#: locale=fr
## Action
### URL
WebFrame_7A2E816E_61D5_85A8_41B6_2012F2529622.url = https://www.yumpu.com/fr/document/view/17611653/tailfer-la-technologie-au-service-de-leau-vivaqua
## Hotspot
### Tooltip
HotspotPanoramaOverlayArea_471AED97_73A2_F7A8_41C7_49C01702DB6D.toolTip = Block B Filters 1
HotspotPanoramaOverlayArea_47FB2DEE_73A1_9779_41D8_F7C9C7A10A8E.toolTip = Block B Filters 2
HotspotPanoramaOverlayArea_47F5F123_72A2_8CE8_41D3_0CFA8830B10C.toolTip = Flow of water separated from the flocs
HotspotPanoramaOverlayArea_37D8201F_77FE_8CD8_41B1_3457F2F24876.toolTip = HV (high voltage) cabin 6kV
HotspotPanoramaOverlayArea_374680D4_77E1_8DA8_41C9_1C0F9218D9F0.toolTip = Photo
HotspotPanoramaOverlayArea_3492818C_72A1_8FB8_41CC_FC86B56A68C4.toolTip = Rinsing of the rotary sieves with 2mm x 2mm mesh size
HotspotPanoramaOverlayArea_EAA38312_F645_2A92_41C9_6FB39DD16B65.toolTip = Unclogging of the filter grid of a water inlet in the Meuse river
HotspotPanoramaOverlayArea_31A1DE9A_013D_CF35_4188_21997C5ABADF.toolTip = Unclogging of the filter grid of a water inlet in the Meuse river
HotspotPanoramaOverlayArea_4E494CEC_7362_9578_41BF_69A83E4C4743.toolTip = Washing of a filter
## Media
### Audio
AudioResource_14C06908_1B54_C781_41A6_0BB48017964B.mp3Url = media/audio_38280CFF_26A0_D9A0_41B0_1D4C52020E7E_fr.mp3
AudioResource_14C06908_1B54_C781_41A6_0BB48017964B.oggUrl = media/audio_38280CFF_26A0_D9A0_41B0_1D4C52020E7E_fr.ogg
audiores_0B71A0D8_26A1_C9E0_4196_FC089ABAE2AC.mp3Url = media/audio_38491890_26A0_D860_4180_2AE5B6048378_fr.mp3
audiores_0B71A0D8_26A1_C9E0_4196_FC089ABAE2AC.oggUrl = media/audio_38491890_26A0_D860_4180_2AE5B6048378_fr.ogg
audiores_0B73E16B_26A1_C8A0_419B_378C2EE9899A.mp3Url = media/audio_384CC98D_26A0_D860_41BE_6A62B9CDA627_fr.mp3
audiores_0B73E16B_26A1_C8A0_419B_378C2EE9899A.oggUrl = media/audio_384CC98D_26A0_D860_41BE_6A62B9CDA627_fr.ogg
audiores_0B7DD268_26A1_C8A0_4181_A8736C2F91AC.mp3Url = media/audio_384E7A48_26A0_D8E0_41C1_656DD125840F_fr.mp3
audiores_0B7DD268_26A1_C8A0_4181_A8736C2F91AC.oggUrl = media/audio_384E7A48_26A0_D8E0_41C1_656DD125840F_fr.ogg
AudioResource_14C10907_1B54_C78F_41BA_5944C9A60515.mp3Url = media/audio_386F127D_26A0_48A0_41BB_09517CC5DD05_fr.mp3
AudioResource_14C10907_1B54_C78F_41BA_5944C9A60515.oggUrl = media/audio_386F127D_26A0_48A0_41BB_09517CC5DD05_fr.ogg
AudioResource_14C23908_1B54_C781_41BB_3C37F8847740.mp3Url = media/audio_3898012B_26AF_C8A0_41BA_ACB5E0E2030C_fr.mp3
AudioResource_14C23908_1B54_C781_41BB_3C37F8847740.oggUrl = media/audio_3898012B_26AF_C8A0_41BA_ACB5E0E2030C_fr.ogg
AudioResource_14CFF908_1B54_C781_41B9_1F8EA020785C.mp3Url = media/audio_38D2498A_26A0_F860_416E_2DFBDEABA200_fr.mp3
