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Evaporators

Less Waste – More Money!

| Editor: Dominik Stephan

Veolia’s evaporators helps cosmetics and pharmaceuticals manufacturers to save money on waste.
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Veolia’s evaporators helps cosmetics and pharmaceuticals manufacturers to save money on waste. (Picture: Veolia/A.Dell'Agnola)

A new range of evaporators helps cosmetics and pharmaceuticals manufacturers to save money on waste: Veolia Water Technologies UK has introduced an extended range of the highly successful Evaled evaporators for smaller cosmetics and pharmaceutical manufacturing facilities that currently dispose of liquid wastes offsite.

The Evaled PC series of heat pump vacuum evaporators reduces wastewater disposal costs and offers opportunities for recovering raw materials including APIs, disinfectants, proteins and glycols as well as recycling water. Offsite disposal of wastes containing APIs and similar ingredients is expensive, often involving incineration or complex chemical treatment. Evaporation using Evaled PC evaporators is a sustainable and environmentally friendly alternative that can reduce the waste volume by up to 90 % giving a significant cost saving.

As Evaled PC evaporators operate under vacuum, water boils in the range of 30-40°C. The resulting low temperature evaporation means that it is possible to recover heat sensitive materials from wastes and, with a typical electrical consumption of only 0.15 kWh per litre of distillate, the carbon footprint is small. The Evaled PC range is available in two technological options. The PC F Series uses forced circulation for the highest distillate quality with minimum capital and operating costs for capacities up to 24,000 litres per day.

The PC R Series, with capacities up to 2,000 litres per day, uses scraped film technology to achieve high concentrations, minimising the volume of waste for disposal, even with high viscosity or foaming wastes. Typical of the applications for evaporation is the recovery of a free base alkaloid API. The manufacturing facility treats the waste alkaloid solution in an Evaled PC R500 to produce 500 litres per day of aqueous condensate that can be discharged or recycled, and a concentrated stream containing the alkaloid that is then purified for recycling as a pharmaceutical grade API. IFAT: A3.151/250

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