KAUST SWRO Desalination Plant
Operation and Maintenance of KAUST SWRO Desalination Plant. The Plant provides KAUST university and KAUST community with High quality potable water. KAUST owns Seawater Reverse Osmosis Desalination plant.
KAUST SWRO plant produces, monitors, and tracks all potable water provided to all consumers. The water it produces is routinely tested to ensure the highest level of quality and safety.
Technologies and Solutions:
Spruce Media Filters
Multimedia filters are provided to filter prescreened raw seawater at the required quality and quantity for
the downstream Cartridge Filters and RO process.
Four (4) units of RO Pass-1 and four (4) units of RO Pass-2 are provided to produce a total net capacity of 40,000 m3/day. Sodium Bisulfite and Antiscalant are dosed for pre-treatment prior to feeding the filtered seawater to downstream RO pass 1 units. Caustic is dosed before BWRO (RO Pass-2) system to raise the pH of feed water to optimum level to maximize the rejection of Boron and achieving its levels in permeate. RO Pass 1 energy recovery turbine to recover waste energy from SWRO concentrate.
The blended permeate water from RO pass-1 and pass-2 is aggressive in nature. Therefore, remineralization is carried out by dosing lime solution along with carbonic acid solution in the blended RO permeate water line to condition (remineralize) the desalinated water prior to final distribution and use. Sodium hypochlorite is also dosed to maintain sanitary conditions in the potable water storage, transmission and distribution piping.
Potable (remineralized) water is then transferred to the downstream Product Water Storage Tanks for onward transmission to KAUST.