). In oil production, natural gas strippers are used accordingly to remove oxygen from the water re-injected into wells. Photo 3. Enchova (Brazil) plant for Petrobras. Output: 2 × 270 m3· h–1. Seawater...

and allowing up to 30 cells to be installed in series and specific consumption levels of approximately 80 kcal·kg–1 of distilled water to be achieved, in the knowledge, however, that recirculation (9...

% impermeabilisation, site: mass discharged in t · year–1 by the plant and by the combined or separate systems Table 33. Average for 10 catchment basins in the Paris (France) region showing the annual input...

3· d–1 – Refurbishment Incorporating the Cristal process (PAC + UF, see section membrane processes) downstream from a clarification system (e.g. Vigneux, France). Converting sand filters...

Water’s structure depends on its physical state. Its gaseous state (vapor) precisely matches the H2O formula and particularly the angular model (figure 1). Figure 1 & Figure 2. Water...

of residual disinfectant. Figure 12. Cristal: operating diagram Among this type of plant, we can quote the following examples can be referenced: Koper (Slovenia): 34,500 m3·d–1; l...

). Note: Preliminary flocculation of the sludge using a few mg· L^-1of polymer (flocculation carried out in situ in the scoop) will produce homogenous pellets of sludge that can be easily...

– (1) These stages involve a very wide range of heterotrophic species: exclusively or optionally anaerobic. This initial phase produces a mixture of volatile fatty acids (VFA): acetic, lactic...

). reverse osmosis To achieve a salinity less than 200 mg/l and a bromide content less than 0.1 mg/l, the SUEZ RO design incorporates a double pass. 1st pass: 12 trains, fitted with 162 Pressure...

: 23 horizontal pressure filters Filtration rate : 11-14 m/h Filtering media : 0.55 mm sand and 1.65 anthracite 16 horizontal pressure filters Filtration rate : 17-19 m...

, semi-buried or in a container. See photos 13.1 and 13.2 : Photo 13.1. Element ready for fitting inside a container Photo 31.2. S&P system biodiscs – Semi-buried system – Carreyrat...

phases and especially on the affinity existing between their interfaces (more or less hydrophobic). Typical terminology refers to average bubbles measuring 2 to 4 mm, fine bubbles a few µm to 1 mm and...

; a sludge storage compartment; an electric protection and control cabinet. Photo 15.1. UCD® ASC Figure 40.1. UCD® ASC diagram UCD® SBR   The UCD® SBR is a Sequenced Biological...

relative thermal conductivity magnitudes: steel 15 kcal·m–2·h–1 per degree C CaSO4 1 to 2 kcal·m–2·h–1 per degree C CaCO3 0.5 to 1 kcal·m–2·h–1 per degree C SiO2 0.2 to 0.5 kcal·m–2·h–1 per...

and which, therefore, will be used to illustrate the type of treatment strategy that needs to be applied. Photo 15. Morsang-sur-Seine (France) DWTP (phase II) – Capacity 75,000 m3 · j–1...

study of natural sedimentation and desludging Waters that have a high suspended solids content (over 2 g · L-1) often require a preliminary coarse screening. Sedimentation in test tubes...

.85; 1 kW motor r = 0.70; For a given motor, the efficiency quoted by the constructor refers to full-load operation; it will drop slightly with the load. Example of a 50 kW motor : ρ = 0.85 at 4...

orders of 1 for each of the reactants : where: K is the reaction rate constant, n is the stoichiometric coefficient, [M] ([O3]) is the concentration of compound M (in the dissolved ozone), and r...

by simple sand filtration using material with a homogenous particle size (suspended solids concentration at a Densadeg outlet are always well below 10 mg · L–1). The Hanningfield (UK) plant (230,000 m3·d–1...

of a conventional recessed plate filter press (figure 40) Figure 40. Simplified diagram of a filter press A filter consists of an array of vertical, recessedplates (1) that are juxtaposed and held firmly...