Packing material

Details Packing material Packing material

1995-07-31

1997-12-02

Choi, Kathleen

Stock material or miscellaneous articles

Hollow or container type article

428 357, 261 94, 261DIG72, B01J 1932

Patent

active

056933835

ABSTRACT:
Packing material for biological waste water treatment, and process for the production of such packing material. Packing material made of tube-shaped base members with net structured outer surface are provided with at least one water-impermeable surface-increasing element arranged on the outer surface of each base member and directly connected thereto, for increasing the specific growing surface for biofilm.

REFERENCES:
patent: 4668442 (1987-05-01), Lang
patent: 5240597 (1993-08-01), Ueda

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