Our range of pre-designed, standardized and competitive vapour recovery units encompasses more than 35 years of experience and a record covering more than 320 VRUs installed worldwide. Each recovery unit supplied is specifically selected, utilizing detailed knowledge about your terminals’ requirements. We will always ensure that the most appropriate design is selected for each unit.We follow our products’ cycle of life to provide the best possible service and maintenance based on our global experience. With the largest services team in Europe, we have extensive experience in providing commissioning and start-ups, troubleshooting, capacity tests and system revamps.
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Our VRU Technology
In Cool Sorption, we base our design on our many years of experience in the business. Due to this, you can be sure that when you buy a Cool Sorption VRU, you buy a quality unit that will perform as promised and with a long lifetime and high availability. If you want to learn more about our process or about how we ensure the high quality of our units, you can read more about our technology below. You can also read more about what unique design features we include as standard in our units to ensure high quality and lifetime of your purchase
The CVA Process
Most of our units are based on the Carbon Vacuum Adsorption (CVA) process. The main components of the process is two or three activated carbon beds, a vacuum pump and an absorber tower.
Are you wondering exactly how our CVA (Carbon Vacuum-regenerated Adsorption) process works? Our process flow diagram below gives a simple overview of the process!
CVA PFD
Activated Carbon
The heart of the CVA process is the adsorption of hydrocarbons on activated carbon. In order to ensure high efficiency and long lifetime of the activated carbon, type, quality and careful design of the process using the activated carbon is important. We have published an article about this in Tank Storage Magazine
Vacuum Pump Technology
A very important component in our CVA process is the vacuum pump, which is used to clean the activated carbon filters. In Cool Sorption, our standard vacuum pump is the rotary vane pump due to price, energy efficiency and robustness. Learn more about why we prefer this pump.
Studies
Specifying and sizing vapour recovery systems can be very complex. A sound, basic set of data and assumptions are crucial for the optimal design of a vapour recovery unit. Factors such as vapour growth, vapour composition, pollutants (i.e. H2S), simultaneous factors for loading rates, absorbent composition, emission points, safety, plot size and many other issues are crucial to define correctly from the beginning. Cool Sorption has 35 years of experience and an enormous knowledge base to draw on. Starting with a study by Cool Sorption is often a very good investment.
Brownfield Services
Several existing vapour recovery units are in a stage where their performance is no longer optimal. Regardless of the original manufacture, Cool Sorption offers to perform a detailed review of an existing unit and submit a report with recommendations for the installation. This may comprise additional equipment, replacement of carbon, upgrade of control system and other small or large changes in the process.
As a result of the strong service and after-sales commitment, the latest data show that the overall average availability of a Cool Sorption vapour recovery unit is above 98%.
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