water, according to water temperature, for an atmosphere of 1,000mb. Figure 5. Oxygen content in natural water, according to water temperature, for an atmosphere of 1000mb. Depending upon...

contains certain pollutants from categories 1 and 2 and that synthetic pollutants play a very important role. One also needs to recall that the main treatments applicable to this category of water tend...

This petrochemical plant receives ground water that is saline and hard after carbonate removal (1 200 m3·h–1), filtration, reverse osmosis (1 000 m3·h–1), followed by demineralisation (300 m3·h–1...

The selection of a type of screen or strainer will depend on its location and on target bar-screening quality. Table 1 provides the main features of these types of screen. Table 1. Bar...

Positioned after any of the above units or direct on clear groundwater, this is a small polishing unit that comprises one or two pressure GAC filters operating at approximately 6 vol · vol–1·h–1...

Cylindrical (steel) or cubes (concrete), these appliances are equipped with a propeller-operated mixer that has a high speed of rotation (figure 1). Due to construction constraints, contact time...

using a simple triangular model, has the peculiarity of having an interatomic angle of 105° (a characteristic angle with a tetrahedral geometry: see figures 1 and 2 below) due to the electrical negativity...

. Mobile flotation unit Output: 10 m3·h–1 Comment on floatation cells that do not implement gas relaxation: Dissolved air floatation cells must not be mistaken for devices where water...

processes, is extensive, especially when these are combined with sludge treatment lines (see general sludge treatment lines in figure 1). Nevertheless, the designer of a municipal wastewater treatment plant...

be regarded as forming a separate world, on the boundary between life and inert matter. We provide below a simplified table for each kingdom (tables 1 to 5) that only shows certain subdivisions (branch, class...

The module’s configuration limits the recovery rate that can be applied (table 1). The importance attributed to this rate was emphasized in the section membrane separation. Table 1. Usable...

Figure 9. Scheme Panama (Panama) plant Photo 14. Panama (Panama) plant 1 Photo 15. Panama (Panama) plant 2 ...

Tables 1 and 2 following indicate possible process and technology choices based on the size of the community and on the treatment targets concerned; these choices will depend on whether few...

SUEZ has designed two systems that are cost-effective for plant discharging approximately 8 hydrojets per day (i.e. approximately 5 t · d–1 of pulp) to which has to be added the grit produced...

corrosion agent : below 1 mg · L–1, and in soft water that has a close to neutral pH, a passive steel condition may occur; for concentrations of between 1 and 4-6 mg · L–1, corrosivity of water...

a fluid, hence the term "fluidisation". In practice, when a granular mass having a uniformity coefficient of 1 is placed in a column and subjected to increasingly high velocities, we obtain the results...

of the unit. The fluids flow through the sampling outlets in the upper section of the resin bed (figure 1). Regeneration balances show that this method can provide treated water with satisfactory quality...

specific to each filter in the battery (normally a control valve or otherwise a partialized siphon). key figures Great water depth over the filtering bed: 1.20 m to 1.60 m of water Filtering...

Figure 7. Scheme As Samra, Amman (Jordan) plant Photo 12. Scheme As Samra, Amman (Jordan) plant -1 Photo 13. Scheme As Samra, Amman (Jordan) plant -2 ...

and an electrical turbine. It transforms the final sludge treatment equipment into an alternative energy source. Thermylis 2R best applies incineration systems above 1,000,000 PE (best economic evaluation...