AudioResource_14CFF908_1B54_C781_41B9_1F8EA020785C.oggUrl = media/audio_38D2498A_26A0_F860_416E_2DFBDEABA200_fr.ogg
AudioResource_14C0F908_1B54_C781_41B4_71533035F555.mp3Url = media/audio_38DA2C4F_26A0_58E0_41B8_2601F7998358_fr.mp3
AudioResource_14C0F908_1B54_C781_41B4_71533035F555.oggUrl = media/audio_38DA2C4F_26A0_58E0_41B8_2601F7998358_fr.ogg
AudioResource_14C1A908_1B54_C781_419C_400BFFE92F99.mp3Url = media/audio_38F1107F_26A0_C8A0_419A_7A64B9063D04_fr.mp3
AudioResource_14C1A908_1B54_C781_419C_400BFFE92F99.oggUrl = media/audio_38F1107F_26A0_C8A0_419A_7A64B9063D04_fr.ogg
AudioResource_14C1E908_1B54_C781_41B3_00D709464CB3.mp3Url = media/audio_38FF12C3_26AF_C9E0_41C2_06DECB0934A7_fr.mp3
AudioResource_14C1E908_1B54_C781_41B3_00D709464CB3.oggUrl = media/audio_38FF12C3_26AF_C9E0_41C2_06DECB0934A7_fr.ogg
AudioResource_14C1D908_1B54_C781_4165_6CBEE69CAA7C.mp3Url = media/audio_39FBD569_77AE_9778_41C5_509D56AFAE42_fr.mp3
AudioResource_14C1D908_1B54_C781_4165_6CBEE69CAA7C.oggUrl = media/audio_39FBD569_77AE_9778_41C5_509D56AFAE42_fr.ogg
AudioResource_14C27908_1B54_C781_41B7_4AA57C7C466B.mp3Url = media/audio_3B09A219_26A0_4860_41A8_C26F5AB17CE1_fr.mp3
AudioResource_14C27908_1B54_C781_41B7_4AA57C7C466B.oggUrl = media/audio_3B09A219_26A0_4860_41A8_C26F5AB17CE1_fr.ogg
AudioResource_14C21908_1B54_C781_4197_7AD571441497.mp3Url = media/audio_3B78DEF9_26A0_59A0_4181_6B170C2703B3_fr.mp3
AudioResource_14C21908_1B54_C781_4197_7AD571441497.oggUrl = media/audio_3B78DEF9_26A0_59A0_4181_6B170C2703B3_fr.ogg
audiores_0B7F4368_26A1_C8A0_41C0_E2AD74A89AE0.mp3Url = media/audio_3BE7CAED_26A0_D9A0_4180_DD1E3D10B4B7_fr.mp3
audiores_0B7F4368_26A1_C8A0_41C0_E2AD74A89AE0.oggUrl = media/audio_3BE7CAED_26A0_D9A0_4180_DD1E3D10B4B7_fr.ogg
AudioResource_14C05908_1B54_C781_41BA_645750658598.mp3Url = media/audio_3EFE3B1E_77A6_9CD8_41D6_24967ECF0243_fr.mp3
AudioResource_14C05908_1B54_C781_41BA_645750658598.oggUrl = media/audio_3EFE3B1E_77A6_9CD8_41D6_24967ECF0243_fr.ogg
AudioResource_14C1C908_1B54_C781_4185_F046E1C1BD38.mp3Url = media/audio_73B66EF7_615E_BCB8_41D0_71651A226329_fr.mp3
AudioResource_14C1C908_1B54_C781_4185_F046E1C1BD38.oggUrl = media/audio_73B66EF7_615E_BCB8_41D0_71651A226329_fr.ogg
AudioResource_14C12908_1B54_C781_4186_F89968602D12.mp3Url = media/audio_755E56A1_613D_8F58_41D7_90F2B1D6818B_fr.mp3
AudioResource_14C12908_1B54_C781_4186_F89968602D12.oggUrl = media/audio_755E56A1_613D_8F58_41D7_90F2B1D6818B_fr.ogg
AudioResource_14C0A908_1B54_C781_41B3_DF9546D80192.mp3Url = media/audio_75D7DAD5_61D2_84F8_41B4_CC2295099B8D_fr.mp3
AudioResource_14C0A908_1B54_C781_41B3_DF9546D80192.oggUrl = media/audio_75D7DAD5_61D2_84F8_41B4_CC2295099B8D_fr.ogg
