Author : Haestad Methods, Inc
Publisher :
Page : 648 pages
File Size : 30,14 MB
Release : 2004
Category : Computers
ISBN :
Disc 1 contains an academic version of SewerCAD stand-alone software, featuring exam booklet for continuing eduction credits, and user manual.
Author :
Publisher :
Page : 606 pages
File Size : 12,43 MB
Release : 2007
Category : Sewage disposal plants
ISBN : 9781628709490
Author : Thomas M. Walski
Publisher :
Page : 606 pages
File Size : 15,71 MB
Release : 2004
Category : Sewage disposal plants
ISBN : 9781934493038
Author : Water Environment Federation
Publisher : McGraw Hill Professional
Page : 417 pages
File Size : 48,96 MB
Release : 2013-09-12
Category : Technology & Engineering
ISBN : 0071798439
The Most Complete, Up-to-Date Guide to Process Modeling Methods and Protocols Fully revised to cover the latest advances in the field, Wastewater Treatment Process Modeling, Second Edition, explains general modeling concepts and terminology and offers practical details on how to use process models for the design and operation of small, medium, and large water resource recovery facilities. This Water Environment Federation manual describes each step of the modeling process, including the fundamental math required, overviews of existing models and when to use them, modeling protocols, and how to interpret data. The detailed information in this authoritative volume helps to ensure that process models are developed, used, and documented correctly. Coverage includes: History of process modeling Modeling fundamentals Unit process model descriptions Process modeling tools Dedicated experiments and tools Overview of available modeling and simulation protocols Project definition Building a facility model Using models for design, optimization, and control
Author : Xiaolong Wang
Publisher :
Page : 165 pages
File Size : 49,65 MB
Release : 2020
Category : Sewage disposal plants
ISBN :
Wastewater collection systems, among the oldest features of urban infrastructure, are typically dedicated to collect and transport wastewater from users to water resource recovery facilities (WRRFs). Since the 1970s, wastewater engineers and scientists have come to understand that wastewater collection systems can bring benefits for urban water and energy networks, including thermal energy recovery and converting pipelines to bioreactors. However, there is little knowledge about the temporal and spatial changes of collection systems parameters that are important for these applications. Furthermore, the vast majority of existing studies of these applications have focused on laboratory or extremely small-scale systems; there have been few studies about beneficial applications associated with large-scale systems. The purpose of this study is to increase our understanding of how urban wastewater collection systems can bring potential benefits to urban water and energy systems. Models describing wastewater hydraulics, temperature, and water quality can provide valuable information to help evaluate thermal energy recovery and wastewater pretreatment feasibility. These kinds of models, and supporting data from a case study, were used in this study; sizes of the theoretical wastewater collection systems range from 2.6 L/s to 52 L/s, and the sample locations of the case study had flows ranging from 2.3 L/s to 24.5 L/s. A cost-benefit analysis of wastewater source heat pumps was used to evaluate the thermal energy recovery feasibility for different sizes of wastewater collection systems. Results show that the large collection system can support a large capacity heat pump system with a relatively low unit initial cost. Small collection systems have a slightly lower unit operating cost due to the relatively high wastewater temperature. When the heat pump system capacity design was based on the average available energy from the collection system, larger systems have lower payback times; the lowest payback time is about 3.5 years. The wastewater quality model was used to describe the dissolved oxygen (DO) and organic matter concentrations changes in the collection system. The model provides a framework for predicting pretreatment capability. Model results show that DO concentration is the limiting parameter for organic matter removal. Larger collection systems can provide more organic matter removal because they provide relatively longer retention times, and they offer the potential for greater DO reaeration. The model can also be used to identify environmental conditions in sewer pipelines, providing information for potential issues predication.
Author : Lawrence K. Wang
Publisher : John Wiley & Sons
Page : 821 pages
File Size : 16,66 MB
Release : 2024-04-30
Category : Technology & Engineering
ISBN : 1394179103
The classic guide to water and wastewater engineering returns Water and wastewater engineering is a crucial branch of civil engineering, dealing with water resources and with the challenges posed by water and wastewater. Generations of engineers have developed techniques for purifying, desalinating, and transforming water and wastewater, techniques which have only grown more critical as climate change and global population growth create new challenges and opportunities. There has never been a more urgent need for a comprehensive guide to the management of water and its various engineering subdisciplines. Water and Wastewater Engineering: Hydraulics, Hydrology and Management, 4th edition offers key fundamentals in a practical context to engineers and engineering students. Updated to address growing urbanization and industrialization, with corresponding stress on water and wastewater systems, this vital textbook has been fully revised to reflect the latest research and case studies. This volume focuses primarily with hydrology and hydraulics, along with chapters treating groundwater and surface water sources. Readers of Hydraulics, Hydrology, and Management will also find: • Coverage of water supply, water sources, water distribution, and more • Detailed treatment of both sanitary sewer and urban stormwater drainage • In-depth analysis of infrastructure issues with respect to water resources, pumping, and handling This textbook is ideal for advanced students in civil, environmental, and chemical engineering departments, as well as for early career engineers, plant managers, and urban and regional planners.
