Wastewater Engineering

1. Wastewater Engineering: An Overview 2. Constituents in Wastewater 3. Analysis and Selection of Wastewater Flowrates and Constituent Loadings 4. Introduction to Process Analysis and Selection 5. Physical Unit Operations 6. Chemical Unit Processes 7. Fundamentals of Biological Treatment 8. Suspended Growth Biological Treatment Processes 9. Attached Growth and Combined Biological Treatment Processes 10. Anaerobic Suspended and Attached Growth Biological Treatment Processes 11. Advanced Wastewater Treatment 12. Disinfection Processes 13. Water Reuse 14. Treatment, Reuse, and Disposal of Solids and Biosolids 15. Issues Related to Treatment-Plant Performance Appendixes A Conversion Factors B Physical Properties of Selected Gases and the Composition of Air C Physical Properties of Water D Solubility of Dissolved Oxygen in Water as a Function of Salinity and Barometric Pressure E MPN Tables and Their Use F Carbonate Equilibrium G Moody Diagrams for the Analysis of Flow in Pipes

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Water and wastewater engineering , Water and wastewater engineering , مرکز فناوری اطلاعات و اطلاع رسانی کشاورزی

Sustainable Treatment and Reuse of Municipal WastewaterHydraulic Fracturing WastewaterIntroduction to Environmental EngineeringWastewater Treatment PlantsWastewater EngineeringWater ReuseSolution Manual for Use with Wastewater EngineeringWastewater Treatment for Pollution Control and ReuseWater ReuseWastewater EngineeringWastewater Reuse and Current ChallengesWastewater Engineering: Treatment and ReuseWater and Wastewater Engineering: Design Principles and Practice, Second EditionHigh-Risk Pollutants in WastewaterWastewater Engineering: Treatment and ReuseAdvances in Water and Wastewater TreatmentWastewater engineeringWastewater Treatment and Reuse, Theory and Design Examples, Volume 1Water Renovation and ReuseHandbook of Wastewater Reclamation and ReuseWastewater Treatment EngineeringWastewater Reclamation and ReuseLand Treatment Systems for Municipal and Industrial WastesFundamentals of Wastewater Treatment and EngineeringWaste Water Treatment and Reuse in the Mediterranean RegionIndustrial Wastewater Treatment, Recycling and ReuseFair, Geyer, and Okun's, Water and Wastewater EngineeringWastewater EngineeringWastewater Engg.: Treatmt & ReWastewater Treatment and ReuseWastewater EngineeringWastewater EngineeringWaste Water EngineeringWastewater Treatment, Plant Dynamics and Management in Constructed and Natural WetlandsWastewater EngineeringWater and Wastewater EngineeringAdvanced Oxidation Processes for Water TreatmentAdvanced Treatment Technologies for Urban Wastewater ReuseWastewater EngineeringWastewater Treatment and Reuse – Present and Future Perspectives in Technological Developments and Management Issues This volume offers a detailed overview of currently applied and tested wastewater treatment technologies and the integration of advanced processes to remove trace organic contaminants and microorganisms. It discusses the potential of enhanced biological treatment to produce effluent suitable for reuse, new processes for urban wastewater disinfection and the reduction of antibiotic resistant bacteria, as well as the effect of advanced oxidation processes on wastewater microbiome and chemical contaminants. It also presents membrane bioreactors, moving bed bioreactors, light and solar driven technologies, ozonation and immobilised heterogeneous photocatalysis and provides an evaluation of the potential of constructed wetlands integrated with advanced oxidation technologies to produce wastewater safe for reuse. Furthermore, the volume discusses water reuse issues and standards, the status of membrane bioreactors applications, and the treatment of reverse osmosis concentrate for enhanced water recovery during wastewater treatment. Finally, it presents recent developments in potable water reuse and addresses various important issues in this framework, like the proper protection of public health, reliability and monitoring. This volume is of interest to experts, scientists and practitioners from various fields of research, including analytical and environmental chemistry, toxicology and environmental and sanitary engineering, as well as treatment plant operators and policymakers.This volume discusses the current challenges related to the reuse of wastewater. It reviews the analytical methodologies for evaluating emerging contaminants and their transformation products, the sensitivity of various bioassays for assessing the biological effects of treated wastewater, and the bioavailability and uptake of organic contaminants during crop irrigation. It describes in detail the physicochemical and microbiological alterations in soil resulting from irrigation with treated urban wastewater, and discusses our current understanding of antibiotic resistance in wastewater treatment

