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Hydranautics Membrane Elements
HYDRAcap is used to treat surface water, ground water, seawater, and waste water as either primary treatment or as pre-treatment to reverse osmosis (RO) and Nano filtration (NF). Compared to conventional pretreatment, HYDRAcap allows higher fluxes for RO and NF systems while maintaining longer intervals between cleanings. In some cases it replaces conventional pretreatment for portable applications, ground water recharging and water recycling.

HYDRAcap enhances RO and NF element system design and operating conditions when used as a pre-treatment step for desalination, treatment of surface waters and municipal and industrial effluents.

  • Low fouling hydrophilic polyethersulfone membrane
  • Tolerant to chlorine, peroxide and other oxidants
  • Resistant to pH extremes
  • Exhibits 5 log (99.999%) removal for bacteria, giardia, cryptosporidium and 4 log removal for viruses, and reduces turbidity to <0.06 NTU
  • TOC Reduction: 5 – 65%
  • MWCO, nominal: 150,000 Daltons
  • Operating flexibility, direct or cross-flow filtration

The 0.8 mm HYDRAcap is used for surface water applications containing lower turbidities.

The 1.2 mm HYDRAcapLD offers a 50% larger capillary diameter for a wider range of high fouling applications.

Model No.

Filtrate Flow Rate

Nominal Membrane Area

Number of Fibers

Fiber Dimensions

gpm

m³/h

ID

OD

HYDRAcap40

7 – 19

1.6 – 4.4

320 ft²

13,200

0.031” (0.8 mm)

0.051” (1.3 mm)

HYDRAcap40-LD

5 – 12.3

1.1 – 2.8

208 ft²

5,600

0.047” (1.2 mm)

0.080” (2.0 mm)

HYDRAcap60

11 – 30

2.7 – 6.8

500 ft²

13,200

0.031” (0.8 mm)

0.051” (1.3 mm)

HYDRAcap60-LD

7.8 – 19

1.8 – 4.3

323 ft²

5,600

0.047” (1.2 mm)

0.080” (2.0 mm)

Please see product specification sheets for the test conditions under which the stated performance are based, and exact membrane element dimensions.

Hydranautics HYDRAcap Series Ultrafiltration Membranes

  • Enhanced Membrane Chemistry for Increased Chemical Resistance
  • Innovative Spacer Design to Minimize Trapping of Small Colloidal Particles
  • HYDRAblock Technology Providing Biostatic Properties to Minimize Proliferation of Biological Fouling
  • Proprietary Vented Seal Carrier to Eliminate Pressure-Shock Damage During System Startup
  • Surface Water
  • Ground Water
  • Seawater
  • Wastewater
  • Pretreatment to NF or RO