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...

Dehydris® Twist based on proven Bucher Unipektin piston press technology, represents one of the most innovative and efficient systems on the dewatering market. It is fed with drinking water sludge ... Sludge treatment ... Dehydris Sludge treatment Sludge dewatering ... % optimization) High dry content obtained without addition of lime: up to 45% [CQ1] for drinking water sludge and auto thermicity achieved for urban wastewater sludge Accepts both drinking water ... boosted sludge dewatering using piston press technology – Dehydris® Twist ... Sludge dewatering...

); the installation can operate unmanned if the sludge is relatively constant. All mechanical safety mechanisms constitute part of the standard equipment and, with the new sludge concentration sensors, unit automated ... Sludge treatment ... Centrifugation Sludge treatment Sludge dewatering...

of liquid sludge dries out. This process is far less widespread because of the extensive areas involved and because dry cake removal is very labour-intensive. There are a few rare examples in mechanised ... Sludge treatment ... Sludge treatment Filtration...

Sludge treatment ... Sludge treatment Sludge drying Biogas ... sludge drying and cogeneration ... Sludge dewatering...

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...

In this chapter, we are deliberately leaving pressurised gasification to one side as it is not specifically and exclusively applied to sludge. There are a few rare instances of combined treatments (with other waste ... Sludge treatment ... Sludge treatment Sludge incineration Gasification ... Sludge dewatering...

hand, in the case of carbonate removal sludge that is far more hydrophobic and crystalline, or sludge that has undergone heat treatment (see dynamic thickening), initial r0.5 figures will be very low ... Sludge treatment ... Filtration Sludge treatment Sludge conditioning...

When a sludge is not concentrated, the dry weight should not include the dis- solved substances contained in the sludge interstitial water. Two possible methods exist to determine the SS ... Sludge treatment ... Sludge treatment Centrifugation Filtration ... suspended solids ( SS ) in liquid sludge...

, the following constitutes an example of a Naratherm dryer heat balance (table 6) : Table 6. NARA heat balance per kg · h–1 of water evaporated (based on a 20 % dry solids content sludge, 90 % dry ... Sludge treatment ... Sludge treatment Sludge drying Evaporis ... Sludge dewatering...

By definition, co-incineration means that a flow of partially or completely dried, dewatered sludge is added into the feed of a heat treatment process that is entirely dedicated to a main ... Sludge treatment ... Sludge treatment Sludge incineration Dewatered sludge ... organic matter destruction treatment using co-incineration processes ... Sludge dewatering...

ventilation biocontainers (figure 3). Figure 3. Cross section of a Thermoposting biocontainer The sludge is combined with the structuring by-product in order to endow the mixture with an adequate ... Sludge treatment ... Sludge treatment Composting Biofilters ... Sludge dewatering...

An efficient temperature regulation and an efficient sludge mixing are essential to the good operation of the digestors. Digelis® is adapted for the treatment of primary sludge, biological sludge ... Sludge treatment ... Sludge treatment Sludge digestion Digelis Methanisation Methanis ... 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 which can ... The Digelis® is a 1 stage anaerobic digestion process for sludge coming from urban wastewater treatment plant. ...

nature of the sludge Sludge produced from the treatment of raw water to render it potable comes from the extractions or blowdowns undertaken during sedimentation (or flotation), when this exists ... Densadeg Drinking water Surface water Sludge treatment Sludge thickening Flotation Pulsatube Aquazur PAC ... sludge processing...

(1) that opens out into a rotating distributor (10). This distributor spreads the sludge onto the periphery and propels the suspension into the annular space between the bowl (2) and screw (3 ... Sludge treatment ... Sludge treatment Centrifugation...

(acidification at the start of composting and then alkalinisation through the formation of ammonia and the removal of CO2 through aeration); even sludge produced by the physical-chemical treatment of UWW can ... Sludge treatment ... Sludge treatment Composting Dewatered sludge ... Sludge dewatering...

sulphate and, more rarely, ferrous sulphate and aluminium salts. The Fe3+ ion is by far the most effective and the widely used reagent on organic sludge (WWTP and IWWTP biological treatment).The choice ... Sludge treatment ... Sludge treatment Sludge conditioning Flocculation...

from 380,000 m3/day (2 million equivalent inhabitants) to a maximum future capacity of 760,000 m3/day (4 million equivalent inhabitants). refurbishment of El Trebal plant sludge treatment process ... Sludge treatment ... Digelis Cannon Mixer Reuse Wastewater Sludge treatment Sludge thickening Sludge digestion Sludge dewatering Biogas ... El Trebal Mapocho wastewater treatment plant (Chile) ... Sludge dewatering...

treatment phases in the same tank. key figure 60% less air needed compared to classic activated sludge treatment among references Burgos (Spain) - 150,000 m3/d Ourence (Spain) - 350 ... Sludge treatment ... Cleargreen Sludge treatment Sludge digestion Biological processes ... Refurbishment: avoids to overload the water line New plant: avoids to oversize the biologic treatment Automation of process control Robust adaptability to variations in load ... CLEARgreen® Sidestream is a deammonification allowing the treatment of concentrated ammonia caused by anaerobic digestion of sludge at the head of the station. ... specific treatment after anaerobic sludge digestion to remove nitrogen – CLEARgreen® Sidestream...

Sludge drying units must be subject to appropriate safety measures because they are the source of a number of risks, more specifically in the event of certain malfunctions. Without being exhaustive ... Sludge treatment ... Sludge treatment Sludge drying Aerobic ... Sludge dewatering...