So, what we call the waste water treatment systems or waste water treatment plant is not just a specific. Lecture notes water and wastewater treatment engineering. Wastewater treatment lecture notes ctb336514 tu delft. Wastewater treatment processes wastewater treatment processes the end the end result is based upon your design existing systems need upgrades to meet new.
Pdf a performance indicators system for urban wastewater. Techniques for waste water treatment depending upon the size or the volume of wastewater from an industry, the technique to be employed changes. This international version is comprised by six textbooks giving a stateoftheart presentation of the science and technology of biological wastewater treatment. Water and wastewater treatment water and wastewater treatment eduard g. Suspended growth biological treatment processes 81 9. Most treatment plants were built to clean wastewater for discharge into streams. These organisms require energy for respiration and organic carbon food sources in order to. David stensel please email me solutions manual for wastewater engineering treatment and resource recovery by metcalf and eddy 5th edition.
The obvious economic advantage, both in terms of capital investment and. Sewage treatment, or domestic wastewater treatment, is the process of removing contaminants from wastewater and. Gain familiarity with a range of technical and management options for addressing threats from wastewater contamination 4. It is a term used to indicate the human and animal excreta. Nptel notes pdf civil engineering 105 courses in pdf. Variation in quantity of water and wastewater 2 lectures water supplydistribution systems 2 lectures wastewater collection systems 2 lectures waterwastewater quality enhancement philosophy of treatment. The spraying action creates contact between bod in sewage, oxygen in the air and cells on. Disposal of wastes and wastewater without treatment is no longer an option.
So this week we have been talking about some of the wastewater treatment systems as a whole. Fluidized bed reactor is widely applied in many industries for various applications recently. This hydrogen sulfide and oxygen will combine to form sulfuric acid. The sequence of treatment processes through which wastewater passes is usually characterized as. Today we will start the anaerobic wastewater treatment processes.
And the last couple of lectures we did talk about the basic. Sewers collect the wastewater from homes, businesses, and many industries, and deliver it to plants for treatment. The collaboration id focused on advanced wastewater treatment and will be presented in a report series. Topics include preliminary treatment, sedimentation, biological treatment, nutrient removal, disinfection, and sludge treatment. This manual gives you water distribution network designs and water treatments unit. Most leaders dont even know the game theyre in simon sinek at live2lead 2016 duration. A trickling filter consists of a substrate rocks or other material on which cells can grow and over which the pretreated sewage is sprayed. The country has a vast system of collection sewers, pumping stations, and treatment plants. Chapter 4 sludge conditioning sludge conditioning is a process whereby sludge solids are treated with chemicals or various other means to prepare the sludge for dewatering processes, in other words, to improve dewatering characteristics of the sludge. For an additional 9 years he was a principal advisor to. When the conventional treatment procedures failed to remove recalcitrant compounds in waste water, advanced. The main idea behind this series is the subdivision of the original book into smaller books, which could be more easily purchased and used.
Wastewater treatment in the dairy processing industry recovering energy using anaerobic technology research pdf available march 2016 with 5,238 reads how we measure reads. This book provides an introduction to the fundamental concepts and equations that underlie the engineering processes in wastewater treatment. Lecture 24 aeration,nitrification and denitrification. These percentages are approximate operation of wastewater treatment plants volume i chapter 3 wastewater treatment facilities chapter 4 racks, screens, comminutors, and grit removal.
Tertiary treatment this discussion is an introduction to advanced treatment methods and processes. Introduction to waste water treatment waste water engineering. Barnard wastewater pathogens what is in there safety. Bs murty department of civil engineering, iit madras. Discharge of the wastes into the municipal sewers for combined treatment. Manoj kumar tiwari department of water resource indian institute of technology, kharagpur lecture 50 wastewater treatment systems. Other than material loss, corrosion interferes with human safety, disrupts industrial operations and poses danger to environment. An introduction to secondary wastewater treatment j. Station depuration number of assessments number of assessments revealing compliance compliance rate wastewater treatment facility compliance % wastewater treatment. Understand the mechanics of wastewater treatment and how septic systems can threaten ground and surface water supplies 3. Thank you for joining and see you in the next class. Out of this total water supplied, generally 60 to 80% contributes as a wastewater. Effluent treatment plant al ain slaughterhouses pdf effluent treatment plant al ain poultry pdf effluent treatment plant iffco edible oil pdf. The average values of chemical oxygen demand cod and.