AudioResource_14C03908_1B54_C781_419B_C4252B1AC8E8.mp3Url = media/audio_75E63C16_61D2_8378_41C0_552BA581C6C2_fr.mp3
AudioResource_14C03908_1B54_C781_419B_C4252B1AC8E8.oggUrl = media/audio_75E63C16_61D2_8378_41C0_552BA581C6C2_fr.ogg
AudioResource_14C2A907_1B54_C78F_4199_5625930CC53C.mp3Url = media/audio_75E71C7A_61D2_83A8_41D0_4680B84358FD_fr.mp3
AudioResource_14C2A907_1B54_C78F_4199_5625930CC53C.oggUrl = media/audio_75E71C7A_61D2_83A8_41D0_4680B84358FD_fr.ogg
### Image
imlevel_6044C92A_472B_0EAD_418B_5E2C32AB6E81.url = media/popup_374F00D4_77E1_8DA8_41BB_40EB411DF1DF_fr_0_0.jpg
imlevel_6044D92A_472B_0EAD_41C0_60D86099442B.url = media/popup_374F00D4_77E1_8DA8_41BB_40EB411DF1DF_fr_0_1.jpg
imlevel_6044B919_472B_0E6F_41D0_DCFB330C88C6.url = media/popup_37D0102C_77FE_8CF8_41AC_F8ABCA7C7743_fr_0_0.jpg
imlevel_60448919_472B_0E6F_41A5_DB1957A30402.url = media/popup_37D0102C_77FE_8CF8_41AC_F8ABCA7C7743_fr_0_1.jpg
imlevel_604F974C_472B_02E5_41D1_37B636C56278.url = media/popup_390DD651_72BE_94A8_41DC_4095D9E2EC7D_fr_0_0.jpg
imlevel_604FE74C_472B_02E5_41A6_B5CD45FB84C9.url = media/popup_390DD651_72BE_94A8_41DC_4095D9E2EC7D_fr_0_1.jpg
imlevel_58F77C87_78F0_6E57_418D_7E07E3BFFA16.url = media/zoomImage_2AE04C61_72FE_F568_41D9_E8CF0E67AAC6_fr_0_0.jpg
imlevel_58F76C87_78F0_6E57_41D7_0EB92E0F17A7.url = media/zoomImage_2AE04C61_72FE_F568_41D9_E8CF0E67AAC6_fr_0_1.jpg
imlevel_58F74C87_78F0_6E57_4173_0D2461740FB4.url = media/zoomImage_2AE04C61_72FE_F568_41D9_E8CF0E67AAC6_fr_0_2.jpg
### Popup Image
### Title
panorama_773A4E80_6172_9F58_4112_4A9E33929400.label = 1. The intake station
panorama_773BD340_6173_85D8_41CB_8661A49CE73A.label = 10. Postfiltration C
panorama_773B2319_6172_8568_41D1_1762660158F4.label = 11. Delivery
panorama_773B26AC_6172_8CA8_41CA_16E7B907195C.label = 12. Control room
panorama_773B5C2C_6172_83A8_41D8_3E709222A797.label = 13. Emergency diesel generators
panorama_48B55DBE_6176_9CA6_41D2_0C0595031D6A.label = 14. Laboratory
panorama_773CF192_6175_8578_41D4_FBDC18908CCB.label = 2. Pre-ozonation
panorama_773CB0EB_6175_84A8_41D0_85F684E6332C.label = 3. Injection of reagents
panorama_773CAACF_6175_84E8_41C2_FA8E95C2AAF5.label = 4. Chlorination
panorama_77331643_6176_8FD8_41BB_E196D8853835.label = 5. Decantation
panorama_773CE53A_6175_8DA8_4189_EB778392958E.label = 6. Filtration
panorama_773BAE54_6173_9FF8_41C2_495E589B1A7E.label = 7. Ozonation
panorama_773B8974_6173_85B8_419C_EAB1AC3DAD52.label = 8. Postfiltration A
panorama_773B9DE9_6173_9CA8_41B0_05E6327A3FBD.label = 9. Postfiltration B
album_48D6979D_635F_8D6B_41D0_665BECD0C4CD.label = Photo Album schema-traitement
