Use our comprehensive technology map to see all of the applications our solutions are suitable for. For more information contact our experience technical team - 01628 896 9000
Technology Map
| Process Water | |||
|---|---|---|---|
Challenge |
Target parameters |
Traditional technology |
VWS Solution |
Obtain industrial greyed water |
SS, turbity |
Screening in line coagulation/floculation. Clarification (sedimentation or flotation). Filtration: Sandfilters, multimedia filters, activated carbon filters (rare, for pesticides and chlorine |
Drumfilters, Discfilters® |
Purify water to obtain potable water |
M.O, Arsenic, Bacteria |
UV Ozonation, Arsenic removal, Chlorination |
UV-Aster®/ UV-Star® |
Avoid precipitation in circuits and boilers |
CaCO³, Free chlorine, Fe, Mn |
Softening, Anticalant, bisulfite, WTC (WaterTreatment Chemical) Fe, Mn Removal |
Softeners range (Berkoion Softeners) |
Protect membranes from SS and sand leakage, Salinity removal |
SS, Sand, Anthracite, Salts: Sulfate, nitrate |
Microfiltration Ultrafiltration, Nanofiltration, RO |
Pur'Bev (MM filtration + RO + disinfection (UV or Ozone or CI²)) |
| Wastewater |
| ||
|---|---|---|---|
Challenge |
Target parameters |
Traditional technology |
VWS Solutions |
Pre-treatments: |
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Prepare effluent for biological treatment, eliminate what can't be eliminated in biological treatment |
Non soluble |
Buffer tank |
Recirculation of effluents in buffer tanks allowing a pre-processing of COD, Idrascreen®, Drumfilters, Discfilters®, Actiflo®, Actiflo® Package plant |
Grease, Oil |
Grease separation:
Grease Treatment:
Grease anaerobic treatment (injection of >20% in digester) |
Idraflot® DAF | |
|
In case of methanisation downstream |
Balance and preacidification tank, Divert tank (out of spec effluents), Conditioning sump (pH, Nutrients) |
|
Primary Treatment |
|
|
|
Treat biodegradable COD, lower the load for downstream aerobic treatment Valoriz biogas |
Biodegradable COD |
Anaerobic Biological Treatment |
Filter including AnoxKaldnes® media Biopaq® UASB |
Secondary Treatment |
|
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Most common (when no specific requirement) lower cost and easy to operate. Compacity required. Small scale plants |
Regular COD level |
Aerobic biological treatment |
Azenit® |
Compact footprint and very good quality required. If existing treatment plant requires higher capacity (MBBR as primary treatment) or if compacity required |
High COD Level |
Membrane filtration (MBR = membrane Bioreactor) |
AnoxKaldnes® MBBR |
Limit amount of sludge produced. Revamping of the WWTP. When overload of the WWTP |
NH₄, NO₃ |
Nitrification/denitrification (in activated sludge basin in specific conditions) |
Biodenipho®, Biodentro |
Tertiary and specific treatments |
|
||
If SS final content after activated sludge must be low |
SS |
Fine Screening, Clarification (= chemical products), Filtration |
Discfilters & Drumfilters |
Specific treatment |
Nitrate, phosphate |
Tertiary nitrate removal, tertiary phosphate removal |
Biodenipho®, Biodenitro®, Azenit®, Azae® (step-fed Azenit®) |
| Water recycling |
| ||
|---|---|---|---|
Challenge |
Target parameters |
Traditional technology |
VWS Solution |
Reuse for utilities (effluent polishing) |
SS, Microorganisms, Salt |
Filtration: |
RO unit (D&B) (expertise for Beverage industry) |
Prevent water shortage and high water cost |
Microoganisms |
Disinfection: UV, Ozone, Chlorination Deionisation: Resin Ion Exchange units, RO |
Rapide Strata and Strata+ (standard units), DUFN (standard & D&B) |
| Sludge |
| ||
|---|---|---|---|
Challenge |
Target Parameters |
Traditional technology |
VWS Solutions |
Treat and/or eliminate the sludge |
Primary Physico-chemical sludge |
Land spreading |
SEDE |
In the case when there is anaerobic treatment prior to aerobic treatment (less sludge) |
Thickening, Dewatering, Mechanical drying: Filter press |
Gravitek®, Dribelt®, INOS®, Biocon® (if large volume) | |
In the case when there is no Anaerobic pretreatment. When very large volumes |
Anaerobic digestion: Thermophilic (R&D), Pasteurisation, Sanitization for safety |
Biotherm®, Biopasteur® | |
Valorisation of sludge: |
Anaerobic sludge |
Sold to another anaerobic digestor owner |
Athos®, Biothelys® |
| Odours |
| ||
|---|---|---|---|
Challenge |
Target parameters |
Traditional technology |
VWS Solutions |
Odour reduction and by-products reuse (Biogas) |
Air Contamination |
Evitate fermentations and cover the basins |
|
Nox |
1. Collect Nauseous gas |
Activated carbon | |
SO₂ |
2. Gas treatment: |
Aquilair®, Idradeo (Zeolite gel), Thiopaq® | |
Chemical treatment: stabilization with lime, gas cleaning: send through chemical towers spreading acid, soda and sodium hypochloride |
Saphyr® | ||
Other: Activated carbon tower. Odour detection |
Odowatch "electronic nose" |