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Search results “Analysis of water and wastewater”
Webinar -- Water Quality Sampling and Analysis
 
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This webinar provides a review of water sampling methods and subsequent analysis for water operators, field sample technicians, and others. The presenter will be talking about equipment used, calibrating, cleaning, and maintaining instruments, common field measurements, sample collection and testing, and evaluating results. The presenter is Ernie Rector, Market Manager at the LaMotte Company in Chestertown, Maryland. Ernie began working as the Market Manager handling the Industrial, Water and Wastewater sections for the LaMotte Company in 2010. His previous experience was as a Water Operator and Laboratory Technician at a public drinking water utility for 25 years. He graduated from the Delaware Technical and Community College with an AAS in Chemistry Technology. Visit us at http://www.lamotte.com
Views: 39264 LaMotte Company
Multi-discipline Water and Wastewater Treatment Plant Design and Analysis
 
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Multi-discipline treatment plant design and analysis improves efficiencies in design, construction and project delivery. Learn more: https://www.bentley.com/en/solutions/multi-discipline-treatment-plant-design-and-analysis
Lecture 5 Water and WasteWater  Characteristics
 
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Lectures Series on Water & Waste Water Engineering by Prof C.Venkobachar, Prof. Ligy Philip, Prof. B. S. Murty Department of Civil Engineering, IIT Madras. For more details on NPTEL visit http://nptel.iitm.ac.in
Views: 70161 nptelhrd
Water and Wastewater Treatment Lecture
 
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Video put together for the MSc in Environmental Technology at Imperial College London
Views: 136550 NV atCEPImperial
Lecture 20 WasteWater Treatment Reactor Analysis
 
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Lectures Series on Water & Waste Water Engineering by Prof C.Venkobachar, Prof. Ligy Philip, Prof. B. S. Murty Department of Civil Engineering, IIT Madras. For more details on NPTEL visit http://nptel.iitm.ac.in
Views: 27580 nptelhrd
Water sampling
 
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Water is essential for life, but for many people the quality of water available may be poor. Analysis of a water supply may be required to find out whether the water is safe to drink or whether it needs to be treated before consumption. Methods of analysing the quality of water are discussed in other films in this series. It is just as important, however, to ensure that the samples of water tested are representative of the water supply as a whole. Water sampling is therefore as important an activity as the process of water analysis and is the subject of this film.
Views: 18708 WEDC Publications
Biochemical oxygen demand (BOD)
 
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Biochemical Oxygen Demand (BOD) BOD is an empiric laboratory assay which measures the amount of organic matter contained in a water sample. This assay is the most widely used method for the assessment of water quality Demanda Bioquímica d'Oxigen (DBO) DBO és un assaig empíric de laboratori que mesura la quantitat de matèria orgànica en una mostra d'aigua. Demanda Bioquímica de Oxígeno (DBO) DQO es un ensayo empírico de laboratorio que mide la cantidad de materia orgánica en una muestra de agua. Produït per: Caminstech
Views: 156908 EscolaCamins
Episode 1 of The Lab Report: Water Contamination Analysis Using ICP-OES (US EPA Method 200.7)
 
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On this episode of The Lab Report, we will discuss questions critical to enviromental testing laboratories, including: When water is contaminated, how is it tested? How does running waste water through an ICP-OES determine the contaminents? What are some solutions for maximizing your testing speed and efficiency without compromising results? Please visit this link to download our application note on US EPA Method 200.7. The Lab Report is your source for learning about scientific applications, discovers, and industry solutions from PerkinElmer. Get the complete application note here: http://bit.ly/1EFp3jx
Views: 17487 PerkinElmer, Inc.
Chemical Oxygen Demand (COD)
 
