas 3010 lecture notes 9c sedimentation free download as powerpoint presentation. After use, the water eventually returns to the river or is discharged out to sea, typical dry weather flow can be as high as 500 litres per person per day. Water treatment describes those processes used to make water more acceptable for a desired. Mainly to carry out a comparative feasibility study and develop a decision support system dss or strategyplanning framework for a sustainable alternative for water wastewater treatment and. Potable dose not necessarily mean that the water tastes good. Water treatment plant wtp processes that are commonly used in getting clean potable water to your household.
Water resources engineering civil engineering engc 6305. This concentration of aluminium should be achievable by any water treatment works, but a wellrun large treatment works should be able to achieve a. For continuous supply of feed water to boiler, after removing impurities, there are two types of plant generally incorporated. Fundamentals of water treatment unit processes, physical, chemical, and biological 2011. Water treatment step tostep to conventional water treatment dr. Industrial waste water treatment iwwt pdf notes 2020.
Industrial waste water treatment iwwt pdf notes 2021. Teacher notes and student activities on water treatment are clearly marked and may be photocopied for classroom use. Type of coagulant formula most common form reaction with water aluminum sulfate al 2 so 4 3. Introduction to water and wastewater treatment processes significant dates in public water supply 97 inhabitants in ancient rome use about 38 gpcd. Worldwide, a combination of coagulation, sedimentation and filtration is the most widely applied water treatment technology, and has been used since the early 20th century. Preliminary treatment of wastewater generally includes those processes that remove debris and coarse biodegradable material from the waste stream andor stabilize the wastewater by equalization or chemical addition. Getting samples of the water analyzed for its chemical and bacteriological contents and comparing the same with acceptable standard. Pathogens are reduced, but not necessarily eliminated.
Similarly, the sectionii encompasses four chapters. A schematic diagram of a typical municipal water treatment plant is shown in. Harmful chemicals from human activities industrial wastes, pesticides, fertilizers. Cover photographs courtesy of rietvlei water treatment works. These wastewater plants are complex facilities and provide a high quality end product. Chemical treatment adsorption and ion exchange pdf 2. Groundwater that has been softened, or treated through iron and manganese oxidation, remove floc created by quires filtration to. To pump chemical solutions, needed for water treatment. Filtration plays an important role in the natural treatment of groundwater as it percolates through the soil. Industrial waste water treatment notes pdf details. The ingredients of wastewater treatment are in the wastewater itself, bacterial cultures, and puri.
Water treatment process study notes for civil engineering. The article contains fundamental notes on water and waste water 2 topic of the environmental engineering subject. The facility also ensures that theres an adequate supply of water to meet the. Lecture notes water and wastewater treatment engineering. Water from any source may contain various suspended, colloidal and dissolved impurities which may be harmful or useful for drinking purpose. Wastewater treatment is one of the most important services a municipality may provide and one of the least visible. Supplies from sources should be closely examined and the method of treatment decided accordingly. In water treatment two main types of coagulants are used i. Pdf ocy751 waste water treatment lecture notes, books. The authors of this book have tried their best, put their utmost thought and taken maximum care while compiling the available information so that this piece of work will be accepted by every. Water distributionsystem notes click to download water quantityquality notes click to download water treatment notes click to download water supplyengineering notes click to download thanks have a nice day wish you all the best. Wastewater treatment process wastewater treatment total water treatment system, employed to treat the wasteeffluent water from industry.
Both alkaline and acidic wastes are also expected from the boiler feed water treatment plant, the wastes being generated during the regeneration of anion and cat. In the boiler furnace, the chemical energy in the fuel is converted into heat, and it is the function of the boiler to transfer this heat to the contained water in the most efficient manner. Sep 15, 2019 industrial waste water treatment notes pdf details. Investigate water and wastewater treatment options. Pdf on apr 1, 2011, peace amoatey mrs and others published wastewater management find, read and cite all the research you need on researchgate. The epa first published a water treatment manual on disinfection in 1998. Pdf industrial waste water treatment pdf notes iwwt pdf. Handbook for the operation of water research commission. Pdf industrial waste water treatment pdf notes iwwt. Preparation for the course the training sessions will be conducted using microsoft teams ms teams. Here you can download the free engineering chemistry pdf notes ec pdf notes materials with multiple file links to download. This chapter provides an overview of the process of wastewater treatment and provides information appropriate for municipal leaders, the general public and operators.
Water that can be consumed in any desired amount without concern for adverse heath effects. Introduction to the water treatment process programme 08. Water quality standards, water quality occurrence in different parts of the state and its presentation in shape of a map are reflected in these chapters. Water treatment project sample treatment cost consider a prototype system with the following characteristics.
Water treatment notes usda water quality program, cornell cooperative extension cryptosporidium. The basic function of the intake structure is to help in safely withdrawing water from the source over predetermined pool levels and then to discharge this water into the withdrawal conduit normally called intake conduit, through which it flows up to water treatment plant. Masters course waste water treatment cie 4485 this text book is similar in many ways to a cook book. Pathogens diseasecausing organisms that include bacteria, amoebas and viruses, as well as the eggs and larvae of parasitic worms. Civil engineers design, monitor and maintain water treatment plants and water supplies. Arrangements for boiler feed water treatment notes pdf ppt.
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