Evaporation Units

Industrial effluent is an ever-growing concern as it contributes to water pollution which is harmful to the environment.

What Are Evaporation Units​?

An Evaporation Unit, also known as an EVA MVR Unit, is a specialized wastewater treatment system developed by Water Solutions and Innovations (WSI). It is designed to efficiently treat industrial effluent while offering cost-effective and sustainable solutions.

The Evaporation Unit utilizes mechanical vapor compression technology and vacuum-induced evaporation to separate the water component from liquid waste. By subjecting the effluent to these processes, the wastewater reaches its boiling point in a shorter time, allowing the water to vaporize and separate from the waste.

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How we are use Evaporation Units
to change the world

Although there are many methods used to treat wastewater, often, these methods are costly and inadequate. However, we at Water Solutions and Innovations (PTY) LTD have created an effective method for treating industrial effluent at a lower operational cost from as little as 0.09 Kilowatts per litre. Our EVA MVR Units (Evaporation Units) are proudly manufactured locally and has the capacity to treat from 1540m3 to 3850m3 per annum. By using this technology, effluent can be reduced by up to 98%.

The water component is extracted from the liquid waste and is then treated via mechanical vapour compression technology, together with vacuum-induced evaporation. This allows the wastewater to reach boiling point in a shorter time, thereby allowing the water component to separate from the waste in the form of vapour. Thereafter, this water can be recycled and reused for plant operations.

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Evaporation Unit
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Facts Sheet

  • Positive environmental impact.
  • Effective saving on water-waste disposal cost.
  • Minor maintencance required (15 days per year).
  • PLC for onsite/offsite monitoring.
  • Fully automated evaporator and can operate up to 22hrs/day


Optional extras included: a per-oil skimmer; a pH correction option to neutralize incoming waste-protection and extending equipment life; a post-skimmer which removes all floating organics in the distillate and an auto-cleaning program that automatically carries out a chemical flush to reduce maintenance.

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