Biological wastewater treatment principles general overview natural receiving waters including rivers, streams, and tidal areas sustain a background population of microorganisms including bacteria, fungi, and algae. Mechanisms to condition the sludge there are two mechanisms involved in sludge conditioning. Wastewater treatment plant characteristics sequencing of unit operations and processes. Biological treatment is an important and integral part of any wastewater treatment plant that treats wastewater from either municipality or industry having soluble organic impurities or a mix of the two types of wastewater sources. For the first half of the 20th century, pollution in the nations urban waterways resulted in frequent occurrences of low. Wastewater treatment for pathogen removal and nutrient conservation. So, thank you for joining and see you in the next class. The wastewater treatment processes that occur in anaerobic, facultative and maturation ponds are described in detail in section 3 of the design manual for wsps in india see. Filling the need for a textbook focused on wastewater, it first covers history. The extent of treatment required to be given depends not only upon the characteristics and quality of the sewage but also upon the source of disposal, its quality and capacity to tolerate the impurities present in the sewage effluents without itself getting potentially polluted. Goals for wastewater treatment are evolvin g how do we implement our infrastructure. Sewage originated from the residential buildings comes under this category.
Activated sludge treatment process concept and system design dr. Wastewater laboratory basics sampling, ammonia, bod, chlorine residual, fecal coliform, ph, solids. Primer for municipal wastewater treatment systems the need for wastewater treatment wastewater treatment is needed so that we can use our rivers and streams for fishing, swimming and drinking water. Hello, everyone and welcome to this second lecture of course wastewater. Last few classes we were discussing about the wastewater treatment by aerobic. The biological wastewater treatment series is based on the book biological wastewater treatment in warm climate regions and on a highly acclaimed set of best selling textbooks. The raw or treated water is analysed by testing their physical, chemical and bacteriological characteristics. Principles and recent trends in biological wastewater treatment technology team ekansai gec technical coordinator chuzo nishizaki. Physical unit processes for waste water treatment introduction to microbiology microbiology wastewater treatment reactor analysis biological unit processesactivated sludge process activated sludge process modifications activated sludge process aeration. Some of the suspended and colloidal matter can also be removed indirectly by sticking to the slime bacteria. Water treatment the raw sewage must be treated before it is discharged into the river stream. Wastewater laboratory basics illinois water environment. Introduction to wastewater treatment processes considers various types of wastewater problems and the selection of proper mode of treatment, as well as the design of the equipment required. Biological wastewater treatment is very widely used for removal of biodegradable materials from wastewater.
A number of different unit ope rations are used in varius configurations to make up an advanced wastewater treat ment system. Our enzymes and enzymeproducing bacteria effectively break down organic waste and increase the quality of wastewater effluent without the use of harsh chemicals. So, earlier class, this week, we did talk about the basic concept of wastewater treatment. Overview and background congressional research service 1 introduction waste discharges from municipal sewage treatment plants into rivers and streams, lakes, and estuaries and coastal waters are a significant source of water quality problems throughout the country. These books are used by students of top universities, institutes and colleges. Learning the chemistry behind the aerobic digestion process duration. The primary treated wastewater from the industrial plant is generally discharged into the public sewer where it is mixed with domestic wastewater. The analysis was directed towards environmentally sound water and wastewater management, including wastewater volume reduction and recycling and maintained a strong focus on distributed water and. Using coagulation and aeration with sedimentation as secondary or biological treatment improved the effluent quality. It is aerobic suspended growth biological wastewater treatment method in which dissolved organic and inorganic matter can be removed. Industrial waste water treatment notes pdf iwwt notes pdf details unit3 sludge lagooning,removal of onganic dissolved solid,lagooning,phosphorus removal,phosphorous in wastewater,orthophosphates,enhanced biological phosphorus removal,physical treatment. A common use of coagulation and flocculation for wastewater treatment is in the galvanic industry. Cee 451 water and wastewater treatment lecture 3 hours. Most galvano companies generate wastewater containing metal ions.
If you have a look at the design criterias, so there is as per the cpheo manual. Wastewater treatment for pathogen removal and nutrient. Our treatment products contain specially selected enzymes andor bacteria strains that start acting quickly to degrade organic waste, reduce odors, and improve system efficiency over. Lecture 36 industrial wastewater treatment nptel waste. I thank you for joining this was the introductory sort of material about the course in general and about the wastewater treatment recycling aspects next week. Lecture notes, waste water treatment, water purification. All of the components shown here may not be present in every preliminary treatment. Titles in the biological wastewater treatment series are. The purpose and fundamentals of wastewater treatment 1 2 3 figure 1. Wastewater flowrates and constituent loadings 31 4. By the use of coagulation and flocculation these ions can be precipitated and settled in a sedimentation tank or filtrated through sand filters. Basic design of a fluidized bed reactor for wastewater.
