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Degremont Water Treatment Handbook 7th Edition Pdf
Volume 1 1. Water, a fundamental element. 2. Treatment, what type of water and why? 3. Basic phsyysical-chemical processes in water treatment. 4. Basic biological processes in water treatment. 5. Methods and means of analysis.. 6. Aquatic organisms. 7. The effects of water on materials. 8. Formulae digest. Volume 2 9. Preliminary treatment systems. 10. Flocculation - settling - flotation. 11. Aerobic biological processes. 12. Methane fermentation. 13. Filters. 14. Modern ion exchange methods. 15. Separation by membranes. 16. Deaeration, stripping, evaporation. 17. Oxidation - Disinfection. 18. Thickening and stabilization of sludge. 19. Sludge treatment. 20. Storage and feeding of reagents. 21. Measurement, control, automation and supervision. 22. Treatment of drinking water. 23. Treatment of swimming pool water. 24. Municipal wastewater treatment. 25. Treatment and conditioning of industrial water. 26. Industiral processes and the treatment fo wastewater.
This book is the international reference work in the field of water treatment. This new version, completely revised and updated, incorporates major technological advances of these last fifteen years: membrane separation, development of fixed and mixed cultures, sludge drying and incineration, and reduced sludge production. Without forgetting automation-related issues, such as control-regulation and maintenance assistance. A total of five chapters are dedicated to treatment channels. The aim was to offer engineers an everyday aid by summarising the basics in water treatment.
The Water Treatment Handbook assembles the sum of Degrémont know-how to date and takes into account changes in new problem areas in water treatment such as conservation of fresh water resources, health safety and waste management.
The company is also involved in the treatment of sewage and sludge, which is a growing problem for urban areas in particular. It relies on a range of different technologies including physical, chemical or biological treatments, ozonization, membrane bioreactors, sand filters etc. Most wastewater is treated for use in irrigation or for use in industrial cooling systems.Degrémont has built 2,500 sewage treatment plants with the capacity to recycle 2.4 million cubic meters per day.
Sludge treatment is focused, first, on reducing the volumes of sludge produced and, second, processing it for reuse, mainly in agriculture. This is done through digestion, incineration, thickening, dewatering or drying, all of which can also lead to biogas recovery for use in energy production.
Degrémont estimates that 1 billion people[1] are served by its 10,000 facilities around the world. These include 3,000 drinking water plants and 2,500 water treatment stations for urban wastewater.It carries out its activities using a number of different business models.
Sedimentation is a physical water treatment process used to settle out colloidal and suspended solids in water under the influence of gravity. It is one of the widely used conventional water treatment methods. The terms sedimentation and settling are used interchangeably. A sedimentation basin is also referred to as a sedimentation tank, settling basin, or settling tank and as a clarifier. The process of removal of turbidity caused by fine suspended solids, colloidal impurities, and organic color from the raw water is termed as clarification which comprises coagulation, flocculation, and sedimentation steps.
There are three basic geometrical shapes commonly used for sedimentation basins in water treatment: rectangular, circular, and square. The choice of selection of the shape of the basin mainly depends on the site conditions. Various configurations in each type of geometrical shape are presented along with their appurtenances. The high-rate clarifiers such as lamella clarifiers and tube settlers are also discussed. Comparison of various clarification systems such as lamella clarifier and sludge blanket clarifiers is also made with a detailed description on pulsator clarifier. 2ff7e9595c
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