No extra water
The continuous inflow of wastewater feeds the biological process. There is no need to top up the tank with water.
Biological · no chemicals · no odour
Biological wastewater treatment without a sewer.
German technology built to European standards, adapted to the laws and standards of your country. For homes, gated communities, hotels, municipalities and businesses throughout South America. The plant arrives pre-assembled, is installed in a few days and treats wastewater where it is produced: biologically and without chemicals.
Decentralised sanitation
Your own infrastructure, independent of the network.
Where the sewer does not reach, a decentralised plant is not an emergency fix but the long-term answer: wastewater is treated where it is produced, biologically and to European standards.
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No chemicals
No chlorine, no additives, nothing you have to buy every so often. Clear water comes out of the outlet, even after fifteen years.
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No odour
The compressor keeps the bacteria supplied with oxygen, so no foul-smelling gases form. The plant sits in the garden without anyone noticing it by smell.
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Start now
You decide when your solution is ready, not the municipality's works schedule. It takes around two months from order to finished plant.
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On site
No collector sewer, no pumping station, no trucks. Wastewater is treated directly on the property and can seep away right there.
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Less sludge
Our biological treatment technology breaks down organic matter directly in the same tank, reducing the need for sludge removal for many years.
Applications
A solution for every project.
Offers valid until 31 December 2026
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Special offer €11,500
For 4 people that is €2,875 per person.
Property developers
Several houses on a single plant: rural plot subdivisions, cabin complexes and residential developments. More economical than many individual solutions.
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Special offer €54,000
Estimated net price. For 80 people that is €675 per person.
Municipalities
Decentralised treatment for rural municipalities and communities, from 50 to 3,000 population equivalents.
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Special offer €9,250
For 4 people that is €2,313 per person.
Private homes
Individual houses without a sewer connection: soil and groundwater stay protected.
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Special offer €15,700
For 16 people that is €981 per person.
Hotels and tourism
Lodges and hotels without a sewer. No odours, invisible in the background.
Treatment technology
Our treatment plants.
Three plants for the most common locations in South America: from cabin complexes and housing developments, through municipalities and hotels, to the individual home. Which one suits your location depends on the load, the electricity supply and the site conditions.
- Economical
PUMP
Special offer: €9,250
For small groups of homes, cabins and individual houses: from 4 to 28 people on a single plant.
- SBR process
- 4-28 PE
- Mid-range
STABI-KOM
Special offer: €11,500
The durable solution with no electronics inside the wastewater, low maintenance and with minimal sludge removal.
- SSB® process
- 4-50 PE
- Premium
ORKA
Special offer: approx. €54,000
Custom-sized for hotels, resorts and municipalities of up to three thousand population equivalents.
- SSB® process
- Up to 3,000 PE
Process
We develop the solution for your project together with you.
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Your project
Tell us where the project is, what you want to develop and for how many people. You do not need finished plans. We reply within two working days.
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Assessment and the right plant
Ektennsa and AQUATO study the capacity, the site and the sanitation situation, and propose the right plant: PUMP, STABI-KOM or ORKA.
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Technical development
With your professionals and AQUATO's technical documentation, the project is developed for the approvals. We support the planning from Berlin.
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Installation and operation
Your installer or a company in your region installs the plant according to AQUATO's instructions, in one to three days depending on size. After that, one maintenance visit a year.
Frequently asked questions
Answers to the most frequent questions.
A septic tank is a holding tank with minimal settling: the wastewater seeps into the ground untreated. A small biological plant treats the water inside the tank before it reaches the ground or a receiving watercourse. Treatment performance is over 90%.
A biological plant works aerobically: the bacteria receive oxygen from a compressor and break down the organic matter completely. No foul-smelling gases are produced. A septic tank works anaerobically, and that is where methane and hydrogen sulphide form. That is the difference in odour.
Biological processes with aeration need an electricity supply for the compressor. Consumption is low. For sites without grid access, there is a special option: the soil filter bed, which works without electricity. We decide which solution suits you best during the consultation.
The requirements depend on the region and the size of the plant. What matters are the regulations of the competent authority and local environmental standards. Together with you and your responsible professional, we determine which permits your project needs. You will find an overview for each country on our country pages.
For delivery we usually allow around two months: about one month of preparation and one month of transport. The site visit is carried out by your installer or a company in your region. The installation itself takes between one and three days depending on the size of the household: the biggest effort is the earthworks.
First step
Listen first, then recommend.
In the consultation meeting, we first understand your location before recommending a plant. Thirty to forty-five minutes, free of charge, no sales pressure. We reply within two working days.
or directly: WhatsApp · contacto@ektennsa.com