Liquid purification or separation – Recirculation – Serially connected distinct treating or storage units
Patent
1976-06-21
1978-05-30
Wolk, Morris O.
Liquid purification or separation
Recirculation
Serially connected distinct treating or storage units
210 4, 210197, B01D 2124, C02C 108, C02C 110
Patent
active
040922499
ABSTRACT:
Sewage treatment device comprises an enclosed housing having exterior walls and first and second interior walls forming first, second and third compartments within the housing. A first opening is provided in the first interior wall forming communication between the first and second compartments, and a second opening is provided in the second interior wall for providing communication between the second and third compartments. The openings are placed at a predetermined height so that the fluid will rise to the predetermined height and then overflow into the next adjacent compartment. A recirculating pump is located in the third compartment and recirculates fluid back into the second compartment where it is sprayed into the second compartment by means of spray heads, one of which is located above the fluid level and one of which is located below the fluid level. Vent means are provided in the housing for providing communication between the second compartment and the atmosphere so that oxygen is exposed to the fluid in the second compartment. A field pump within the third compartment pumps the fluid therein out of the third compartment to the exterior of the housing whenever fluid rises above the predetermined height within the third compartment.
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patent: 4002561 (1977-01-01), Traverse
Commanche Engineering Corp.
Turk Arnold
Wolk Morris O.
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