selecting the pressure-temperature combination For a given type of sludge, temperature conditions will have a marked impact on COD removal efficiency (figure 47). Figure 48 highlights the fact that ... Sludge treatment ... Sludge treatment ... Sludge dewatering...

The total solids content includes both the suspended solids and dissolved salts. The total solids content is also used to determine a sludge dry weight (expressed as a %). dry solids content at 105 ... Sludge treatment ... Sludge treatment...

: exothermic reactions released by the oxidation of the products processed (e.g. combustion of the organic matter found in sludge); energy recirculated by the process (e.g. in the case of incineration ... Sludge treatment ... Sludge treatment...

Ammonia treatment constitutes one of the critical points in a wet oxidation unit. It can be carried out inside or outside the reactor. ammonia treatment inside the reactor This method requires ... Sludge treatment ... Sludge treatment Biological processes ... ammonia treatment ... Sludge dewatering...

This process is outlined in figure 50. Figure 50. The specific operation of the Mineralis process sludge concentration levels (DM and COD) at the wet oxidation inlet This process ... Sludge treatment ... Sludge treatment ... Sludge dewatering...

for environmental protection purposes. Within the DPPR, there are two departments that are directly involved in activities associated with thermal processes applied to sludge treatment: the products and waste ... Sludge treatment ... Sludge treatment ... Sludge dewatering...

An efficient regulation temperature and an efficient sludge mixing are essential to the good operation of the digestors. DigelisTM is adapted for the treatment of primary sludge, biological sludge ... Sludge treatment ... Sludge treatment Sludge digestion Digelis ... Reduction of sludge quantity: 20 to 40% of dry matters Long-term sludge stabilization : nuisance reduction & sanitation Sludge recovery for green energy through biogas production ... The Digelis™ is a 1 stage anaerobic digestion process for sludge (between 35°C and 37°C) coming from urban wastewater treatment plant. ...

When a sample of sewage fresh mixed sludge is subjected to a 2,000 g centrifugal field for a few minutes in a laboratory centrifuge, we will find the following in the centrifuge pot (figure 29 ... Sludge treatment ... Centrifugation Sludge treatment ... sludge centrifugation suitability...

on evaporation (therefore, a sealed floor is required to avoid soil pollution). A succession of shallow layers of sludge is dried and several lagoons are required for treatment rotation. When approximately 1 m ... Sludge treatment ... Filtration Sludge treatment Sludge dewatering...

that this threshold is rarely reached in sludge heat treatment plant and that an SNCR type treatment is enough to guarantee this threshold (see section flue gas treatment types). On the other hand, should more ... Sludge treatment ... Sludge treatment Sludge incineration ... Sludge dewatering...

The ThermylisTM transforms sludge into a mineral product that is not harmful and that can be recycled. It is preferentially fed with dewatered sludge (dryness between 15 to 40%) from urban ... Sludge treatment ... Thermylis Sludge treatment Sludge incineration ... sludge incineration – Thermylis™ ... Sludge dewatering...

in order to bring these fumes into the presence of water at saturated conditions. Under these conditions, the cooled and saturated flue gases will be subjected to a series of treatments designed to transfer ... Sludge treatment ... Sludge treatment ... flue gas treatment types ... Sludge dewatering...

and allows diversifying the sludge recovery channels to be diversified (see section treatment line design: limitations). A temperature gradient has to be created between the inside and the outer surface ... Sludge treatment ... Sludge treatment Sludge drying Sludge dewatering ... Sludge dewatering...

The HeliantisTMuses sun radiance to heat the surface of the sludge bed and aeration to evaporate the water contained in the sludge. The evaporated water then evacuated through natural convection ... Sludge treatment ... Heliantis Sludge treatment Sludge drying ... The sun, a free and sustainable energy source Smaller volumes. Savings in transporting and evacuating the sludge Long-term storage of the dried sludge Recovery/evacuation: a sustainable ... The most sustainable sludge drying process. ... natural sludge drying in green house – Heliantis™ ... Sludge dewatering...

sludge, physical-chemical, biological or mixed (with or without tertiary treatment) as industrial wastewater sludge. It applies for dewatered sludge with minimum dryness around 25%. Evaporis™ LT ... Sludge treatment ... Evaporis Sludge treatment Sludge drying ... Reduces consumption of primary energy using lost heats that haven't been use on the treatment plant (cogeneration) Quick start-up and automated process Low maintenance Dryers ... low temperature sludge drying system – Evaporis™ LT ... Sludge dewatering...

treatment and the sludge resulting from treatment, separately produce biogas. Through the anaerobic digestion of the sauerkraut juices or through digestion of the sludge and grease, bacterial populations ... Waste water Sludge treatment ... Centrifugation Wastewater Sludge treatment Sludge digestion Activated sludge Anaerobic Sludge dewatering Sludge drying Biogas Methane fermentation ... Meistratzheim wastewater treatment plant (France) ... Sludge dewatering Deodorization/Venting/Evaporation Methanisation...

Capable of accepting high loads and providing shorter contact time for the sludge and smaller reactor size. Spiral Heat Exchanger : A unique feature to preheat the fresh sludge ... Sludge treatment ... Digelis Sludge treatment Sludge digestion ... The Digelis™ Fast is an optimized process for thermophilic sludge digestion combined with energy recovery equipment to accelerate the sludge digestion cycle. ...

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 ... Sludge treatment ... Thermylis Sludge treatment Sludge incineration ... sludge Reduction of greenhouse gas emissions Complete elimination of pathogens and hormonal molecules thus strengthening health and safety ... energy production by sludge incineration – Thermylis™ 2R ... Sludge dewatering...

These filters have almost entirely disappeared. Only a few applications remain on carbonate removal sludge or gas scrubbing. In effect, these energy-hungry vacuum filters require sludge ... Sludge treatment ... Filtration Sludge treatment Filters...

sludge end uses Sludge produced by a water treatment plant has three main uses: recycling: mainly agriculture, with or without supplements but also for reinstating eroded sites (quarries ... Waste water Sludge treatment ... Industrial effluent treatment Sludge treatment Sludge dewatering ... sludge end uses ... Sludge dewatering...