Author : Water Environment Federation
Publisher : McGraw Hill Professional
Page : 271 pages
File Size : 33,84 MB
Release : 2009-10-09
Category : Technology & Engineering
ISBN : 0071666648
The Latest Methods for Managing Wastewater Collection Systems This Water Environment Federation resource provides up-to-date guidance on the oversight of wastewater collection systems, including gravity sewers, pumping stations, force mains, and other sewer-conveyance-related facilities. This authoritative volume offers strategies for developing a comprehensive asset-management program that encompasses capacity, management, operations, and maintenance (CMOM) principles as well as the business, engineering, human resource, and communications aspects of a wastewater collection systems project. Wastewater Collection Systems Management, Sixth Edition covers: System operations and maintenance Information management Collection system assessment and capital improvement planning System design considerations Construction contracting Public policy and community relations Budgeting and financial planning Safety, standard procedures, training, and certifications Emergency preparedness and security
Author : David M. Robbins
Publisher : IWA Publishing
Page : 148 pages
File Size : 46,30 MB
Release : 2014-03-15
Category : Science
ISBN : 178040476X
This is a practical handbook providing a step-by-step approach to the techniques used for characterizing wastewater sources and investigating sites where collection, treatment and reuse/disposal technologies will be installed. It is intended to help enable local implementation of on-site and decentralized wastewater management system (DWMS)for wide scale use in development settings. How to Design Wastewater Systems for Local Conditions in Developing Countries helps local service providers and regulatory officials make informed decisions through the use of tools, checklists and case studies. It includes a link to a web based community of on-site and decentralized wastewater professionals, which contains related tools and case studies. This handbook serves as a reference for training classes, certification programs, and higher education programs in civil and sanitary engineering. There is an increasing interest on the part of local government officials and private sector service providers to implement wastewater treatment systems to solve sanitation problems. The model presented in this handbook promotes activities that first generate data related to source and site conditions that represent critical inputs, and then applies this information to the technology selection process. Matching the most appropriate technologies to the specific needs of the wastewater project is the key that leads to long term sustainability. How to Design Wastewater Systems for Local Conditions in Developing Countries is an invaluable resource for public sector decision makers and private sector service providers in developing countries. It is also a useful text for students at engineering colleges in developing countries interested in taking a class that teaches the methods of decentralized wastewater management system (DWMS) development.
Author : Lee Cesario
Publisher :
Page : 336 pages
File Size : 24,90 MB
Release : 1995
Category : Science
ISBN :
Author : Leiv Rieger
Publisher : IWA Publishing
Page : 287 pages
File Size : 22,15 MB
Release : 2012-09-14
Category : Science
ISBN : 1843391740
Mathematical modelling of activated sludge systems is used widely for plant design, optimisation, training, controller design and research. The quality of simulation studies varies depending on the project objectives, finances and expertise available. Consideration has to be given to the model accuracy and the amount of time required carrying out a simulation study to produce the desired accuracy. Inconsistent approaches and insufficient documentation make quality assessment and comparison of simulation results difficult or almost impossible. A general framework for the application of activated sludge models is needed in order to overcome these obstacles. The genesis of the Good Modelling Practice (GMP) Task Group lies in a workshop held at the 4th IWA World Water Congress in Marrakech, Morocco where members of research groups active in wastewater treatment modelling came together to develop plans to synthesize the best practices of modellers from all over the world. The most cited protocols were included in the work, amongst others from: HSG (Hochschulgruppe), STOWA, BIOMATH and WERF. The goal of the group is to set up an internationally accepted framework to deal with the ASM type models in practice. This framework shall make modelling more straightforward and systematic to use especially for practitioners and consultants. Additionally, it shall help to define quality levels for simulation results, a procedure to assess this quality and to assist in the proper use of the models. The framework will describe a methodology for goal-oriented application of activated sludge models demonstrated by means of a concise guideline about the procedure of a simulation study and some illustrative case studies. The case studies shall give examples for the required data quality and quantity and the effort for calibration/validation with respect to a defined goal. The final report will include an extended appendix with additional information and details of methodologies. Additional features in Guidelines for Using Activated Sludge Models include a chapter on modelling industrial wastewater, an overview on the history, current practice and future of activated sludge modelling and several explanatory case studies. It can be used as an introductory book to learn about Good Modelling Practice (GMP) in activated sludge modelling and will be of special interest for process engineers who have no prior knowledge of modelling or for lecturers who need a textbook for their students. The STR can also be used as a modelling reference book and includes an extended appendix with additional information and details of methodologies. Scientific and Technical Report No. 22