panorama_569B2C06_72E3_94A8_41D2_C2A711A2DB12.label = The Tailfer production facility
video_4D428CAB_62F3_FCA8_41C2_16B492FF3160.label = Vue du ciel
video_29172D07_7762_94A8_41DD_44EADA7DDA34.label = filtre
video_63482C81_7890_2E4B_41D4_A0CD3A1FC6B0.label = logo-reveal-vivaqua2
album_48D6979D_635F_8D6B_41D0_665BECD0C4CD_0.label = schema-traitement
video_4AE3AB91_72A6_93A8_41D7_F27B78F64DCA.label = station-nourriciere
video_4EAADE73_7366_9568_41D2_2502EF96F1BA.label = tamis
### Video
videolevel_58841979_78F0_76BB_418B_B87160DB6CB1.url = media/video_29172D07_7762_94A8_41DD_44EADA7DDA34_fr.mp4
videolevel_58841979_78F0_76BB_418B_B87160DB6CB1.posterURL = media/video_29172D07_7762_94A8_41DD_44EADA7DDA34_poster_fr.jpg
videolevel_5880B99E_78F0_7679_41D2_8971B0E56975.url = media/video_4AE3AB91_72A6_93A8_41D7_F27B78F64DCA_fr.mp4
videolevel_5880B99E_78F0_7679_41D2_8971B0E56975.posterURL = media/video_4AE3AB91_72A6_93A8_41D7_F27B78F64DCA_poster_fr.jpg
videolevel_588388EC_78F0_77D9_41A1_F221EA6AF912.url = media/video_4D428CAB_62F3_FCA8_41C2_16B492FF3160_fr.mp4
videolevel_588388EC_78F0_77D9_41A1_F221EA6AF912.posterURL = media/video_4D428CAB_62F3_FCA8_41C2_16B492FF3160_poster_fr.jpg
videolevel_58818962_78F0_76C9_41CE_446B1D0C573A.url = media/video_4EAADE73_7366_9568_41D2_2502EF96F1BA_fr.mp4
videolevel_58818962_78F0_76C9_41CE_446B1D0C573A.posterURL = media/video_4EAADE73_7366_9568_41D2_2502EF96F1BA_poster_fr.jpg
videolevel_588F1ABB_78F0_6BBF_41B7_F2E1B23CE973.url = media/video_63482C81_7890_2E4B_41D4_A0CD3A1FC6B0_fr.mp4
videolevel_588F1ABB_78F0_6BBF_41B7_F2E1B23CE973.posterURL = media/video_63482C81_7890_2E4B_41D4_A0CD3A1FC6B0_poster_fr.jpg
## Popup
### Title
window_152E7762_0517_9BC0_4185_122732D79479.title = Rinsing of the rotary sieves with 2mm x 2mm mesh size
window_0A5AC57A_0515_9FC0_4183_79DF5041BC9F.title = Unclogging of the filter grid of a water inlet in the Meuse river
window_15397386_0515_BB40_4166_848328D3F596.title = Unclogging of the filter grid of a water inlet in the Meuse river
window_50027E0C_6FF0_748A_41CB_159FD139E8FA.title = Washing of a filter
## Skin
### Image
Image_24458888_72E2_7DB8_41DE_5712930A96DA.url = skin/Image_24458888_72E2_7DB8_41DE_5712930A96DA_fr.png
Image_2A2B16FA_72A2_9558_41DC_FF484A09BC38.url = skin/Image_2A2B16FA_72A2_9558_41DC_FF484A09BC38_fr.jpg
Image_35F41F98_77E3_93D8_41C6_E7BFD608A207.url = skin/Image_35F41F98_77E3_93D8_41C6_E7BFD608A207_fr.png
Image_37CAE67D_779E_F558_41C1_D99858B805AB.url = skin/Image_37CAE67D_779E_F558_41C1_D99858B805AB_fr.png
Image_49C7F229_6352_87A8_41D4_D2E17C592300.url = skin/Image_49C7F229_6352_87A8_41D4_D2E17C592300_fr.jpg
Image_6F810C7C_616E_83A8_4190_AE6F9E7805A0.url = skin/Image_6F810C7C_616E_83A8_4190_AE6F9E7805A0_fr.png
