Nature appreciates - no environmental impact.
- smart graywater cleaner -
Six-step cleaning process:
1) precipitation treatment - pre-treatment
2) fat separation - pretreatment
3) microbiological purification - bioprocess
4) aeration - bioprocess
5) water recycling - bioprocess
6) effluent filtration - after - treatment
Enhanced natural method
Pretreatment
In the pre-treatment (tank 1), solids and
grease are separated from the wastewater
entering the treatment plant by gravity.
The bioprocess begins under anaerobic
(anaerobic) conditions
Bioprocess
The bioprocess is based on the efficient
biofiltration of gray wastewater. The
microbes are in the biofilter and in the
water which is circulated by an air lift
pump (no moving parts) under aerobic
(oxygen) conditions through the filter.
The bioprocess is highly resistant to load
fluctuations and reacts quickly to changes
in water volume and load.
Organic loads and nutrients are broken
down by biological microbial activity
(biofilm).
Microbial activity takes place in the filter
elements. There are three different
densities of elements (290, 350, 450 m2 /
m3). They make the biofiltration (biofilm)
process, which is common in nature, more
efficient in a small space. The microbes in
the elements remove organic matter,
nutrients biologically. Thanks to the large
surface area of the elements and good air
circulation, cleaning is very efficient.
The RAITA HS treatment plant works well
in areas with load fluctuations, the
enhanced filter reacts quickly to changes
in load.
Purified water can be discharged into a
ditch, rock pit or filtered into the ground.
Cleaning performance
The cleaning performance and technical
properties comply with EU standards - see
the RAITA HS Declaration of Conformity
(“declaration of conformity” use and
installation instructions in the link)
regarding cleaning performance and
technical features of the device. The
cleaning efficiency of the HS treatment
plant has been tested, see link (HS Bio
cleaning performance) .
Maintenance
The microbial cleaning filter element is
lifted and cleaned if necessary (once
every 3-4 years) by brushing or washing.
The post-filtration element is cleaned if
necessary (for example during sludge
emptying).
The waste to be cleaned from the
elements is composted or delivered to
waste disposal.
The sludge from the settling well is
removed once a year with a SAV trolley or
tank truck. The rubber diaphragms of the
air pump are replaced every 4-5 years.
Operating costs
Very low operating costs, filters are
replaced every 10 years, electricity
consumption ~ 60 w / m3 water cleaned.
Bio HS's process utilizes
natural bio-cleaning