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tecnologia sobre biofiltros desarrollados en suecia
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Järven Ecotech ABPresentation
Göran [email protected]
Overview
Business areas
JÄRVEN ECOTECH AB
• Established on 30 years experience of creating water purification.
• The business concept of Järven Ecotech AB is to offer cost effective water purification built on our experience and patented plug and play concept. As well as understanding functional hydraulic conditions to achieve maximum purification.
• To ad extra value into water treatment.
Solutions by Järven Ecotech
• Municipality waste water treatment by FELLINGSDAM
• Lake restauration by pond in lake solution.• Leachate water and industrial waste water
treatment.
Fellingsdam
• Fellingsdam = Waste Water Treatment by chemical precipitation.
• Developed in Örnsköldsvik 30 year ago to meet local demands on improved and sustainable waste water treatment at a reasonable cost.
• Suitable for villages and smaller cities with accessible land at reasonable cost
Mid Sweden locations
FELLINGSDAM
We have extended the hydraulic
detention time from 7 hours to 7 days just by installing 2
float walls in a square pond of
10000m2
Save 80% in construction and operational costs
” Water behaves as lazy schoolchildren, it always takes the fastest route, no matter how many road signs there are. ”*
*Professor emeritus Alexander Maastik, at Tartu University, Estonia
FELLINGSDAMSFELLINGSDAMS
LAYOUT OF JÄRVEN FELLINGSDAM SYSTEM
DOSAGE CONTAINER
SOLID WASTE SEPERATOR
• Built in a standard 20” white container which guarantees easy handling.Built in a standard 20” white container which guarantees easy handling.
• Easy access with all components within a few meters.Easy access with all components within a few meters.
• Internal power supply to guarantee constant power supply.Internal power supply to guarantee constant power supply.
DOSAGE CONTAINERDOSAGE CONTAINER
DOSAGE CONTAINER SPECIFICATIONS•Dosage Equipment, all pipes, valves is Dosage Equipment, all pipes, valves is
prepared inside the container, to be connected prepared inside the container, to be connected
to the cistern under the unit.to the cistern under the unit.•Plastic tanks installed inside the container with Plastic tanks installed inside the container with
a volume of approximately 3000 L coagulant a volume of approximately 3000 L coagulant
(Pax), refilling through a hatch in the wall.(Pax), refilling through a hatch in the wall.•At operations disturbance a At operations disturbance a warning light will warning light will
start, mounted start, mounted outside of the container.outside of the container.
OptionsOptions•Workstation inside the container, prepared for Workstation inside the container, prepared for
PC/printerPC/printer•Measuring equipment for incoming Ph, Water Measuring equipment for incoming Ph, Water
flow/time unitflow/time unit•Maneuverability for the mixer/ oxygenator Maneuverability for the mixer/ oxygenator •Computer and software for remote Computer and software for remote
monitoring.monitoring.
Specification part 1 (3)Dosage/technical
Irrigation with waste water from fellingsdam
FELLINGSDAM ADVANTAGES
•High phosphorous reduction
•Very high capture of particulate oxygen depleting substances
•Disinfection
•Very energy efficient
•Great sludge Handling
•Few moving parts
•Highly dependable
•Adaptable to environmental surroundings, both the natural terrain and local building traditions
•No risk for overloaded systems, all waste water is treated in the ponds without passing pipes.
Low cost – High quality solution
SURFACE WATER PURIFICATIONIN THE RECIPIENT
THE PRINCIPLE IN THEORYTHE PRINCIPLE IN THEORY
”TREKANTEN”Wheelchair accessible fishing spot, weddings bridge or surface water purification?
Shortcut or surface water purification?
”ÄLTASJÖN”
To think about withwater purification plants in flowing water
• To be able to withstand flowing water ( >2 M/s ) a velocity absorber have to be placed upstream of the plant.
• There is a built in obstacle to prevent spawning fish to enter the plant.
Surface water depository that is almost invisible
”CENTRAL BRIDGE NORRSTRÖM”
”CENTRAL BRIDGE NORRSTRÖM”Ecotech pond under a bridge
OPTIMISATION OF ECOTECH PONDS
• The purification effect can be increased by steering the water through natural or planted fields of water plants.
• The water plants needs ”harvest” to maintain a high reducing effect of N and P.
Surface water purification the natural waySurface water purification the natural way””DREVVIKEN”DREVVIKEN”
””FLATEN”FLATEN”
””TANTOLUNDEN”TANTOLUNDEN”Ecotech pond combined with marinaEcotech pond combined with marina
””TANTOLUNDEN”TANTOLUNDEN”Ecotech pond combined with marinaEcotech pond combined with marina
””TANTOLUNDEN”TANTOLUNDEN”Ecotech pond combined with marinaEcotech pond combined with marina
””Marievik”Marievik”Ecotech pond hidden under quaysideEcotech pond hidden under quayside
””ARLANDA AIRPORT”ARLANDA AIRPORT”Ecotech pond for treatment of surface waterEcotech pond for treatment of surface water
””ARLANDA AIRPORT”ARLANDA AIRPORT”Ecotech pond for treatment of surface waterEcotech pond for treatment of surface water
”Landfill areas & Leachate water”Ecotech walls & aeration system
”Landfill areas & Leachate water”Ecotech walls & aeration system
AIRTURBO RV2- Engine effect 3,0 kWh- Air flow/transportation 14,5 lit/sek - Min-/Max depth 0,5-6m- Floating elements 35l, Polyeten PEMD, Stålram SS2333 RF
”Landfill areas & Leachate water”Ecotech walls & aeration system
Paper and pulp
QUESTIONS?QUESTIONS?