The principle of sludge recirculation, increasing the particle contact, may be used for precipitation of calcium carbonate as it is normally used for flocculation. Densadeg® with its external ... Clarification, Densadeg, Drinking water, Settling, Carbonate removal ... Clarification Densadeg Drinking water Settling Carbonate removal ... The Densadeg® can be used for water softening. ... chemical carbonate removal (softening) with sludge recirculation reactor – Densadeg®...

Densadeg® treats all types of water. For desalination applications, the Densadeg is used for the treatment of effluents in reverse osmosis desalination (backwash water from filters, brine from ... Clarification, Membranes, Densadeg, Desalination, Settling, Flocculation ... Clarification Membranes Densadeg Desalination Settling Flocculation ... lamellar settling sludge thickening – Densadeg®...

), a compartmented lamellar (5) topped by crenellated collection chutes, and a circuit used to return the thickened sludge to the unit’s inlet (6). Figure 20. The Densadeg operating principle sludge ... Settling, Settling tanks, Densadeg ... Settling Settling tanks Densadeg ... sludge recirculation settling tank – thickener : the densadeg...

progressive flocculator in the Degrémont® range and is particularly used with the Densadeg. In this particular application, flocculation is optimum thanks to: highly concentrated, adjustable flow rate ... Densadeg, Flocculators, Flocculation ... Densadeg Flocculators Flocculation...

, especially, sludge recirculator units can be used for this purpose: Turbine saturator shown in photo 7; Circulator; Turbocirculator; Densadeg is an interesting option for high lime water flow ... Turbocirculator, Pulsator, Densadeg, Lime ... Turbocirculator Pulsator Densadeg Lime...

removal by precipitating BaSO4 in Densadeg (injecting BaCO3 or Ba Cℓ2); removing traces of Ca2+ from specific softening resins (down to below 50 mg · L–1 Ca2+); vacuum dechlorination, often ... Densadeg, Industrial water treatment, Dechlorination, Filters ... Densadeg Industrial water treatment Dechlorination Filters...

obtained will not become corrosive. Photo 11. Isle Adam (Val d’OIse – France) plant – Carbonate removal using the Densadeg Please refer to the section changes to the carbonate balance ... Remineralisation, Neutralisation, Densadeg, Carbonate removal ... Remineralisation Neutralisation Densadeg Carbonate removal...

); coagulation and metal precipitation (adding a reduced sulphur-based precipitant); flocculation; cclarification in a Densadeg type solids contact clarifier (the design is specialised in terms of materials ... Densadeg, Biofor, Industrial effluent treatment ... Densadeg Biofor Industrial effluent treatment...

.8 g suspended solids · L–1). Therefore, even faster settling tanks are required: in this case, Densadeg settling tanks. Hydraulic loading of approximately 15 to 25 m · h–1 calculated on lamella surface ... Densadeg, Sludge treatment, Sludge thickening, Biofilters ... Densadeg Sludge treatment Sludge thickening Biofilters...

, combined with silicon removal using magnesia, from the feed water of certain medium pressure boilers. It is also used for partial degassing (oxygen). It should be noted that a variant of the Densadeg ... Settling, Settling tanks, Clarifiers, Turbocirculator, Densadeg ... Settling Settling tanks Clarifiers Turbocirculator Densadeg...

in one single stage with the use of a Densadeg (photo 40) that will very efficiently reduce heavy metals to effluent concentrations (typically, Pb < 0.2 Zn < 0.5 Cd < 0.25 mg) in the Densadeg effluent ... Densadeg, Industrial effluent treatment, Metallurgy and hydrometallurgy, Electrolysis, Dechlorination ... Densadeg Industrial effluent treatment Metallurgy and hydrometallurgy Electrolysis Dechlorination...

; for instance, an UWW plant comprising a Densadeg followed by a Biofor, fed by a combined system, will include 80 mm preliminary barscreening, 6 mm fine barscreening and 3 mm straining. These systems can ... Biofor, Wastewater, Pretreatments, Bar screening, Densadeg ... Biofor Wastewater Pretreatments Bar screening Densadeg...

the main system for defluorination using lime and sedimentation in a Densadeg. effluent from the manufacture of prebaked anodes Current developments impacting this process have reduced the effluent ... Densadeg, Industrial effluent treatment, Metallurgy and hydrometallurgy, Settling, Pretreatments ... Densadeg Industrial effluent treatment Metallurgy and hydrometallurgy Settling Pretreatments...

sodium carbonate; this is carried out in Circulator, Turbocirculator, Densadeg type reactors; sulphates are partly removed using lime or calcium chloride, and the crystallization water stock solutions ... Clarification, Turbocirculator, Densadeg, Industrial water treatment, Degasification, Lime ... Clarification Turbocirculator Densadeg Industrial water treatment Degasification Lime...

: The water is then clarified 6 Densadeg® 2D, an efficient separation process, allowing to obtain : A speed lamellar settling, Efficient sludge thickening High quality settled water Low ... Densadeg, Filtration, Aquazur, Drinking water, Clarification, Disinfection ... Densadeg Filtration Aquazur Drinking water Clarification Disinfection...

system that has been designed in such a way that it does not destroy the floc (e.g. the Densadeg, see Flocculators – settling tanks – flotation units) and the recycled sludge is re ... Turbocirculator, Pulsator, Settling, Flocculation, Densadeg, Ultrapulsator ... Turbocirculator Pulsator Settling Flocculation Densadeg Ultrapulsator...

.g. Densadeg) at the top of the processing line, the carbon that is "saturated" because it is in equilibrium with the water produced by the UF system, will recover its adsorption capacities as soon as it comes ... Clarification, Ultrafor, Cristal, Pulsator, Densadeg, Membrane separation ... Clarification Ultrafor Cristal Pulsator Densadeg Membrane separation...

extracted from the water with the floc (sludge). In order to achieve a good PAC utilisation, we recommend using a sludge recirculation settling tank (Densadeg) or a sludge blanket settling tank (Pulsator ... Adsorption, Densadeg, Pulsator, Carbazur, Cristal, GAC ... Adsorption Densadeg Pulsator Carbazur Cristal GAC...

compatible with the natural environment. At that time, it was decided not to include a Densadeg given the fairly low throughput to be processed (100 m3·h–1). However, even in this case, it would be the best ... Filtration, Densadeg, Greenleaf, Industrial effluent treatment, Settling, Oxidation, Mining industries ... Filtration Densadeg Greenleaf Industrial effluent treatment Settling Oxidation Mining industries...

in a clarifier/sludge thickener such as the Densadeg. A final filtration may be required to remove suspended solids and traces levels of metals by adding a polymer or precipitation agent. It is quite possible ... Densadeg, Filtration, Industrial effluent treatment, Metallurgy and hydrometallurgy, Settling, Flotation ... Densadeg Filtration Industrial effluent treatment Metallurgy and hydrometallurgy Settling Flotation...