Organo TOVEKO® filters are manufactured in various grades
of stainless and duplex steels in a range of sizes from 0.75
- 12 sq m of filter area. The standard materials of construction
are 304 and 316 grades of stainless steel. For high chloride-containing
feed streams, Organo can also manufacture in 2205 or 254SMO
grade duplex alloys.
This means that, when necessary, the filter can be operational
in only one or two days after arrival on-site.
||Each filter is fully pre-assembled and tested
in Organo's factory prior to delivery and comes to site
complete with its own control system.
It requires just a flat concrete slab to sit on, power
and compressed air supplies and pipework connections to
be completed, before it can be filled and commissioned.
The TOVEKO® continuous, gravity fed sand filter is unique
- It is only 2.3m high. This means -
- You can often gravity flow into it, avoiding pumping systems
- Its low profile is beneficial for sensitive sites
- Wash water requirement is typically only 2-5% of feed
flow - lower than its rivals
- The unique sand washer is highly efficient - making it
particularly suitable for removal of sticky/stubborn solids,
such as oil
- Each filter has an automatic head loss detection system,
which controls start, stop and, most importantly, the rate
of sand washing. This makes it largely self compensating
when presented with short term peak loads
- Each filter has an inlet launder along its entire length
- enabling it to cope with large fluctuations in feed flow
and pressure drop across the sand bed.
Recent orders have been received from two Irish Companies
for more TOVEKO continuous gravity sand filters for small
tertiary filtration applications.
The first is for a model S-150 filter, destined for a country
golf resort in County Wexford . This has a filtration area
of 1.5m² and will easily handle a flow rate of 15m³ per hour
- making it suitable for a population equivalent of approximately
The filter will be used to achieve a discharge quality of
5mg/l suspended solids - a quality that has been proven to
be achievable in previous contracts in Ireland, where this
relatively stringent requirement is becoming increasingly
The second order is for a model S-25 ('Mini') filter.
This variant of the standard TOVEKO filter design was
developed with the small user specifically in mind.
With a filtration surface area of 0.25m² it can easily
handle flows up to 2.5m³/h - making it ideal for small
packaged plants designed for population equivalents
up to approximately 300.
Each TOVEKO filter is pre-assembled complete with its
own control system and tested prior to delivery to site.
This makes site installation quick, simple and cheap.
The low height of TOVEKO filters makes them ideal for
environmentally sensitive sites where tall structures
are not permitted and also permits gravity flow where
systems are installed above ground.
Organo is currently looking for additional distributors for
TOVEKO filters in a number of countries - for further details
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