Every drop of water saved and every kilowatt-hour, which has not been consumed, represents a concrete step toward a more responsible future
Water, a vital and irreplaceable resource, lies at the heart of industrial processes that today must be reinvented with greater intelligence and efficiency. It is precisely in this context that our vacuum evaporator with a heat pump emerges as a cutting-edge technological solution—an instrument capable not only of reducing the volume of industrial wastewater but also of optimizing energy consumption and minimizing its environmental impact.
Through a technologically advanced approach, the vacuum evaporator with a heat pump transforms a problem into a resource, demonstrating that innovation and sustainability can move forward together, guided by scientific rigor and a future-oriented vision.
How does a vacuum evaporator work?
A vacuum evaporator operates on the principle of physical separation through evaporation, achieved by reducing the pressure inside the evaporation chamber. By lowering the pressure, the water contained in the wastewater can evaporate at significantly lower temperatures compared to atmospheric pressure, typically between 30°C and 40°C.
The process unfolds in three main phases:
- Concentration of the wastewater: the liquid is heated to this reduced boiling point, promoting the evaporation of water;
- Separation: the water vapor produced is separated from the solid or semi-solid substances which remain in the concentrate;
- Condensation: the vapor is then cooled and condensed into distilled water, which can be reused or easily disposed of.
This technique enables a substantial reduction in the volume of liquid waste, lowering disposal costs and, in some cases, allowing the recovery of valuable raw materials.
What changes with a Vacuum Evaporator with heat pump?
Thevacuum evaporator with heat pump introduces a significant innovation compared to traditional systems: it uses a heat pump to supply the thermal energy needed for the evaporation process.
The system operates using a closed refrigeration circuit, where the refrigerant fluid absorbs heat from a cold source (the wastewater to be treated) and transfers it to the evaporation chamber. This approach offers several advantages:
- A drastic reduction in thermal energy consumption compared to traditional evaporators powered by boilers or electric heaters;
- An increase in overall energy efficiency, with performance coefficients (COP) exceeding 3 or even 4;
- Achievement of a constant and optimized evaporation temperature, ideal for treating temperature-sensitive wastewater
Furthermore, heat pump technology ensures reduced operating costs and a shorter return on investment times, making the vacuum evaporator with a heat pump a particularly advantageous choice for many industrial applications.
Where can vacuum evaporators be used?
Vacuum evaporators are widely used across numerous industrial sectors, thanks to their ability to adapt to various types of wastewater and contaminant loads. The main application areas include:
- Metalworking and electroplating industries: treatment of oily emulsions, spent galvanic baths, and washing waters
- Chemical and pharmaceutical industries: management of concentrated solutions, residual solvents, and chemically contaminated water
- Food industry: treatment of process waters and liquid by-products from food processing;
- Textile industry: recovery and treatment of dyeing and washing waters;
- Waste management and leachate treatment: reduction of leachate volumes and increased efficiency in waste disposal processes.
The extraordinary versatility of vacuum evaporators, combined with the possibility of optimizing operating parameters, makes them ideal tools for any production environment requiring both environmental impact reduction and lower wastewater management costs.
C&G Evaporator guarantees certified vacuum evaporators
C&G Evaporator stands out in the environmental technology landscape by offering vacuum evaporators certified to the highest international standards. More than ten models, including those with heat pump technology, have obtained EPD (Environmental Product Declaration) certification, confirming independently verified and transparent environmental performance.
The certificazione EPD ensures that every stage of the evaporator’s lifecycle—from production and use to disposal—has been assessed using internationally recognized methodologies, providing customers with a reliable tool for making informed, sustainability-driven technological choices.
Choosing a C&G Evaporator vacuum evaporator means relying on solutions that not only improve water and waste management but also contribute to achieving ESG goals and reducing environmental impact—objectives that are now essential for any future-oriented enterprise.
