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reverse osmosis desalination technology Applications

  • Desalination -Membrane Seawater Reverse Osmosis (SWRO)

    Aquatech is committed to being the leader in membrane technology with a focus on breaking barriers related to pretreatment, energy recovery, and overall water recovery. We are progressively making strides in optimizing the lifecycle cost and increasing the reliability of SWRO equipment installations. Our approach is to take complete responsibility of SWRO plant installations to ensure complete design integration….. from intake to outfall, Aquatech can take single point responsibility. • More than a decade of experience with SWRO desalination installations on four continents • Capability to design and execute integrated desalination projects on an EPC basis • Potable system design for Boron removal as per global standards • In-House programming capabilities lower overall start-up costs, improve reliability and ensure better plant availability • A dedicated Membrane Desalination Center of Excellence focused on the development of cutting edge solutions for large SWRO plants

    By Aquatech International Corporation based in Canonsburg, PENNSYLVANIA (USA).

  • Using evaporation to dewater Reverse Osmosis reject waste streams

    Reverse Osmosis (RO) technology has been used for years in various industries to separate dissolved solids from water by forcing the water through a semi-permeable membrane. RO is also commonly used to purify drinking water and desalinate seawater to yield potable water. The water and other molecules with lower molecular weight (specific weight of molecules allowed to pass through is dependent on the selected membrane) pass through the micropores in the membrane, yielding a purified water stream called the permeate. Larger molecules are retained by the membrane as well as a portion of the water that does not pass through the membrane. This concentrated stream is called the concentrate or RO reject.

    By ENCON Evaporators based in Hooksett, NEW HAMPSHIRE (USA).

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    Water treatment solutions for the desalination

    Our Filters are Highly Resistant to Corrosivity. Reverse osmosis is one of the most widely applied desalination technologies. Previous to the process of separtion of water from salt and minerals, seawater or brackish wter requires the elimination of large size particles in order to assure a good performance of reverse osmosis membranes. Our sand filters facilitate the removal of these suspended solids to avoid membrane fouling. In addition, after reverse osmosis process, water has to be remineralized through calcite filters to increase the alcalinity and hardness of desalted water and reduce its corrosivity to fit for human consumption, domestic use, industrial or irrigation.

    By Poltank S.A.U. based in Sant Jaume de Llierca, SPAIN.

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    UV fluorescence technology for raw water intake monitoring industry

    The Situation:

    Hydrocarbons in municipal water supplies,  including fresh water and desalination systems, are commonly limited to less than 1 part per million. Surface water from rivers, lakes, or the sea with marine traffic, nearby pipelines, or regular flooding can be contaminated by hydrocarbons. Freshwater treatment systems can be damaged by hydrocarbons or allow them to pass through undetected. Desalination systems using reverse osmosis (RO) membranes can be irreversibly damaged by the presence of hydrocarbons. Continuous monitoring of water source intakes can prevent system contamination and subsequent damage.  Accurate, low maintenance monitoring systems such as the TD-4100 XD and XDC have been protecting water intakes worldwide for over 20 years.

    By Turner Designs Hydrocarbon Instruments, Inc. based in Fresno, CALIFORNIA (USA).

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