Image_7B74E0EA_6FEF_8D78_41C2_0882153BE4FD.url = skin/Image_7B74E0EA_6FEF_8D78_41C2_0882153BE4FD_fr.png
Image_7C7BE45A_6157_83E8_41D6_68351174EBD6.url = skin/Image_7C7BE45A_6157_83E8_41D6_68351174EBD6_fr.png
Image_7CB9F1A8_6FEE_8FF8_41D6_5E62189C6EBA.url = skin/Image_7CB9F1A8_6FEE_8FF8_41D6_5E62189C6EBA_fr.jpg
Image_7DE3B59A_6911_E2E0_41D3_E1AF7DF208C7.url = skin/Image_7DE3B59A_6911_E2E0_41D3_E1AF7DF208C7_fr.jpg
Image_B4E8947E_98B6_1EFF_41BB_6DE59CE6C3BC.url = skin/Image_B4E8947E_98B6_1EFF_41BB_6DE59CE6C3BC_fr.jpg
Image_B4E8B47E_98B6_1EFF_41C9_8ADC833E8AD0.url = skin/Image_B4E8B47E_98B6_1EFF_41C9_8ADC833E8AD0_fr.png
### Label
Label_D62B799A_F65F_D992_41EA_01AFE6E690E4.text = Guide audio
Label_AE7BD20B_EA4D_2A72_41D5_1F0626908C64.text = History
Label_D79F2B40_EA43_DAEE_41DD_922CE9894369.text = Intro
Label_F67F02E6_EA45_6BB2_41E3_583CC8407303.text = Next step
Label_C7B89301_EAC2_EA6E_41E9_A7E87EC38E1E.text = Previous step
Label_F27DA76A_EA47_2AB2_41E6_595DCEFF41F6.text = Sky view
Label_F2270869_EA46_E6BE_41E2_1206C4022C44.text = Steps
Label_F0F8EAE3_EA43_5BB2_41E7_D666D9D843FE.text = Treatment
Label_F3742F27_EA45_5AB2_41EB_D81E4558DCAE.text = Video
Label_155A097A_0115_F5F5_4155_392347AACEB5.text = {{title}}
Label_CC69B95F_EACD_2692_41E2_3FE485F609A3.text = Étape suivante
### Multiline Text
HTMLText_B4E8547E_98B6_1EFF_4192_58966003C835.html = Welcome to the 360° virtual tour of the Tailfer water facility!
To get the most of our experience, open the tour on desktop.
Chlorination: safeguards water quality during transport
Chlorination occurs at the end of treatment. In order for the water to remain drinkable until its final destination, chlorinated water is injected into it, which will prevent any bacteria development.
Control room: the plant operators
The electromechanical technicians in the control room control the plant. They adjust water flows according to demand and all of the processing parameters.
They monitor the proper functioning of the plant 24/7 and can intervene in the event of a failure.
The plant produces between 60,000
and 180,000 m³ of water per day.
Decantation: separation of sludge from the water
In this building, the water containing flocs undergoes decantation in two steps.
The first is pulsed and occurs in the pulsators. The water undergoes an upward suction movement and then a downward release movement.
Due to this back-and-forth movement, the flocs are separated from the water and can be recovered and taken away to sludge treatment.
The second decantation is static, taking place in long tunnels at the bottom of which the flocs still present in the water are deposited.