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Chemical Oxygen Demand (COD) COD is an empiric laboratory assay which measures the amount of organic matter contained in a water sample. Demanda Química d'Oxigen (DQO) DQO és un assaig empíric de laboratori que mesura la quantitat de matèria orgànica en una mostra d'aigua. Demanda Química de Oxígeno (DQO) DQO es un ensayo empírico de laboratorio que mide la cantidad de materia orgánica en una muestra de agua. Produït per: Caminstech
Views: 95508 EscolaCamins
Wastewater treatment process overview
 
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This lecture explains about the Wastewater treatment process and industrial wastewater management with sewage treatment. http://shomusbiology.weebly.com/ Download the study materials here- http://shomusbiology.weebly.com/bio-materials.html Sewage treatment is the process of removing contaminants from wastewater and household sewage, both runoff (effluents), domestic, commercial and institutional. It includes physical, chemical, and biological processes to remove physical, chemical and biological contaminants. Its objective is to produce an environmentally safe fluid waste stream (or treated effluent) and a solid waste (or treated sludge) suitable for disposal or reuse (usually as farm fertilizer). Using advanced technology it is now possible to re-use sewage effluent for drinking water, although Singapore is the only country to implement such technology on a production scale in its production of NEWater.[2] Source of the article published in description is Wikipedia. I am sharing their material. © by original content developers of Wikipedia. Link- http://en.wikipedia.org/wiki/Main_Page
Views: 372411 Shomu's Biology
CFD Consultancy for Water & Wastewater Treatment: Chlorine Contact Tank Tracer Analysis By Navier
 
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Contact tanks (CTs) are a critical treatment process in water & wastewater treatment systems. In this simulation, a tracer representing the disinfectant is introduced at the inlet and the concentration of the tracer is monitored over time as it exits the outlet of the basin to calculate residence time distribution (RTD) curves. Other benefits from this type of analysis include: • Optimised baffle and wall placement • Assessment of hydraulic efficiency and short-circuiting • RTD curves can be used to extract t10 and t90 • Explore exit age distribution for a whole range of flow and level scenarios Our goal is to help clients achieve a lower total cost of ownership by assessing & optimising their Contact Tank design upfront during the design phase, to avoid potentially expensive diagnostics and retrofit activities after construction. To find out more please visit https://navier-flow-consultants.com/water-treatment-cfd-consultancy/
Views: 161 Navier Ltd
Introduction to Wastewater Treatment
 
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WTTRAINING.COM The website is still under construction. This Webinar covers: Introction to Wastewater Treatment Types of Contaminants Particle Stability Coagulation Flocculation Jar Test Captions are available
Testing Water for Nitrate
 
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Using a Hach DR3900 to test for Nitrate in water
Views: 54127 wildlandschoolvideo
Water Quality Technician - Durham College
 
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http://www.durhamcollege.ca/programs/water-quality-technician/ The Water Quality Technician program is designed to provide students with training in water and wastewater treatment, water distribution, wastewater collection and environmental monitoring. Students will receive the specific education required to develop the skills needed to meet the demands of municipalities with water and wastewater treatment systems, water-use industries and environmental monitoring agencies. Training focuses on: Engineering concepts; Environmental quality; Professional responsibility relating to co-workers, the public and regulators; and The impact that water quality has on human health. Targeted skills development includes: Chemistry and mathematics related to water quality, treatment and analysis; Conflict management, problem solving and effective communications; Emerging pathogen risks and public health concepts; Hydrology; Knowledge development in the areas of operation of water and wastewater systems; Microbiology; System design concepts and blue print reading; and Sampling, laboratory techniques and data interpretation. For more information, visit www.durhamcollege.ca or call 905.721.2000.
Views: 5136 DurhamCollege
Strategic Water – Bringing advanced data analysis and machine learning to the water sector
 
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Introducing Strategic Water, a software company for water technology providers that merges cutting-edge data science with water treatment technologies, in order to optimize performance and increase sales. Our mission is to bring advanced data analysis and machine learning solutions to the water sector, optimizing facilities, lowering costs and driving investments into new markets across the globe. For more information, visit our website or get in touch via the following media channels Website: https://www.strategicwater.be E-mail: [email protected] Twitter: https://twitter.com/strategicwater LinkedIn: https://www.linkedin.com/company/strategic-water
Views: 597 Strategic Water
CFD for the Water & Wastewater Industry: The benefits of real time simulation
 
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Which are the benefits of a CFD real time simulation? + A new perspective + The most intuitive way to understand dynamic processes + A cost-effective way to identify problems and find solutions Real time simulation, the future of fluid engineering! http://www.think-fluid-dynamix.com
Views: 159 THINK Fluid Dynamix
How Do Wastewater Treatment Plants Work?
 
