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8" diameter Nanofiltration Membranes are typically used in softening or TOC reduction in municipal drinking water plants.
FilmTec NF270-400/34i is ideal For utility managers and operators dealing with surface and groundwater and seeking a technology that removes a high percentage of total organic carbon (TOC) and trihalomethane (THM) precursors while having a medium to high salt passage and medium hardness passage. FilmTec NF270-400/34i Product Specifications: 400 square feet of active membrane area34 mil feed spacer For better resistance to particulate and biological fouling Widest pH cleaning range (1-12) and chemical tolerance Permeate flow of 12,500GPD and stabilized MgSO4 rejection of greater than 97% at standard test conditions Test Conditions: 2000PPM MgSO470PSI feed pressure77 F Temperature15% recovery Pricing is listed For membrane quantities up to 12. For pricing on quantities larger than 12 elements, please contact customerservice@evoqua. com to get a quote from a local salesperson.
FilmTec NF90-400/34i is ideal For operators looking For a nanofiltration element that delivers high quality permeate water while removing specific contaminants such as salts, nitrates, iron and organic compounds. FilmTec NF90-400/34i Product Specifications: 400 square feet of active membrane area34 mil feed spacer For better resistance to particulate and biological fouling Widest pH cleaning range (1-13) and chemical tolerance Permeate flow of 10,000GPD and stabilized MgSO4 rejection of greater than 97% at standard test conditions Test Conditions: 2000PPM MgSO470PSI feed pressure77 F Temperature15% recovery Replaces FilmTec NF90-400. Pricing is listed For membrane quantities up to 12. For pricing on quantities larger than 12 elements, please contact customerservice@evoqua. com to get a quote from a local salesperson.
FilmTec NF270-400/34i is ideal For utility managers and operators dealing with surface and groundwater and seeking a technology that removes a high percentage of total organic carbon (TOC) and trihalomethane (THM) precursors while having a medium to high salt passage and medium hardness passage. FilmTec NF270-400/34i Product Specifications: 400 square feet of active membrane area34 mil feed spacer For better resistance to particulate and biological fouling Widest pH cleaning range (1-12) and chemical tolerance Permeate flow of 12,500GPD and stabilized MgSO4 rejection of greater than 97% at standard test conditions Test Conditions: 2000PPM MgSO470PSI feed pressure77 F Temperature15% recovery Pricing is listed For membrane quantities up to 12. For pricing on quantities larger than 12 elements, please contact customerservice@evoqua. com to get a quote from a local salesperson.
Hydranautics ESNA (Energy Saving Nanofiltration) elements provide 50% - 91% salt rejection with ultra-low operating pressures (below 100psi), and are ideal For softening applications and the removal of pesticides, bacteria, or viruses. Compared to conventional pretreatment, Hydranautics combine benefits of high recovery and low footprint requirement due to its optimized membrane area and novel cleaning regimes. Pricing is listed For membrane quantities up to 12. For pricing on quantities larger than 12 elements, please contact customerservice@evoqua. com to get a quote from a local salesperson.
Hydranautics ESNA (Energy Saving Nanofiltration) elements provide 50% - 91% salt rejection with ultra-low operating pressures (below 100psi), and are ideal For softening applications and the removal of pesticides, bacteria, or viruses. Compared to conventional pretreatment, Hydranautics combine benefits of high recovery and low footprint requirement due to its optimized membrane area and novel cleaning regimes. ESNA1-LF-LD membranes feature Hydranautics LD Technology - high performance RO technology that helps reduce fouling from colloidal particles and biological growth. LD Technology uses proprietary feed spacers to reduce bio-growth (NSF 61 approved For drinking water). This innovative feed spacer design prevents trapping of small colloidal particles and improves the effectiveness of cleanings. Pricing is listed For membrane quantities up to 12. For pricing on quantities larger than 12 elements, please contact customerservice@evoqua. com to get a quote from a local salesperson.
The D-Series family of proprietary thin-film nanofiltration membrane elements is characterized by an approximate molecular weight cut-off of 150-300 Dalton For uncharged organic molecules. Divalent and multivalent anions are preferentially rejected by the membrane while monovalent ion rejection is dependent upon feed concentration and composition. Since monovalent ions pass through the membrane, they do not contribute to the osmotic pressure, thus enabling D-Series nanofiltration membrane systems to operate at feed pressures below those of RO systems.
The D-Series family of proprietary thin-film nanofiltration membrane elements is characterized by an approximate molecular weight cut-off of 150-300 Dalton For uncharged organic molecules.
