Liquid purification or separation – With alarm – indicator – register – recorder – signal or... – Responsive to fluid flow
Patent
1975-01-21
1977-02-15
Spear, Jr., Frank A.
Liquid purification or separation
With alarm, indicator, register, recorder, signal or...
Responsive to fluid flow
210 14, 210 17, 210 18, 210 20, 210 40, 210 63Z, 210151, 210195S, 210201, 210202, 210206, C02C 104
Patent
active
040081591
ABSTRACT:
A waste water treatment system for the renovation of waste water includes a four stage treatment for removal of gross solids, suspended, colloidal and dissolved organic matter, dissolved nitrogenous material, phosphates odor, color, coliform and residual solids.
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Culp et al.; "Advanced Wastewater Treatment"; Van Nostrand Co., N. Y. (1971) pp. 271-273.
Castel Benoit
Ontario Research Foundation
Spear, Jr. Frank A.
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