Apparatus for biological treatment of water and waste, of the at

Details Apparatus for biological treatment of water and waste, of the at Apparatus for biological treatment of water and waste, of the at

1992-03-05

1993-11-16

Upton, Christopher

Liquid purification or separation

Processes

Treatment by living organism

210150, 210220, 210620, 2611221, 261123, C02F 306

Patent

active

052620514

ABSTRACT:
An apparatus for biological treatment of water and waste of the attached-growth type, constructed by disposing long fiber bundles formed by binding a large number of monofilaments, upward and downward in a zigzag formation in a vessel, fixing substantially the upper and lower angle portions thereof, and particularly incorporating supports for supporting the angle portions of the long fiber bundles disposed upward and downward in a zigzag formation, into a part of a frame assembled in advance together with frame members, the apparatus being capable of high-volume treatment, causing little clogging, lowering construction costs, and capable of stable long-term operation.

REFERENCES:
patent: 3231490 (1966-01-01), Fry
patent: 3700590 (1972-10-01), Burton
patent: 4088571 (1978-05-01), Helgesson
patent: 4231863 (1980-11-01), Sutphin
patent: 4416993 (1983-11-01), McKeown
patent: 4422930 (1983-12-01), Hatanaka
patent: 4886601 (1989-12-01), Iwatsuka et al.
patent: 5085766 (1992-02-01), Born
W. W. Eckenfelder, Jr. and D. J. O'Connor "Biological Waste Treatment" Theory and Practice of Aeration Manhattan College Civil Engineering Dept. (New York) 1962, pp. 76-120.

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