SAF – Submerged Aerated Filters

SAF (Submerged Aerated Filters) is BioKubes preferred technology, especially if the requirement is for reduction of organic material in the water (BOD and COD reduction) or if the requirement is for reduction of Ammonium NH4).
It is not the preferred technology is the requirement is for total nitrogen removal.

SAF is characterized by

  • Very stable cleaning process with low requirement for maintenance
  • Tolerant towards fluctuations in the incoming water (especially in connection with BioKube’s patented technology)
  • Low energy consumption
  • Very efficient, giving smaller footprint.
Submerged Aerated filters
BioKube basic technology
No smell from BioKube wastewater system. The sewage treatment plant is installed below the floor of the public open-air restaurant at a town hall in Bangkok
No smell from a BioKube

Restaurant on top of a wastewater system?
Since there is no smell from a BioKube system due to the total elimination of hydrogen sulfide, the BioKube wastewater system at a town hall, is used as the floor of the public open-air restaurant.

Jupiter one-step system.

With standard household wastewater containing BOD 400 mg/l, a BioKube one chamber system will treat the water to BOD < 25 mg/l.

The one chamber system consists of:

  • Preceding septic tank to retain solids
  • Buffer tank to allow for timed inflow of the water to be treated (BioKube patent)
  • Aerated cone with the bacteria living on the submerged aerated filters.
  • Settling zone to remove suspended solids
  • Recirculation from the settling zone to the septic tank. This sends all solids to the septic tank. It eliminates hydrogen sulfide (H2S) – and thereby smell – from the system, because aerated water containing oxygen is sent back to the septic tank.

Jupiter Two-Step System

In a two-step system, the second step will reduce BOD outgoing to below 10 mg/l
This compares to the 25 mg/l incoming from the first treatment step.

Jupiter Three step system

In a 3-step system, the third step will perform nitrification.

In this process Ammonia (NH4) is reduced to below 5 mg/l.

The continued recirculation to the from the third chamber settling zone will also by denitrification reduce total nitrogen by ca 50 %.

Jupiter Three-Step System

The system is installed above ground at Kuala Lumpur Technical University. You can see the steel bars around each of the Jupiter units to take the pressure from the water in the system. If the system was installed inground, these steel bars would not have been necessary.

You can see that each of the three identical steps contains a aerated treatment zone followed by a settling tank to remove suspended solids.

Jupiter Three-Step System

The system is under installation at a campsite in Denmark.

You can see the three Jupiter units and since the system is being installed inground, there is no need to strengthen the system with steel bars.

You can also see the green lid of the preceding septic tank.

See video of aerated zone in a BioKube Jupiter system
Why choose BioKube?
N

SAF technology has a stable cleaning process

SAF technology is very stable and is very good at handling fluctuations in the incoming water

N

SAF systems are easy to maintain

SAF systems can based on BioKubes service manuals and Service APP be maintained by generally trained service technicians

Go to BioKube technical library

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Update
2019-06-10 / PT

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Get in touch with BioKube

E-mail: mail@biokube.dk

Phone:
CEO:      (+45) 5598 9803
CTO:      (+45) 5598 9813
Owner: (+45) 5598 9808