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...

Before the construction of the digestion unit, the sludge produced by the East Alexandria wastewater treatment plant was subject to a dewatering process, followed by transportation via trucks ... Sludge treatment wastewater treatment Sludge digestion Anaerobic Biogas Digelis ... , the Construction Authority for Potable Water & Wastewater (CAPW} awarded SUEZ for the DBO contract of a new sludge digestion unit, based on mesophilic anaerobic digestion and Combined Heat & Power. Successfully ... sludge digestion unit, wastewater treatment plant Alexandria East (Egypt)...

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...

Wastewater treatment plants, in particular those using activated sludge processes, may be subject to failures which limit the reliability in the performance of purification operations ... Primary settling 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...

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...

dry solids content is required (often in the region of 65%). Indeed, at this dry solids content, dried sludge has a net calorific value equivalent to that of household waste. Some projects are emerging ... Sludge treatment ... Sludge treatment Sludge drying Dewatered sludge Evaporis Heliantis ... sludge drying to an intermediate dry solids content ... Sludge dewatering...

completed, the reactor rises and takes shape. It has been implemented by our partner for over 50 years. The sludge mixing inside the reactor requires minimal energy. key figure more than 1 ... Sludge treatment ... Sludge treatment Methane fermentation Anaerobic ... Reduced construction duration thanks to on-site reactor design Durability: maximum strength and watertightness Sludge heating system without the need for an external heat exchanger...

treatment and sludge digestion, while streamlining energy costs by implementing cogeneration and heat recovery systems. Located in the seaside mangrove swap and soon surrounded by the city, the plant has ... Waste water Sludge treatment ... Nitrification Azurair Wastewater Sludge treatment Denitrification Secondary settling tanks Chlorination Anaerobic Sludge dewatering Biogas Odour Control ... SUEZ signed a contract with the Panama’s Ministry of Heath to design, build and operate for four years the first urban wastewater treatment plant for the capital city, in Consortium with Odebrecht ... Panama wastewater treatment plant (Panama) ... Sludge dewatering Deodorization/Venting/Evaporation Filters Flocculation/Sedimentation/Flotation Methanisation Oxidation/Disinfection Pretreatment Biological processes...

with the latest national standards requiring a total nitrogen content of less than 10 mg/L. Therefore, the treatment line targets to: restore the water quality of the Yumana River. reduce sludge volume ... Waste water Sludge treatment ... wastewater treatment Reuse Primary settling Biological processes Filtration Ultraviolet disinfection Sludge treatment Sedipac Sludge thickening Sludge digestion Sludge drying Compackblue Drainis ... Okhla wastewater treatment plant, (India) - reuse...

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...

. 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 activated sludge technology adopted is a tried and tested method already used in many facilities. In this specific application, it is further optimised by a biological treatment stage (step feed ... Waste water Sludge treatment ... Reuse Aquazur Densadeg GDD/GDE Wastewater Sludge treatment Disinfection Sludge drying ... Milan San Rocco wastewater treatment plant (Italia) ... Sludge dewatering Deodorization/Venting/Evaporation Filters Flocculation/Sedimentation/Flotation Oxidation/Disinfection Pretreatment Biological processes...

The three examples below (figures 42 to 44 and additionally the Shell-Chimie example from refinery could be appended) illustrate the treatment processes employed and results achieved typically ... Waste water Sludge treatment ... Ultrafor Filtration Industrial effluent treatment Chemical industries Sludge treatment Pretreatments Activated sludge Flotation...

Ingenious devices have been developed to replace manual scraping during sludge cake removal. A careful choice of technique is necessary as sludge cake removal must be complete before the filter ... Sludge treatment ... Filtration Sludge treatment Carbonate removal Filters...

level of the OM that undergoes digestion. In UWW wastewater treatment plant, the object set usually consists in using digestion to achieve a 40 to 50 % reduction in the OM content of mixed sludge ... Sludge treatment ... Sludge treatment Sludge stabilization Anaerobic Sludge digestion Biogas Densadeg Methane fermentation Cannon Mixer Digelis...

technology can be found in the section sequencing batch reactor process. A water treatment plant using the activated sludge system can initially be identified by its F/M ratio (expressed in kg of BOD5.kg-1 VM ... Suspended growth Sludge treatment Clarifiers Denitrification Nitrification Biological reactor Phosphate removal Aerobic Anaerobic Biological processes Cyclor ... suspended growth (activated sludge) process...

or with sludge heat treatment. In the latter case, there may be strong odours caused by aldehydes. sources of emission of gaseous and odorous pollutants produced by a wastewater treatment plant raw effluent ... Odour Control Pretreatments Grit removal Oil removal Primary settling Tertiary treatment Sludge treatment Sludge dewatering Odour Olfactometry ... gaseous, odorous pollutants in a wastewater treatment plant...

the main discharge standards Table 5. The main discharge standards Following treatment the sludge’s dry content.will be 7%. description and diagram of the facility screen and homogenisation ... Waste water Sludge treatment ... Densadeg Ultrafor Industrial effluent treatment Agri-food industry Tertiary treatment Sludge treatment Biological processes Membrane bioreactor...

-load activated sludge. Performance levels achieved with biological treatment are normally in the region of 95% of BOD5 and 50 to 80% of COD reduction, depending on the type of process and especially ... Waste water Sludge treatment ... Industrial effluent treatment Pulp and paper industry Methane fermentation Settling Biological processes Pretreatments Tertiary treatment Sludge treatment Odour Control ... Sludge dewatering Deodorization/Venting/Evaporation Flocculation/Sedimentation/Flotation Methanisation Pretreatment Biological processes...