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SUPPORT CR on PATREON: http://bit.ly/2qBHcvf It's a topic we'd rather not think about, where does last nights dinner go when we flush it down the drain? While you may already be grossed out just thinking about it, this question leads way to a significant subset of civil engineering and a massive amount of public funding. Just like all dogs go to heaven, all drains in a city lead to a wastewater treatment plant where that wastewater gets turned back into water that we can drink. Now, you may be thinking that you'd rather just let bygones be bygones and not think about this nasty part of real life, but here's the thing. Chances you've drunk water that was waste at some point... So, you might want to take some time to understand the engineering process that makes dirty water, clean. CREDITS: A big thank you to the Kilgore Wastewater Treatment Plant for letting me come out and film. Another big thank you to Dr. Low and LeTourneau University's Civil Engineering Department for helping coordinate the capture of this video. All images courtesy of Creative Commons or protected under Fair Use. For questions or concerns about the use of any media, please contact the page directly.
Views: 546479 Concerning Reality
Lecture 1 Introduction to Water & Waste Water Engineering
 
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Lectures Series on Water & Waste Water Engineering by Prof C.Venkobachar, Prof. Ligy Philip, Prof. B. S. Murty Department of Civil Engineering, IIT Madras. For more details on NPTEL visit http://nptel.ac.in
Views: 388267 nptelhrd
Determination of all Solids in Wastewater/Water | TDS | TS | TFS | TSS | VSS | FSS | VDS | FDS | TSS
 
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Solids: Solids refer to matter suspended or dissolved in water or wastewater. Solids may affect water or effluent quality in a number of ways. Water with high dissolved solids is generally of inferior palatability and may induce unfavourable physiological response (intestinal distress) in the transient consumer (i.e tourists). Highly mineralized waters are unsuitable for many industrial applications. High suspended solids content can also be detrimental to aquatic plants and animals by limiting light and deteriorating habitat. Definition of the possible solid fractions: Total solids - includes all solids present in a water sample. Determined directly by evaporating a known volume of an unfiltered water sample in a 105 oC oven. Total dissolved solids - includes all solids present in a water sample filtered through a 1.2 m m filter. Determined by evaporating a known volume of the filtrate sample in a 105 oC oven. Total suspended solids - includes all solids present in a sample that remain on a 1.2 m m filter. Determined by filtering a known volume of sample and placing the filter and filter container in a 105 oC oven for 24 hours to evaporate the water. Fixed solids - solids that remain after firing a sample in a 550 oC muffle furnace. Can be performed on total, dissolved, or suspended samples to determine - total fixed solids, fixed dissolved solids, or fixed suspended solids. Volatile solids - solids that removed by firing a sample in a 550 oC muffle furnace. Can be performed on total, dissolved, or suspended samples to determine - total volatile solids, volatile dissolved solids, or volatile suspended solids. typo @ 6.19min: Total Volatile solids = (W2 - W3)*1000/ Volume of sample taken How to reduce plastic usuage in day to day life? https://www.youtube.com/watch?v=km3SQKNjUbk Does Indians get enough water supply at home ? https://www.youtube.com/watch?v=bbSUUO1Mwwk How many Water molecules present in one litre of water bottle? https://www.youtube.com/watch?v=wQ4cKtcQKEo Learn Solid waste management easily in English and tamil ? https://www.youtube.com/watch?v=dntk_8GURt8 How to do composting at home ? https://www.youtube.com/watch?v=tO0jCDAIS6I Does Leaf is responsible for Life on earth ? https://www.youtube.com/watch?v=p_Gfw9HNgKY
Views: 11983 V Spotlights
Total Suspended Solids Test
 
