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reject water Applications

  • 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).

  • Electrodeionization

    The Fractional Electrodeionization (FEDI) process is an advancement of conventional EDI. The patented dual voltage process allows for a higher flexibility and tolerance to inlet water conditions, thus lowering the risk of scaling, and improving the plant& design economics and reliability. By incorporating a two-stage separation process with different voltages the FEDI process is able to: Achieve a higher hardness tolerance by having distinctly different concentrate chambers with separate reject streams and thus reducing the potential of hardness scaling. Optimize power consumption by using higher electrical current only where required. Ensure the best water quality, continuously consistently by removing a major part of the deionization load in the hardness removal zone, while residual ionic impurities are effectively removed in the silica removal zone;, which stays in a polishing mode.

    By QUA Group LLC based in Canonsburg, PENNSYLVANIA (USA).

  • FEDI - Electrodeionization

    The Fractional Electrodeionization (FEDI) process is an advancement of conventional EDI. The patented dual voltage process allows for a higher flexibility and tolerance to inlet water conditions, thus lowering the risk of scaling, and improving the plant’s design economics and reliability. By incorporating a two-stage separation process with different voltages the FEDI® process is able to: Achieve a higher hardness tolerance by having distinctly different concentrate chambers with separate reject streams and thus reducing the potential of hardness scaling. Optimize power consumption by using higher electrical current only where required. Ensure the best water quality, continuously & consistently by removing a major part of the deionization load in the ‘hardness removal zone’, while residual ionic impurities are effectively removed in the ‘silica removal zone’, which stays in a polishing mode.

    By QUA Group LLC based in Canonsburg, PENNSYLVANIA (USA).

  • Wilsa ElectroWaveTM Conditioning - Non-chemical water conditioning, break emulsions, enhance recovery

    Hudson Industries (a licensed partner) is now offering the patented Wilsa ElectroWaveTM Conditioner (EWC) for non-chemical water conditioning that provides enhanced oil recovery up to 99.999% with the power to break difficult emulsions. The Wilsa Effect is targeted at polar fluids, such as water. The Wilsa EWC directly targets the surface and interfacial tension of water molecules which breaks emulsions and forces the water to reject foreign matter such as oil and suspended solids. Furthermore viscosity is greatly reduced which allows the now coalesced oil to exit the water column with less friction, thus Stokes Law is fundamentally enhanced and retention time is greatly reduced. Combine the Wilsa EWC with your existing separation equipment or pair it with Hudson Coalescing Separator for maximum oil recovery/ removal. Contact us today for more information about Hudson Separators and Wilsa ElectroWaveTM Conditioning.

    By Hudson Industries based in Vienna, OHIO (USA).

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