Product name Toveko
Applications Cooling water
Feedwater
Potable water
Wastewater / effluent
Type Gravity sand filters
Flow type Continuous flow
Filtration rate 180-4320m3 per 24 hours
 
 
 

Toveko is a gravity-fed, self-cleaning sand filter that operates continuously as long as there is a flow.

The filters are manufactured in stainless and duplex steels, making them suitable for long-term operation with sewage and industrial wastewater, and in highly corrosive environments, including sea water.

  • Counter-current, gravity-fed filters
  • Continuous cleaning of sand bed
  • Low 2.3m height enables gravity flow into the filter
  • Able to handle sticky solids and oil that block most other filters
  • Automatic head-loss detection system allows handling of fluctuating loads and operation at remote, un-manned sites
  • Manufactured in stainless and duplex steels

Applications

Toveko sand filters are suitable for many applications, including:

  • tertiary filtration of sewage and industrial wastewater
  • river water treatment
  • potable water treatment
  • process / cooling water recycling
  • removal of oil at docks, harbours, factories and refineries

Operation

Water flows in via a full-height launder running the length of the filter, entering the sand bed at a low level, and flowing upwards to the overflow launder.

The filtration process uses the entire sand bed. Depending on filter size, one or more airlift pumps remove dirty sand from the base of the filter and deposit it into high-efficiency washers.

Filters have an automatic head-loss detection system, used to automatically start and stop filter operation and control the rate of sand washing according to the incoming solids load.

Material

Stainless steel 304 grade (1.4301) - as standard
Stainless steel 316 grade (1.4401) - used for high chloride concentrations
Duplex alloys - used for even higher concentrations (for example sea water)


Toveko is a gravity-fed, self-cleaning sand filter that operates continuously as long as there is a flow.

The filters are manufactured in stainless and duplex steels, making them suitable for long-term operation with sewage and industrial wastewater, and in highly corrosive environments, including sea water.

  • Counter-current, gravity-fed filters
  • Continuous cleaning of sand bed
  • Low 2.3m height enables gravity flow into the filter
  • Able to handle sticky solids and oil that block most other filters
  • Automatic head-loss detection system allows handling of fluctuating loads and operation at remote, un-manned sites
  • Manufactured in stainless and duplex steels

Applications

Toveko sand filters are suitable for many applications, including:

  • tertiary filtration of sewage and industrial wastewater
  • river water treatment
  • potable water treatment
  • process / cooling water recycling
  • removal of oil at docks, harbours, factories and refineries

Operation

Water flows in via a full-height launder running the length of the filter, entering the sand bed at a low level, and flowing upwards to the overflow launder.

The filtration process uses the entire sand bed. Depending on filter size, one or more airlift pumps remove dirty sand from the base of the filter and deposit it into high-efficiency washers.

Filters have an automatic head-loss detection system, used to automatically start and stop filter operation and control the rate of sand washing according to the incoming solids load.

Material

Stainless steel 304 grade (1.4301) - as standard
Stainless steel 316 grade (1.4401) - used for high chloride concentrations
Duplex alloys - used for even higher concentrations (for example sea water)


 
 
 
Downloads
  • Toveko continuous flow gravity-flow filters
    Toveko continuous flow gravity-flow filters
    6pp 895.02KB
    Download
  • Toveko Case History - Perstorp
    Toveko Case History - Perstorp
    1.1MB
    Download
  • Toveko Case History - Dong-San
    Toveko Case History - Dong-San
    1.11MB
    Download
  • Toveko Case History - Esso
    Toveko Case History - Esso
    1.33MB
    Download
  • Toveko Case History - Hickson & Welch Tertiary Filtration
    Toveko Case History - Hickson & Welch Tertiary Filtration
    1.36MB
    Download
 
 
 
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