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TSS testing measures the total concentration of suspended (non-soluble) solids in the aeration stabilization basin (ASB) or in effluents. The total suspended solids (TSS) data is critical in determining the operational behavior of a waste treatment system. It is usually a permitted test and solids must be kept at a minimum. http://ebsbiowizard.com/total-suspended-solids-tss-volatile-suspended-solids-vss/
Views: 93830 ebsbiowizardtv
Wastewater Treatment Process Control Testing
 
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Today we show how we at the Athens Wastewater Treatment Plant go through a day of process control testing to assure the best effluent quality control by doing a Settleometer test, Mixed Liquor Suspended Solids (MLSS), Volatile Suspended Solids, pH, Temperature, Dissolved Oxygen, Oxygen Reduction Potential (ORP) and visual inspection.
Views: 11748 Athens WWTP
Human Water Cycle: Wastewater
 
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Water. It's an essential building block of life, constantly moving in a hydrologic cycle that flows in a continuous loop above, across and even below the Earth's surface. But water is also constantly moving through another cycle -- the human water cycle -- that powers our homes, hydrates our bodies, irrigates our crops and processes our waste. The tight connection between water, food and energy makes them dependent on one another. Our increasing need for these three vital resources is forcing us to rethink how we manage and use our water supply. The National Science Foundation (NSF) has joined with NBC Learn, the educational arm of NBC News, to release a four-part video series, the "Human Water Cycle," that explores the connection between water, food and energy. Wastewater is what gets flushed down the toilet, rinsed down the drain, and produced by places such as factories, workplaces, and homes. Kartik Chandran at Columbia University is changing the perception of wastewater by treating it more efficiently and creating energy from resources found in it.
Introduction to Water - Technologies for Water and Wastewater Treatment
 
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“Introduction to Water" is a free online course on Janux that is open to anyone. Learn more at http://janux.ou.edu. Created by the University of Oklahoma, Janux is an interactive learning community that gives learners direct connections to courses, education resources, faculty, and each other. Janux courses are freely available or may be taken for college credit by enrolled OU students. Dr. David Sabatini is a David Ross Boyd Professor and Sun Oil Company Endowed Chair at the University of Oklahoma. Dr. Jim Chamberlain is an OU Water Center Staff Researcher. Video produced by NextThought (http://nextthought.com). Copyright © 2000-2014 The Board of Regents of the University of Oklahoma, All Rights Reserved.
Views: 2660 Janux
Standard Methods for Water and Wastewater NEW platform
 
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www.standardmethods.org Analysts, researchers, and regulators have relied on this peer-reviewed publication since 1905. The trusted source of accurate, proven methodology for analyzing natural waters, water supplies, and wastewaters. The 23rd edition of Standard Methods for the Examination of Water and Wastewater® contains over 400 laboratory methods for the analysis of Dissolved Solids Metals Free and Total Chlorine Odor, Taste, and Flavor Profile Analysis Disinfection By-products Radionuclides Total Organic Carbon Total and Fecal Coliform Laboratories worldwide rely on this comprehensive reference as the trusted source of accurate, proven methodology for analysis of water, water supplies, and wastewater. It is the essential resource for water analysis professionals.
Views: 135 AmericanWaterWorks
COD OF WATER
 
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Views: 36296 YVCR 9198
How Do Water Treatment Plants Work?
 
