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AQUA Blue Savings and fresh developments

AQUA Blue Savings and fresh developments
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AQUA Blue Savings and fresh developments - 1

AQUA Blue Freshwater generator The AQUA Blue freshwater generator. The AQUA Blue freshwater generator The AQUA Blue freshwater generator has an optimized process that uses just half the seawater of other freshwater generators. This minimizes pipework and allows the installation of smaller seawater pumps, which reduces both installation costs and energy consumption. Application AQUA Blue uses vacuum distillation to convert seawater into high-quality fresh water for domestic and process utilization. By providing a constant supply of low-salinity water and continuously controlling the water quality, it eliminates the need for bunker water. The process is based on unique 3-in-1 plate technology, which enables desalination in a single plate pack with one type of titanium plate. In AQUA Blue, this pioneering technology is combined with a wide range of enhancements for easier installation and simpler operation. AQUA Blue is designed for start-and-forget operation in periodically unmanned engine rooms and other automated operations. It is suitable for installation on ships and rigs, as well as in remote onshore locations. Since the plate pack contains the process vacuum, AQUA Blue has no outer shell and is smaller than other freshwater generators. Its construction is robust, with duplex piping and titanium plates that resist corrosion and erosion. Little maintenance is required, and the plate pack slides open for easy access to the interior without an additional service area. Jacket water, hot water, steam injection or a Hot Water Loop can all be used as heating media.

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AQUA Blue Savings and fresh developments - 2

Basic equipment Additional equipment • Half the seawater flow. AQUA Blue requires only half the seawater needed by other freshwater generators, which means smaller seawater pumps can be used. The AQUA Blue freshwater generator consists of a single plate pack containing a flexible number of titanium plates. These plates are suspended within a frame, which comprises a carrying bar, frame plate and pressure plate. Evaporation, separation and condensation all occur within the same plate pack. • Combined cooling and ejector water pump with electric motor • Lower energy consumption and emissions....

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AQUA Blue Savings and fresh developments - 3

Operating principle AQUA Blue’s flow of feed water is taken from the flow of seawater coolant. Feed water enters the lower (evaporator) section of the plate pack, in which the plates are warmed by the heating medium. Here the water is evaporated at around 40-60°C in a vacuum of 85-95%, which is maintained by the brine/air ejector. The vapour produced rises between the plates into the middle (separator) section of the plate pack, where any droplets of entrained seawater are removed. Gravity causes these droplets to fall back into the brine sump at the bottom of the freshwater generator. Only...

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AQUA Blue Savings and fresh developments - 4

Operations • AQUA Blue is designed for intuitive operation and easy maintenance. If Alfa Laval recommendations are followed, only a few service inspections are needed.   • Connections for Cleaning-in-Place (CIP) are available.   • Standard spare part kits are available. • The installation manual provides detailed information regarding correct installation in electronic or printed format:   - System description - Installation instructions - Technical data and drawings • The operation manual provides detailed information regarding operation and maintenance in electronic or printed format:   -...

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