NISSHINBO

Bio Carrier for wastewater treatment

Bio Contact-N

Characteristic

  • Moldability

    • Produced from thermoplastic resin, shapes can be modified to meet various applications requirements.

  • High physical strength

    • Bio contact-N shows good performance, high elasticity and low strain
    compatison of compression tolerance
    compression
    degree    		 4.0mm
    0%    		 2.0mm
    50%    		 0.5mm
    87.5%    		 0.1mm
    97.5%    		 re-swelled
    Bio Contact-N
    PVA gel
    PEG gel break
    hardness of swollen gel
    hardness of swollen gel

  • High wearability

    High wearability

  • Easy handling

    Easy handling

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High bacteria affinity

  • Bio Contact-N provides a hydrophilic field for bacteria.

    Swelled Bio Cnotact-N surface has multi-pore structure of 5∼10×10-6m pore size.
    Bio Contact-N provides a hydrophilic field for bacteria.

  • Denitrification by Bio Contact-N

    By installing Bio Contact-N to your denitrification tank, performance can be improved.
    Denitrification by Bio Contact-N

    laboratory scale
    wastewater influent
    [L/day]    		 tank volume
    [L]    		 amount of
    carrier loaded
    (filling ratio)    		 HRT
    [h]    		 NO3-N
    before
    [mg/L]    		 after
    [mg/L]
    artificial sewage
    (15°C)    		 7.5 0.625 0.063L
    (10%)    		 2 30 0.8
    pilot-plant scale
    wastewater influent
    [m3/day]    		 tank volume
    [m3]    		 amount of
    carrier loaded
    (filling ratio)    		 HRT
    [h]    		 NO3-N
    before
    [mg/L]    		 after
    [mg/L]
    artificial sewage 21.2 0.9 0.45m3
    (50%)    		 1 80 4

  • Nitrification

    High performance achieved within reduced tank volume.

    Sewage works plant

    Sewage works plant

    wastewater influent
    [m3/day]    		 tank volume
    [m3]    		 amount of
    carrier loaded
    (filling ratio)    		 HRT
    [h]    		 before after
    BOD
    [mg/L]    		 T-N
    [mg/L]    		 BOD
    [mg/L]    		 T-N
    [mg/L]
    sewage 21600 2700 270m3
    (10%)    		 3 200 35 20 10

  • Membrane cleaning

    Adequate of Bio Contact-N helps cleaning off sludge from membrane surface without damage.
    Membrane cleaning

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Specification example

item P-44T
material polyurethane (thermoplastic gel)
appearance pillar
size diameter : 4mm (swelled)
length : 4mm (swelled)

Please contact us for specification adjustments.
Information and data presented here are based in carefully conducted laboratory tests and are believed to be accurate. However, results cannot be guaranteed and it is suggested that customers confirm results in their own laboratory.

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Product & Service Info