The clarified water is then ready for filtration.
Delivery: on the way to the consumer and to Brussels
The water passes through two buffer tanks and is delivered by high pressure pumps to the Bois-de-Villers reservoir after passing under the Meuse.
From this reservoir, the water is transported by gravity and under pressure to the 3 Regions of the country.
Emergency diesel generators:
self-sufficiency
Four powerful diesel generators (4,000 HP each) can provide the plant's entire power supply in the event of a network failure.
Filtration
Next, the water passes through five biological filters, passing from top to bottom through an 80cm layer of granular activated carbon and then a 40 cm layer of sand.
Suspended particles are mechanically retained and dissolved organic matter is partially degraded by micro-organisms that develop in the filter mass.
When a filter is clogged, it is cleaned in two stages, first with compressed air and then with water (see video).
The washing water is sent to sludge treatment.
Injection of reagents: chemistry comes into play
From this step until the ozonation outlet, the plant is divided into four independent modules. In each of them, the water passes through a series of tanks where it receives different reagents.
Sulphuric acid reduces the pH of the water from the Meuse to an optimal value to enable the various elements present in the water to coagulate properly. Aluminium sulphate enables this coagulation.
Particles suspended in the water bind together into small clumps, called flocs.
These clumps, weighed down by the injection of activated silica, can be separated from the water in the next step: decantation. This process is called flocculation.
Ozonation: water disinfection
The water receives a second dose of ozone produced on-site.
Here, the ozone disinfects the water by destroying bacteria, viruses and other infectious micro-organisms.
This step ensures the water is drinkable.
Post-filtration: refinement
Post-filtration A: the pump room
Water is pumped upwards to be sent to the granular activated carbon filters.
Post-filtration: refinement
Post-filtration B: granular activated carbon
Filtration through 3 metres of granular activated carbon improves the biological stability of the water and removes any pesticides that may still be present.
Post-filtration: refinement
Post-filtration C: the outlet to the treated water tanks
Caustic soda is injected at this stage. It will correct the aggressiveness of the water
(aggressiveness resulting from the injection of reagents at the start of treatment).
Next, the drinking water is sent to the storage tanks, after receiving an injection of chlorinated water.
Pre-ozonation: pre-treatment
Here, the sieved raw water undergoes oxidation by an initial injection of ozone, produced on-site from the ambient air.
Oxidation breaks up the large molecules present in water. This is intended to enable the chemical reagents injected in the next step to perform their role as effectively as possible.
The laboratory: quality control
The chemists in the Tailfer laboratory monitor the quality of the Meuse water and the treatment process, which they adapt according to the quality of the resource, which varies according to the seasons or weather events.
The intake station: abstraction
VIVAQUA abstracts the water from the Meuse using two water inlets placed in the riverbed, approximately 20 metres from the bank. VIVAQUA pumps an average of between 1 and 2 m³ of water per second.
A third emergency inlet, just below the surface of the river, can be activated if necessary.
The water inlets are equipped with large-mesh grates (30 x 30 mm) that catch gravel and large debris.
When the water level rises, the inlets become clogged. In that case, an automatic compressed air system helps to clear them (see video). The water arrives at the intake station and passes through small-mesh rotary sieves that mainly catch small shell, leaf and wood debris.
Next, pumps bring the water to the highest point of the plant. From there, the water starts being treated and circulates in the plant due to gravity, until ozonation.
Tailfer: technology in the service of water...
The Tailfer production facility converts raw water from the Meuse into drinking water and provides 30% of VIVAQUA’s total production. It is VIVAQUA’s only surface water catchment site. The majority of the water produced by VIVAQUA is of underground origin.
Location
Profondeville (Lustin), 9 km south of Namur, on the right bank of the Meuse.
Production capacity
The maximum flow rate that can be captured in the Meuse is 3 m³/second, i.e. 260,000
m³/day. The plant has a modular design and is divided into four units of 60,000 m³/day.
The production capacity in long-term regime is 180,000 m³/day and 240,000 m³/day in peak state. Tailfer is VIVAQUA’s largest catchment site.