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...

sludge or pre-thickened wastewater sludge conditioned with reagent. The press, equipped with semi-solid drainage elements, operates in cycles (from 2 to 3 hours). Each cycle is made is made up of 3 ... 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...

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...

); 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...

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...

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...

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...

, 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...

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...

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...

internal collection The above descriptions of the different clarifiers specified whether or not they included a scraper mechanism: without scraper system: the sludge is gravity concentrated ... Settling Settling tanks Sludge treatment ... sludge removal mechanisms...

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...

A wastewater treatment plant, regardless of its size, its effluent quality targets and its treatment approach, will produce sludge: the amount produced will be linked to the very nature ... Waste water Sludge treatment ... Cyclor Wastewater Sludge treatment Biofiltration Sludge drying Biological phosphate removal ... end use of sludge: global optimisation of water and sludge...

(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...

The DigelisTM Turbo is a boosted digestion technology that reduces the sludge quantity by half after dewatering utilizing a preliminary process of thermal hydrolysis of biological or mixed sludge ... Sludge treatment ... Sludge treatment Sludge digestion Biogas Digelis ... Ability to double digester capacity in existing installations Reduce the capacity needed for the final drying step Auto-Thermal reforming of biologically treated sludge Fully ... boosted digestion of biological or mixed sludge – Digelis™ Turbo...