Evaled - Model RV N Series - Evaporators for Industrial Wastewater Treatment
From Evaporators - Evaled - RV / MVR
EVALED evaporators in the RV N series are specifically designed for the treatment of oil-containing wastewater and are the ideal product line for the treatment of oily emulsions typical of the mechanical engineering and surface treatment industries. Evaporators with mechanical vapour recompression and natural circulation.
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Product Details
Specific power consumption: 47 kWh/ton Compact unit
The high energy efficiency coupled with the reliability of the mechanical vapour recompression (MVR) technology have helped the RV N line to become an optimal solution over time also for the treatment of industrial effluents from other sectors such as pharmaceuticals and cosmetics.
Generally speaking, RV N evaporators, thanks to their natural circulation, can be used to treat non-aggressive waste water containing oils and heavy metals.
6 tonnes/day (1900 tonnes/year) of distillate produced
The RV N evaporators have a capacity of 6 tonnes/day of distillate produced and are mainly proposed for minimising the volume of waste to be disposed of and recovering water, thus reducing disposal costs, saving on water supply costs, and complying with environmental regulations and discharge limits.
The right choice when:
- non-aggressive liquids must be handled
- oily wastes are to be treated
Operational Advantages
- Reduced energy consumption
- High quality of the distillate obtained
- Batch work mode
- Automated unit
- Remote control
- Ease of use
- Tailor-made Service Packages
- Rental possibilities
All EVALED evaporators are standard and modular, frame-mounted automated units to minimise the space required, require minimal labour and maintenance, and are ready to use (plug & play).
Models & Capacities
MODEL: MAX DISTILLATE PRODUCED
- RV N 6: 6 tonnes/day
How it Works
How EVALED® evaporators work
A multi-effect evaporator uses the steam produced inside the first boiler to produce new steam in the second, at a lower temperature and pressure. This steam recycling can be cascaded (multiple effect) depending on the temperature of the first fluid heating step and the fluid cooling step during the last process. Although it is possible to go beyond two effects, above this number the investment cost becomes considerable and a solution involving a mechanical recompression evaporator becomes more efficient.
HOW DOES A MECHANICAL VAPOR RECOMPRESSION EVAPORATOR WORK?
A mechanical vapor recompression evaporator or MVR utilizes the vapor generated inside the boiling chamber. This is compressed adiabatically (energy consumption depends on the compressor) with very high efficiency, the temperature rises and condensation takes place in the main heat exchanger, which transfers latent heat to the fluid to be evaporated. Furthermore, an auxiliary heat recovery system further optimizes the already extremely low energy consumption (approximately 35-40Wh/liter water, 25 times less than atmospheric evaporation).
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