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For most everyone around the world, turning on your tap and getting fresh clean water is just a way of life. While this might seem to be a simple fact of modern civilization, it's a relatively new innovation in the timeline of human development. Access to fresh water is one of the largest drivers of creating a modern society, but what allows everyone access to seemingly endless supplies of potable water? It depends on where you live, but chances are behind your tap there's a municipal water treatment plant. There are two main types of water treatment plants: drinking water and wastewater plants. We'll be focusing in on drinking water plants here, but if you'd like to learn about how wastewater is treated, you can watch a video on the topic here. Both types of treatment plants serve the purpose of cleaning water, but in general, wastewater treatment plants will output water, or effluent, into streams or rivers and drinking water plants, or potable water treatment plants, will output their treated water into a city's pipe distribution network. The question still remains, how exactly does one treatment plant take dirty river or well water and turn it into water that is safe to drink? It involves a lot of processing using chemicals, filters, and removing all of the toxins and hazards from a given water source. Thanks to Pepperonin for supporting us on Patreon and making this video possible! Support us here: http://bit.ly/2qBHc All images and videos courtesy of the creative commons or used in accordance with fair use laws. For questions or concerns, please use the contact section on our channel. Music: CGI Snake by Chris Zabriskie is licensed under a Creative Commons Attribution license (https://creativecommons.org/licenses/by/4.0/) Source: http://chriszabriskie.com/divider/ Artist: http://chriszabriskie.com/ Divider by Chris Zabriskie is licensed under a Creative Commons Attribution license (https://creativecommons.org/licenses/by/4.0/) Source: http://chriszabriskie.com/divider/ Artist: http://chriszabriskie.com/ Namaste by Audionautix is licensed under a Creative Commons Attribution license (https://creativecommons.org/licenses/by/4.0/) Artist: http://audionautix.com/
Views: 94716 Concerning Reality
Waste Water Treatment -SCADA -  Plant-IQ
 
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Demo Waste Water Treatment SCADA System Raising your Plant-IQ
Views: 725028 mmassaNY
CFD in the Water & Wastewater Industry: Aeration Tank
 
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CFD time dependent analysis of the aeration in a tank reactor. This multiphase simulation uses a Euler-Euler approach to analyse the gas-liquid system. Thanks to this kind of CFD simulation, not only the velocity and the pressure field can be analysed but also the total air hold-up and standard oxygen transfer rate can be calculated.
Views: 1456 THINK Fluid Dynamix
Biological Characteristics of Water & MPN Test | Environmental Engineering | Part I
 
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APSEd Website: https://learn.apsed.in/ Enrol today in our site https://learn.apsed.in/ and get access to our study package comprising of video lectures, study material, practice questions and test series with doubt support for Civil Engineering competitive exams of GATE, ESE etc starting from Rs.1599! APSEd is an educational platform by IIT Bombay graduates. For queries, you can contact us by mail at [email protected] or alternatively contact us at +91-8610625642 Here I have tried to cover the biological characteristics of water including test for measurement of coliform bacteria such as Membrane Filter Technique and Most Probable Number (MPN) Test. Hello everyone, hope you liked the video. This is an educational platform set up IIT Bombay Graduates with an aim to prepare you for competitive exams like GATE, ESE, etc., and to widen your knowledge in Civil Engineering. You can also visit our website at https://www.apseduverse.com/ Facebook Page : https://www.facebook.com/APSED17/ Facebook Group : https://www.facebook.com/groups/172238780001215
Views: 41297 APSED
Industrial Water Treatment Systems  Video
 
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Sea Water Desalination Plant Mobile Reverse Osmosis Water Treatment System Open Channel Ultraviolet System
Views: 178446 Hilal Ozcelik
Lecture 2 Water and WasteWater Quality Enhancement
 
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Lectures Series on Water & Waste Water Engineering by Prof C.Venkobachar, Prof. Ligy Philip, Prof. B. S. Murty Department of Civil Engineering, IIT Madras. For more details on NPTEL visit http://nptel.iitm.ac.in
Views: 82991 nptelhrd
Primary treatment of wastewater
 
