Figures 1 and 2 regroup respectively the stages applicable primarily in water pre-treatment and then in the water’s complete treatment and, if applicable, its polishing ... As previously noted, groundwater sources “influenced by surface water” must also be included in this category. Figures 1 and 2 respectively, group the basic treatment stages applicable primarily...

The Carbazur Is a downflow filter with level control. It uses Granular Activated Carbon (GAC) filtration material over a height of 1.2 to 2.5 m (normal range). The water to be filtered is brought ... (usually 1.2 m) ...

, thiosulphate or bisulphite in polishing. key figure Speed guarantee 2.1 m/s among references Doha West (Qatar) 650,000 PE – Azurair B+C Lusail (Qatar) 250,000 PE – Azurair B+C Panama ... Chemical washing, the most efficient treatment for odor molecules Flexible: 1 to 3 towers Effectiveness Reliability even in case of in case of inlet variation In cases of high...

The water molecule’s formation enthalpy, which is 242 kJ · mol-1 (0.1 MPa; 298.15 K), is high. Consequently, water is extremely stable. This stability, associated with its electrical properties, its...

against bacteria Treatment of 1 million PE by ultrafiltration membrane 10 years of parternship with GE company New generation of membrane allowing 30% of energy saving on aeration among ... (irrigation, watering city parks and gardens, etc.), Compact size reduces the environmental footprint A totally automated operation assures the safety of operating partners 1st sept towards...

compared to line without digestion among references Gabal (Egypt) – 1,800,000 PE La Farfana (Chile) – 3,000,000 PE Achères (France) – 6,500,000 PE La Feyssine (France) – 300,000 PE ... The Digelis™ is a 1 stage anaerobic digestion process for sludge (between 35°C and 37°C) coming from urban wastewater treatment plant. ...

, for instance, the flow rate of the water to be treated, or even by two parameters such as flow rate and pH. Extremely variable output (a few cm3·h–1 to a few m3·h–1) pumps are available on the market...

to 1 and an aw equal to 1 refers to 100% water that is free and available). Figure 13 illustrates the influence of conditioning on the «proportion» of free water that can easily be eliminated...

the electronics industry requires water with ever lower metal concentrations that are now being quantified in ppt (parts per trillion) or 1 mg per 1,000 m³. One can currently check that these levels are met EEC...

and the organic materials concentration. It is measured by comparison with a reference solution (Platinum - Cobalt) for which the concentration unit, expressed in mg · L-1, is also called a Hazen degree. mass...

Even when dealing with well-known and proven technologies, it is always recommended to conduct pilot testing (a small scale system, often only a few m3 · h–1, reproducing the process elements...

) containing high levels of dissolved organics. Over the past 30 years, various technologies have been developed by SUEZ, including techniques by suspended growth or by attached growth, (Table 1...

as : Figure 1 illustrates the overall process. The global potential of the combined oxidation reduction process will determine whether or not the reaction can take place and, consequently, the likelihood...

of filters that can be classified on the basis of their hydraulic operating conditions and of their washing conditions (table 1) or even according to their operating modes (see section filter control...

the USA). In order to cope with this level of extraction, it is felt that the total renewable resource worldwide is equal to 40,000 km³ per year. However, the map in figure 1 reveals major differences...

in a more or less significant increase in water line and sludge line sizing. The following table provides several design examples for the same 10 000 m3·d–1 plant according to different scenario: more...

on the quality of the treated water, appropriate transfer velocities must be applied. For example when clarifying surface water over metal hydroxide floc: fragile: v ≤ 0.20 m · s–1; firm: v ≤ 0.50 m · s–1...

Figure 1 illustrates the main stages that can be found in a sludge treatment process (solid line showing the most classic methods or those undergoing development, dotted lines referring to possible...

-htfb incinerator) varies significantly (5,000 to 15,000 Nm3 ·h–1 per tonne of DM) and this volume is mainly produced by : excess air used (O2 ballast and especially N2) and the quantity of water injected (dry...

important that we differentiate between these two information modes: an analog measurement delivers a signal that is proportional to a measured variable; a detection delivers a 0/1 binary status, i...