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Unused useful matter sewage treatment plant

Proven
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Issue

Unused useful matter sewage treatment plant

Sewagewater contains many nutrients that are not or not optimally used.

Waste water consists phosphate, which is a raw material for several applications. For example, phosphate can be used as a fertilizer for agriculture. Besides that, phosphate can accumulate at inconvenient spots in the waste water treatment plant.

Solution

Airprex technology

The Airprex technology is a process to recover phosphate in the form of struvite. The struvite installation is capable to produce 2.500 kilogram per day maximum. This causes a cost reduction of €400.000 per year.

Pros

  • The recovery of phosphate is a positive influence to the environment because less phosphate ore has to be produced. Phosphate is a finite raw material and essential for food production.
  • By recovering struvite it can not accumulate at inconvenient spots in the waste water treatment plant which causes a reduction in operational costs.

Characteristics

  1. Topic Water chain
  2. Development state 10: Proven in operational situation
  3. Setting type Urban area
  4. Water type Waste water, Effluent
  5. Project period 1-3 years