Clarifier with optimized flocculation using external sludge recirculation...

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...

of the backwashing water from filtration on membrane filtration steps. Itcombines the principle of lamellar settling with an integrated sludge thickener. No need of additional sludge thickening equipment before ... Compactness of the equipment due to its modular and lamellar design Integrated sludge thickening Flexible fitting option : can be tailored to every plant size ... Physical-Chemical settling tank (optimized flocculation) using external sludge recirculation ... lamellar settling sludge thickening – Densadeg®...

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 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...

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...

Bioreactor general characteristics were described in substrate properties. The content "reactor types" details the types of reactor specifically used with activated sludge, together ... Activated sludge Bioreactor Greenbass ... activated sludge reactor: type and configurations...

chamber; greater depth for greater sludge storage (up to 80 cm), thus optimising thickening; a skimming system comprising a great many skimmer arms; sludge removal chutes laid out in such a way ... Flotation Flotation units Sludge thickening ... flotation units used in sludge thickening...

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 ... 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...

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...

diagram of an activated sludge system an aeration tank where the water to be purified is brought into contact with the purifying bacteria mass; a clarifier where the purified water ... Suspended growth Sludge treatment Clarifiers Denitrification Nitrification Biological reactor Phosphate removal Aerobic Anaerobic Biological processes Cyclor ... suspended growth (activated sludge) process...

Even when dewatered, sludge often presents specific problems; unlike past times, they can no longer be regarded as ultimate waste that can be used for agricultural spreading or that can immediately ... Sludge treatment ... Sludge treatment Anaerobic Oxidation Dewatered sludge ... Sludge dewatering...

. Figure 6. Schematic diagram of an Evaporis™ LE dryer Evaporis™ LE has the following advantageous characteristics : The density of dried sludge is high thanks to the formation of sludge ... Sludge treatment ... Sludge treatment Sludge drying Evaporis Termylis ... Sludge dewatering...

The filtration process always comprises the following stages: flocculation using polyelectrolytes, in short contact time flocculators, or sometimes in the pipeline; flocculated sludge ... Sludge treatment ... Filtration Sludge treatment Sludge dewatering Flocculation...

description (figure 5 and photo 2) The thickener is a circular unit. The sludge suspension is introduced into the centre, inside the centre well. Matter settles according to its respective weight ... Sludge treatment ... Densadeg Sludge treatment Sludge thickening Biofilters...

the hydrothermal carbonization of the organic matter contained in sludge, in a thermal conditioning reactor operating between 175°C and 220°C at low pressure (< 30 bar). The ultra-dewatering workshop can ... Sludge treatment Sludge dewatering Dehydris Twist...

Sludge treatment ... Sludge treatment Oxidation ... the wet oxidation method is grouped under the heading of wet oxidation. In effect, this system «incinerates» liquid sludge «without any flames» ... There is a group of oxidation processes used on sludge organic matter that overcome traditional heat problems and, therefore, the lengthy flue gas treatment process. This series of processes ... Sludge dewatering Oxidation/Disinfection...

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...

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 ... Sludge dewatering...

conditions inside the reactor and its effectiveness may be reduced due to contamination by certain compounds present in the sludge. Additionally, when it has been depleted, the reactor has to be shut down so ... Sludge treatment ... Sludge treatment Biological processes ... Sludge dewatering...