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Lecture on primary wastewater treatment. http://shomusbiology.weebly.com/ Download the study materials here- http://shomusbiology.weebly.com/bio-materials.html Primary treatment In the primary sedimentation stage, sewage flows through large tanks, commonly called "pre-settling basins", "primary sedimentation tanks" or "primary clarifiers".[9] The tanks are used to settle sludge while grease and oils rise to the surface and are skimmed off. Primary settling tanks are usually equipped with mechanically driven scrapers that continually drive the collected sludge towards a hopper in the base of the tank where it is pumped to sludge treatment facilities.[7]:9--11 Grease and oil from the floating material can sometimes be recovered for saponification. Screening: The influent sewage water passes through a bar screen to remove all large objects like cans, rags, sticks, plastic packets etc. carried in the sewage stream.[6] This is most commonly done with an automated mechanically raked bar screen in modern plants serving large populations, whilst in smaller or less modern plants, a manually cleaned screen may be used. The raking action of a mechanical bar screen is typically paced according to the accumulation on the bar screens and/or flow rate. The solids are collected and later disposed in a landfill, or incinerated. Bar screens or mesh screens of varying sizes may be used to optimize solids removal. If gross solids are not removed, they become entrained in pipes and moving parts of the treatment plant, and can cause substantial damage and inefficiency in the process.[7]:9 Grit removal: Pretreatment may include a sand or grit channel or chamber, where the velocity of the incoming sewage is adjusted to allow the settlement of sand, grit, stones, and broken glass. These particles are removed because they may damage pumps and other equipment. For small sanitary sewer systems, the grit chambers may not be necessary, but grit removal is desirable at larger plants.[7] Grit chambers come in 3 types: horizontal grit chambers, aerated grit chambers and vortex grit chambers. Source of the article published in description is Wikipedia. I am sharing their material. © by original content developers of Wikipedia. Link- http://en.wikipedia.org/wiki/Main_Page
Views: 221542 Shomu's Biology
Sewage Treatment Introduction | Waste Water Engineering
 
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APSEd Website: https://learn.apsed.in/ Enrol today in our site https://learn.apsed.in/ and get access to our study package comprising of video lectures, study material, practice questions and test series with doubt support for Civil Engineering competitive exams of GATE, ESE etc starting from Rs.1599! APSEd is an educational platform by IIT Bombay graduates. For queries, you can contact us by mail at [email protected] or alternatively contact us at +91-8610625642 This video covers an introduction to sewage treatment and classification of treatment methods along with the brief overview of various treatment steps. It also covers the different types of settling. You can also visit our website at https://www.apseduverse.com/ Facebook Page : https://www.facebook.com/APSED17/ Facebook Group : https://www.facebook.com/groups/172238780001215
Views: 45642 APSED
5 Common Questions on Water Treatment Operator Certification Exam
 
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For more practice problems: https://www.waterandwastewatercourses.com/ To enroll in a test-prep course, click here: https://water-and-wastewater-courses.teachable.com/p/water-treatment-operator-certification Latest blog post: https://www.waterandwastewatercourses.com/test-questions-water-treatment-operator-certification-exam/ . This video covers 5 common types of questions on the Water Treatment Operator Certification Exam. This video is intended for newer operators studying for the first 2 certification levels.
Collecting Water Samples for Mercury Analysis
 
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This video supports The Sampling guide for the collection of dragonfly larvae, water and sediment samples from National Parks for mercury analysis. This water sampling video is split into equipment, when to sample, where to sample, how to sample, and storage and shipment of your sample.
Problem Solved: BOD Problem - Wastewater Math
 
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http://americanwatercollege.org This question comes from the California Wastewater grade 3 certification exam sample questions that can be found here: http://www.swrcb.ca.gov/water_issues/programs/operator_certification/docs/3ques.pdf The problem reads: A secondary effluent has a total BOD of 45 mg/L. A BOD5 test is run on this same secondary effluent at the same time using a nitrification "inhibitor". Using the data for this test is given below, calculate the nitrogenous BOD (Assume a 300 mL BOD bottle is used to run this test).
Views: 92663 American Water College
CFD in water & wastewater treatment: Mixing tanks, tracer dispersion
 
