sand: the head loss suffered by the filter before it is washed must be such that, when reduced to its value for an average filtration rate, it reaches the customary values of 1.75 to 2 metres ... Filtration, Filters ... Filtration Filters...

to upflow (backwashing) and downflow (filtration, rapid drainage) stresses; operation must remain sustainable without the need for any intervention. degremont® nozzle floors have been designed ... Filtration, Filters ... Filtration Filters...

if this water contains suspended solids. It is perfectly suited to derived filtration on a cooling circuit for example. Furthermore, in industry, and namely on cooling circuits or on water loaded with adhesive ... Filtration, Filters ... Filtration Filters...

Filtration, Filters ... Filtration Filters...

Sludge treatment, Filtration ... Sludge treatment Filtration...

The Carbazur Is a downflow filter with level control. It uses Granular Activated Carbon (GAC) filtration material over a height of 1.2 to 2.5 m (normal range). The water to be filtered is brought ... Filtration, Drinking water, Carbazur, GAC ... Filtration Drinking water Carbazur GAC ... Characterized by a constant water level maintains by dedicated control system for each filter (standard regulation valve or partialized siphon) A great height of water above filtration media...

Filtration, Mediazur, Drinking water ... Filtration Mediazur Drinking water ... Can treats highly loaded water due to long filtration cycle duration Very good and stable filtered water quality : good layer re-grading after washing, regular cycle times Adapted...

Two primary techniques can be used to limit the metal concentrations in the discharges: tertiary filtration and polishing resins. tertiary filtration Subsequent to sedimentation, we may wish ... Filtration, Industrial effluent treatment, Sand filtration ... Filtration Industrial effluent treatment Sand filtration...

Pressure filtration takes place in closed chambers. Unlike the belt filter system, sludge is compelled to undergo the stress applied (creep is not possible). This relatively old technique is still ... Filtration, Sludge treatment, Filters ... Filtration Sludge treatment Filters...

These filters have been designed for use with granular activated carbon ( GAC ); they can also be adapted for filtration using other lightweight materials (pumice, anthracite …). The Carbazur GH ... Filtration, Filters, Carbazur, GAC ... Filtration Filters Carbazur GAC...

and water backwash phase Aquazur V filter A high filtration rate of between 7 and 20 m · h–1, requires specific choices of technology, relating especially to: the choice and depth of filtering ... Filtration, Aquazur, Filters, Regulazur ... Filtration Aquazur Filters Regulazur...

Fine drops of hydrocarbons (1 to 20 mm) suspended in water are trapped by the media, using the same mechanisms as for suspended solids (see section filtration), and feed a film that gradually ... Filtration, Filters, Grease removal ... Filtration Filters Grease removal...

to 20 minutes and ends with the filter refilling back up to its normal filtration level. advantages of the filtrazur filter This filter incorporates all the principles that are characteristic of good ... Filtration, Filtrazur, Aquazur, Filters ... Filtration Filtrazur Aquazur Filters...

The Greenleaf filter uses an original wash and filtration regulation system. This gravity filter uses its filtered water output to wash itself and does not require any wash make-up water except when ... Filtration, Filters, Greenleaf ... Filtration Filters Greenleaf...

in a post-treatment stage comprising disinfection and, if necessary, filtration. Parameters applicable to activated sludge were discussed in suspended growth (activated sludge) process. Table 1 summarises ... Filtration, Activated sludge, Disinfection ... Filtration Activated sludge Disinfection...

specific resistance to r filtration This is the resistance opposed to filtration (or to the outflow of the filtrate) by a quantity of cake deposited on 1 m² of filter surface area and containing 1 ... Filtration, Sludge treatment, Sludge conditioning ... Filtration Sludge treatment Sludge conditioning...

These filters are loaded with two layers of different materials (e.g. sand-anthracite), with a high water head and a filtration rate of between 7 and 20 m · h–1. Dualmedia filters are usually air ... Filtration, Mediazur, Filters, Aquazur ... Filtration Mediazur Filters Aquazur...

in a wholly conventional manner. A heating cycle is initiated as soon as the filtration cycle ends. Calories (water heated to 90°C) are sent to the cake indirectly by the plates themselves; these plates ... Filtration, Sludge treatment, Filters ... Filtration Sludge treatment Filters...

collected without loosing any matter. If M(g) is the mass of residual dry solids obtained and V (mL) the volume of sludge centrifuged (V = 160 or 320 mL). filtration method This method is typically ... Sludge treatment, Centrifugation, Filtration ... Sludge treatment Centrifugation Filtration...

…) pressurised microstraining or macrostraining systems, also known as mechanical filtration, can also be recommended. These filters (figure 5) have a semi-continuous wash system that removes sludge simply using ... Filtration, Wastewater, Pretreatments, Straining ... Filtration Wastewater Pretreatments Straining...