It also requires more space compared to so me other technologies and has potential for odour and filter flies nptel, 2010. This book is divided into eight chapters and begins with a summary of the theory involved in the specific process, such as chemical kinetics and material. The principle role of screening is to remove coarse materials from the flow stream that could. It has been found promising to use fluidized bed reactor for water treatment procedures.
Paul guyer is a registered mechanical engineer, civil engineer, fire protection engineer and architect with over 35 years experience in the design of buildings and related infrastructure. The particular situation determines the most applicable process design. The extent of treatment required to be given depends not only upon the characteristics and quality of the sewage but also upon the source of disposal, its quality and capacity to tolerate the impurities present in the sewage effluents without itself getting. Industrial wastewater treatment is any process that separates and removes contaminants from industrial process waters, or effluent. Find materials for this course in the pages linked along the left. Principles and recent trends in biological wastewater.
Industrial waste water treatment pdf notes smartzworld. Industrial wastewater treatment video lecture by prof b. Civil engineering water and waste water engineering nptel. Physical, chemical and biological methods 1 lecture domestic wastewater treatment. In urban areas for domestic and industrial uses the source of water is generally reservoir, river, lake, and wells. It is a type of waste water treatment in which microorganisms such as bacteria are used to remove pollutants from waste water through biochemical reaction. Manoj kumar tiwari school of water resources indian institute of technology, kharagpur lecture 24 wastewater treatment units. Nptel notes pdf civil engineering 105 courses in pdf format useful for gate acoustics and daylighting in building nptel civil engineering notes pdf advanced foundation engineering nptel civil engineering notes pdf advanced geotechnical engineering nptel civil engineering notes pdf advanced hydraulics nptel civil engineering notes pdf advanced hydrology nptel. Pdf waste water management environmental engineering. 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.
Introduction to wastewater treatment processes 1st edition. Wastewater management therefore means handling wastewater to protect the environment to ensure public health, economic, social and poli tical soundness metcalf and eddy, 1991. Sewage can be treated close to where it is created in septic tanks, biofilters or aerobic treatment systems, or collected and transported via a network of pipes and pump stations to a municipal treatment plant. Waste water treatment, water purification and waterborne microbial diseases. Chapter 4 sludge conditioning marmara universitesi. These contaminants include oils, dissolved heavy metals, suspended solids and organic compounds. Fundamentals of wastewater treatment and engineering introduces readers to the essential concepts of wastewater treatment, as well as the engineering design of unit processes for the sustainable treatment of municipal wastewater. It is the wastewater generated from the lavatory basins, urinals and. Activated sludge treatment process concept and system. Traditional method of treatment a treatability study of textile wastewater by traditional method using coagulation by adding polyelectrolytes 1. Khamizov encyclopedia of life support systems eolss the theme considers modern demands, standards, and other requirements on the quality of drinking water, and water for industry and agriculture.
As a part of this cooperation stanislaw rybicki had the possibility to stay four months in spring 1992 and one month in july 1996 as a guest researcher at the royal institute of technology. Advanced treatment 5% clarifiers 5% disinfection 6% laboratory 10% maintenance 5% preliminary treatment 5% safety 6% solids handling 3% note. Fundamentals of wastewater treatment and engineering. Wastewater is defined as liquid derived from domestic sewage, industry that cant be discharged into lakes or streams due to heath. Separate treatment of the industrial wastes before discharging the same into the water bodies. The results showed the wastewater discharged from the building and construction chemicals factory was highly contaminated with organic compounds. Sewage treatment technical note introduction rivers constitute a major source of water in most countries of the world for both domestic and industrial purposes.
How there are set of various unit operations and unit processes. This treatment is achieved in tanks called aeration tanks. From this lecture onwards, we will pick the specific units and have discussion onto that and we are going to start with the very first unit which is used is screening. An in tro duction to sedimen tation theory w astew ater treatmen t bengt carlsson systems and con trol group uppsala univ ersit y no v 96, rev okt 98 abstract this material is made for the course \w.
This course starts with a discussion of the biochemical oxygen demand that is created by biodegradable materials in water and the reason why such materials must be removed from wastewater. The text introduces readers to the basic concepts of the technology of municipal water processing, water distribution, wastewater collection, wastewater treatment, and sludge disposal. Lecture 5 water and wastewater characteristics youtube. The wastewater treatment lectures are designed to provide insight into the processes and techniques that are applied in the wastewater treatment fi eld, where the focus is laid on the basic principles, local conditions, basic circumstances and performance processes. Wastewater treatment in warm climate regions and on a highly acclaimed set of best selling textbooks. The two factories discharge their wastewater into the public sewerage network.