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CFD (Computational Fluid Dynamics) simulation of the dispersion of a tracer in stirred tank reactors equipped with vertical mixers. This simulation is multiphase modeled (VOF). Time regime is transient, rotation is modeled using the "Sliding Mesh Model". CFD Simulation carried out by INVENT Environmental Technologies, Inc. http://invent-uv.de/ http://www.invent-et.com/
Analysis Of Wastewater For Reuse In Agriculture
 
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Lecture by Duncan Mara on the parasitological and Bacteriological Analysis of wastewater for use in Agriculture
Views: 791 Andrew Sleigh
Water Resource Recovery Facility 3D Virtual Tour
 
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This virtual tour of a water resource recovery facility—commonly called a wastewater treatment plant—discusses how these facilities recycle the water and waste we flush down the drain. Water resource recovery facilities can also recover nutrients, generate energy, and create biosolids for use as fertilizer. This tour takes viewers through primary, secondary, and advanced treatment as well as the plant headworks and biosolids treatment process. It was developed by the Water Environment Federation and Gage 3D Studios (www.gage3d.com).
Wastewater microscope analysis 12-07-2010
 
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Aeration Basin Microscopic Analysis on 12-07-2010
Views: 2163 wastewater1206
Wastewater Microbiology
 
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This video describes the importance of using wastewater microbes as indicator organisms to help optimize your wastewater treatment system.
Views: 180398 Steven Myers
Determination of Electrical conductivity in wastewater/ water | Tutorial
 
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In this video, you can learn about the principle, working and significance of EC test in STP and WTP.
Views: 680 V Spotlights
Sewage Treatment | primary, secondary and tertiary treatment of wastewater
 
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sewer system how it works,a schematic view of wastewater treatment system from sewage generation to effluent disposal.
Views: 154761 Civil Delights
WEBINAR: Water and Sewer Rates Analysis Tool
 
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Does your system charge your customers the correct amount for water? This webinar will help systems answer this question by demonstrating the Water & Sewer Rates Analysis Model, an Excel tool developed by the Environmental Finance Center at The University of North Carolina. This free, basic cash-flow modeling tool allows water systems to input their current rate structure, estimates on number of customers and water use, and the expected costs for the system. The tool then automatically projects the end-of-year fund balance for the next several years, indicating whether revenues will be high enough to cover expected expenses. Users can then enter in another rate structure and compare the end-of-year fund balance side-by-side to the one projected using current rates. This allows users to try out scenarios of adjusting their rates to meet their financial goals in the next few years, and can help users determine whether they need to adjust rates, and by how much, in order to achieve financial sufficiency. The tool can be used by systems that set volumetric charges for water as well as systems that only charge flat monthly fees.
Analyzing Water Samples for Total Phosphorus
 
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Analyzing water samples for total phosphorus at the Wisconsin State Laboratory of Hygiene. Total P_4_Hurley Revisions.mov
Views: 8229 Wisconsin Sea Grant
How to set up a wastewater analysis programme
 
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Are you a researcher interested in finding out more about setting up your wastewater analysis programme? Wastewater analysis is a rapidly developing scientific discipline that provides data on geographical and temporal trends in illicit drug use. Put your city on the map and join a network of more than 70 cities in an annual data collection. Read more: http://www.emcdda.europa.eu/topics/wastewater-analysis Music: Alessandro Pirona.
Views: 304 EMCDDA
Membrane filtration to test for faecal contamination of water samples
 
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Thermotolerant faecal coliforms are indicator bacteria, which can form colonies at 44 degrees centigrade and can provide evidence of faecal contamination of water. Membrane filtration is a means of testing the quality of water. This film presents an overview of the process. Water is filtered though a membrane having pore sizes smaller than the size of a bacterium. As water is filtered, bacteria are collected on the surface of the membrane. The bacteria can then be incubated to produce visible colonies suitable for analysis.
Views: 18585 WEDC Publications

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