of dewatered sludge (30 to 40 % of dry solids content) is produced inside the lagoon, it is removed by backhoe loader to a post-drying area. This process is dimensioned according to the site’s evaporation ... Sludge treatment ... Filtration Sludge treatment Sludge dewatering ... dewatering lagoons...

entirely automated phases: supply phase, pressing/filter cake fragmentation phase and discharge phase. key figures Up to 30% in sludge bulk compared to conventional dewatering 100% automated ... Sludge treatment ... Dehydris Sludge treatment Sludge dewatering ... % optimization) High dry content obtained without addition of lime: up to 40% for drinking water sludge and auto thermicity achieved for urban wastewater sludge Accepts both drinking water and wastewater ... boosted sludge dewatering using piston press technology – Dehydris™ Twist ... Sludge dewatering...

SUEZ has been developing its own sludge thickening and dewatering machines; therefore, the Company can offer a comprehensive range of dynamic thickeners (see sludge thickening) and belt filters ... Sludge treatment ... Sludge treatment Sludge dewatering...

Developed to take advantage of the different properties of lime (sanitization, reduction of odors). DeshydrisTM Lime is used at the end of the sludge treatment process. The biosolids, due ... Sludge treatment ... Sludge dewatering Sludge treatment Dehydris Lime ... The Dehydris™ Lime, pre-liming for sludge with centrifugation, is suited to the dewatering of all type of sludge, fresh or digested from urban wastewater treatment and to any size plant. ... advanced dewatering of sludge by pre-liming before centrifugation – Dehydris™ Lime ... Sludge dewatering...

for agricultural land application. Typically, this sludge is usually well below the limits for heavy metals or dangerous pollutants. The first step consists in dewatering this mainly biological sludge using ... Sludge treatment ... Industrial effluent treatment Agri-food industry Sludge treatment Sludge dewatering ... sludge treatment ... Sludge dewatering...

Thermal drying has become necessary given the technical restrictions on mechanical dewatering (see sections belt filters, centrifugation and filter press). Furthermore, drying offers many advantages ... Sludge treatment ... Sludge treatment Sludge drying Sludge dewatering ... Sludge dewatering...

, even the most difficult and such as especially oily sludge: in-line operation (without buffer tank) when the centrifuge precedes a thermal dryer or a furnace: dewatering without ... Sludge treatment ... Centrifugation Sludge treatment Sludge dewatering...

or less paste-like structure of a dewatered cake; slump test: this is an important factor for sludge storage design. Sludge is regarded as "solid" when, piled up to a 1 m height, it forms an angle ... Waste water Sludge treatment ... Centrifugation Industrial effluent treatment Sludge treatment Sludge dewatering ... sludge properties ... Sludge dewatering...

Wastewater Sludge dewatering Grit removal Screening Biological processes Sedipac Sludge thickening Dewatered sludge ... Sludge dewatering Flocculation/Sedimentation/Flotation Pretreatment Biological processes...

sludge that is difficult to dewater: this particularly applies to aluminium hydroxide sludge generated by drinking water production or the preparation of industrial water. This energy-hungry treatment can ... Sludge treatment ... Sludge treatment Sludge conditioning Sludge dewatering...

. thickening 2 lines of sludge thickening are first implemented in order to optimize the number of centrifuges used for final dewatering : Primary screened sludge at a concentration of 1% is thickened on 2 ... Waste water Sludge treatment ... Sludge treatment Wastewater Sludge dewatering Sludge storage Sludge thickening ... Sludge dewatering...

-incineration, pyrolisis/gasification, wet method oxidation, see dewatered sludge treatment): every attempt is made to oxidise the organic matter contained in sludge as comprehensively and cost-effectively as possible ... Waste water Sludge treatment ... Industrial effluent treatment Sludge treatment Sludge dewatering ... sludge end uses ... Sludge dewatering...

a route that varies depending on the type of filter. Dewatering effectiveness depends on the effective pressure Pe applied to the sludge sandwich and also on pressing time. In a simplified form ... Sludge treatment ... Filtration Sludge treatment Sludge dewatering Flocculation...

conditioning); dewatered, sterilised sludge production without any added reagent; this sludge can easily be disposed of in soil; optimum biogas utilisation; the combination of anaerobic ... Sludge treatment ... Sludge treatment Sludge conditioning Sludge thickening Sludge dewatering...

tanks or in lamellar static settling tanks (see static settling tanks). Dewatering of the extracted sludge is often carried out with a filter press. ... Waste water Sludge treatment ... Industrial effluent treatment Oxidation Sludge dewatering ... Sludge dewatering Oxidation/Disinfection...

Centrifugation Drainis Turbo Wastewater Sludge dewatering Sludge digestion Sludge thickening Biogas ... Sludge dewatering Flocculation/Sedimentation/Flotation Pretreatment Biological processes...

In general, the dryers used are based on those found in chemical, pharmaceutical and agri-food industries. These existing technologies have had to be adapted to properties specific to sludge. Heat ... Sludge treatment ... Sludge treatment Sludge drying Sludge dewatering Evaporis Heliantis ... Sludge dewatering...

Coagulation Evaporis Greendaf Wastewater Sludge dewatering Primary treatement Sludge thickening Sludge digestion Anaerobic Flocculation Sedipac Flottation ... Sludge dewatering Flocculation/Sedimentation/Flotation Pretreatment Biological processes...

Ultrafiltration Ultrafor Wastewater Screening Primary treatement Straining Sludge thickening Sludge dewatering Sedipac ... Sludge dewatering Filters Flocculation/Sedimentation/Flotation Pretreatment Biological processes...

Ultrafiltration Centrifugation Wastewater Sand filtration Disinfection Chlorination Sludge thickening Sludge dewatering Aerobic Sludge digestion ... Sludge dewatering Filters Flocculation/Sedimentation/Flotation Oxidation/Disinfection Pretreatment Biological processes...