Shipboard blackwater physical/chemical treatment system

Liquid purification or separation – Flow – fluid pressure or material level – responsive – Diverse sensing means

Patent

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Details

Other Related Categories

210118, 210143, 2101951, 210199, 210254, C02B 138

Type

Patent

Status

active

Patent number

041972007

Description

ABSTRACT:
An automatic dual-mode shipboard wastewater treatment system employing ozone for disinfection of the primary effluent. Solids are removed and pumped, for example, to the ship's boiler or other equipment for incineration, while the liquid waste is pumped through a series of ozone reactors and then to a holding tank from which it is discharged overboard, after accumulating to a predetermined level. The system operates continuously by recirculating the effluent, during low flow periods, between a second holding tank and the ozone reactors.

REFERENCES:
patent: 3362697 (1968-05-01), Silva
patent: 3779909 (1973-12-01), Wisfield
patent: 3784008 (1974-01-01), Troglione
patent: 3856671 (1974-12-01), Lee et al.
patent: 4009104 (1977-02-01), Behrenot et al.
patent: 4040956 (1977-08-01), Selwitz
patent: 4053399 (1977-10-01), Donelly et al.
patent: 4072613 (1978-02-01), Alig

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