Written by leading researchers and practitioners, this new book guides its readers in the development and use of dynamic models in wastewater engineering. The models represent quantitative descriptions of physical, chemical, and biological processes. These models will facilitate the design and operation of treatment facilities, and will provide assistance in training engineers and plant operators. The book also describes the application of expert systems, i.e., computer programs which allow non-experts to use the knowledge of an expert system to solve problems and make decisions. These expert systems show how to effectively handle qualitative information. Combining Dynamic Modeling and Expert Systems in one book makes powerful tools for solving complex wastewater engineering problems. Basic concepts illustrated with a wide range of applications are in included.

Water and wastewater engineering , Water and wastewater engineering , کتابخانه دیجیتال جندی شاپور اهواز

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Bioreduction of Fe(III) and biooxidation of Fe(II) can be used in wastewater engineering as an innovative biotechnology BioIronTech, which is protected for commercial applications by US patent 7393452 and Singapore patent 106658 "Compositions and methods for the treatment of wastewater and other waste". The BioIronTech process comprises the following steps: 1) anoxic bacterial reduction of Fe(III), for example in iron ore powder; 2) surface renovation of iron ore particles due to the formation of dissolved Fe 2+ ions; 3) precipitation of insoluble ferrous salts of inorganic anions (phosphate) or organic anions (phenols and organic acids); 4) (bio)oxidation of ferrous compunds with the formation of negatively, positively, or neutrally charged ferric hydroxides, which are good adsorbents of many pollutants; 5) disposal or thermal regeration of ferric (hydr)oxide. Different organic substances can be used as electron donors in bioreduction of Fe(III). Ferrous ions and fresh ferrous or ferric hydroxides that are produced after iron bioreduction and (bio)oxidation adsorb and precipitate diferent negatively charged molecules, for example chlorinated compounds of sucralose production wastewater or other halogenated organics, as well as phenols, organic acids, phosphate, and sulphide. Reject water (return liquor) from the stage of sewage sludge dewatering on municipal wastewater treatment plants represents from 10 to 50% of phosphorus load when being recycled to the aeration tank. BioIronTech process can remove/recover more than 90% of phosphorous from this reject water thus replacing the conventional process of phosphate precipitation by ferric/ferrous salts, which are 20-100 times more expensive than iron ore, which is used in BioIronTech process. BioIronTech process can remarkably improve the aerobic and anaerobic treatments of municipal and industrial wastewaters, especially anaerobic digestion of lipid- and sulphate-containing food-processing wastewater. It can also remove the recalcitrant compounds from industrial wastewater, enhance sustainability and quality of water resources, restore eutrophicated lakes due to removal of phosphate, ammonium, and pesticides from water, and recover ammonium and phosphate from municipal and food-processing wastes.

By studying closed-ended technical problems, upper-undergraduate and early graduate environmental engineering students may not appreciate the importance of the nontechnical aspects of sanitation or the critical interrelationship between technical and nontechnical components. A module on sanitation engineering for the developing world was created and implemented in a senior/graduate level wastewater engineering course. Students developed case studies as a means to broaden and deepen their understanding of nontechnical issues of wastewater engineering. The case studies focused on developing countries, but the perceptions, treatment methods, and nontechnical issues are also relevant in developed countries. The goal was to increase student appreciation for the technical and nontechnical complexities and their interplay when designing and implementing sanitation systems in both the developed and developing world. Based on tests administered before and after case-study development, statistically significant change was observed in the students' understanding of technical and nontechnical sanitation issues. This paper presents the module design and implementation, assessment instruments and a detailed statistical and qualitative analysis of the module's impact in the first classroom implementation.