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 ... The Cleargreen™ 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™...

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...

will take between 30 to 120 minutes. In order to ensure that the reaction is self-sufficient in terms of heat, the amount of COD injected into the reactor must be greater than 25 g·L–1 of COD, and the sludge ... Sludge treatment ... Sludge treatment Oxidation ... Sludge dewatering Oxidation/Disinfection...

of activated sludge : Biological treatment calls upon a wide variety of micro-organisms, mainly bacteria. By absorbing soluble and suspended constituents contained in wastewater, these micro-organisms convert ... Waste water Sludge treatment ... Filtration Wastewater Sludge treatment Sludge digestion Activated sludge Anaerobic Sludge dewatering Biogas Tertiary treatment Methane fermentation Flotation ... A model plant in recovering the potential energy from industrial effluent and sludge ... Meistratzheim wastewater treatment plant (France) ... Sludge dewatering Deodorization/Venting/Evaporation Filters Flocculation/Sedimentation/Flotation Methanisation Pretreatment Biological processes...

aerated storage Aerated storage must not be regarded as stabilisation treatment: its role solely consists in storing sludge over periods of up to several months, without creating any nuisance ... Sludge treatment ... Sludge treatment Sludge stabilization Anaerobic Sludge digestion...

. The drying unit comprises the following main items of peripheral equipment : wet sludge and then dry sludge handling facilities; heat exchange fluid loop; vapour treatment with or without heat ... Sludge treatment ... Sludge treatment Sludge drying Dewatered sludge Evaporis ... Sludge dewatering...

to adapt to polymer treatment conditions. Improvements in terms of dry solids contents, compared with the conventional filter, will very much depend on the type of sludge and the type of conditioning ... Sludge treatment ... Filtration Sludge treatment Filters...

Pre-treatment: there is no longer any need (save in exceptional cases involving certain industrial sludges) to carry out bar screening/straining or grit removal in order to protect the centrifuges ... Sludge treatment ... Centrifugation Sludge treatment...

for biological processes (thermophilic anaerobic digestion, pasteurisation – see chapter liquid sludge treatment), or responsible for thorough oxidisation of organic matter (wet oxidation, see section organic ... Sludge treatment ... Sludge treatment Anaerobic Oxidation Dewatered sludge ... Sludge dewatering...

at the inlet. Figure 32. Geometric parameters bowl diameter D and LT/D ratio The diameter is characteristic of the machine ranges and will vary from 0.25 to 1.1 m in sludge treatment ... Sludge treatment ... Sludge treatment Centrifugation...

sizing The following constitute the basic data required to define the heat balance for an incinerator: the mass flow rate of the sludge to be processed expressed in kg · h–1; the dry solids ... Sludge treatment ... Sludge treatment Sludge incineration Dewatered sludge Thermylis ... Sludge dewatering...

The spacing between the bars allows the thickening of dilute sludge from 2 g/l to 8 g/l. On an extended aeration plant type, the output dryness is between 4 and 6% with sludge directly taken from ... Sludge treatment ... GDD/GDE Sludge treatment Sludge thickening ... The GDD has a drainage screen with a progressive mesh size that optimizes Dynamic Sludge Thickening. ... direct thickening screen on biological sludge of different concentration – GDD / GDE...

and industrial wastewater sludge. key figures Reduce the downstream mechanical thickening equipment by a factor of 5 Sludge up to 2 times as concentrated on leaving treatment Reduce the number ... Sludge treatment ... Drainis Turbo Sludge treatment Sludge thickening ... Reduced polymer consumption due to stability of the sludge concentration A fully automatic process for just-in-time treatment without storage or labor intervention Limits greenhouse gas ... biological sludge thickening system including a preliminary concentration stage – Drainis™ Turbo...

on the discharge regulations, the available approaches being those described in tertiary treatment; thickening, dewatering; drying and/or incineration. Given that chemical industry sludges ... Waste water Sludge treatment ... Biolysis Industrial effluent treatment Chemical industries Sludge treatment Tertiary treatment ... final treatment plant ... Sludge dewatering Biological processes...

These are the type of centrifuges currently most widely used in sludge treatment applications. Their main advantage is a noticeably improvement of the cake dry solids contents that now position ... Sludge treatment ... Centrifugation Biofor Sludge treatment...

the organic matter in sludge is broken down in an environment lacking in air compared to the stoichiometry; thermolysis is the same process when it takes place in the absence of any exogenous oxygen. This lack ... Sludge treatment ... Sludge treatment Sludge drying Dewatered sludge Gasification Oxidation ... pyrolysis and thermolysis applied to sludge ... Sludge dewatering...

been adjusted accordingly (especially the reinforced frame); this version has also been designed for processing aggressive sludge (reinforced anti-corrosion treatment). GDE or GDD + superpress (figure ... Sludge treatment ... Sludge treatment Filtration Filters...

These presses, able to develop high pressure, are applied exclusively to paper mill sludge and providing that this sludge contains more than 45-50% of fibres. Therefore, applications remain rare ... Sludge treatment ... Filtration GDD/GDE Sludge treatment...

to most sludges). However, some progress has been achieved over recent years: polymer treatment has become reliable, dispensing with the need for lime; some automatic filters have been ... Sludge treatment ... Filtration Sludge treatment Filters...