Liquid purification or separation – Processes – Treatment by living organism
Patent
1994-09-20
1996-02-20
Cintins, Ivars
Liquid purification or separation
Processes
Treatment by living organism
210607, 210613, 210625, 210631, 210759, 210903, 210906, C02F 330
Patent
active
054926246
ABSTRACT:
Processes for the treatment of organic waste are disclosed, including feeding the organic waste to an ATAD reactor and subjecting the organic waste to biological digestion in the ATAD reactor in order to produce a biomass and clear decant therein, oxidizing at least a portion of the biomass so as to produce an oxidized effluent therein, and returning the oxidized effluent to the ATAD reactor. Variations on these processes which are disclosed include the removal of nutrients from the clear decant, treating of the organic waste with a mixer prior to feeding it to the ATAD reactor, feeding the waste by a grinder upstream of the mixer, feeding the mixed material initially to an AAD vessel from which methane gas is removed, and then to the ATAD reactor, with or without nutrient removal, the use of solid separation for the effluent from the ATAD reactor, and other such variants.
REFERENCES:
patent: 4276174 (1981-06-01), Breider et al.
patent: 4915840 (1990-04-01), Rozich
patent: 5141646 (1992-08-01), Rozich
Cintins Ivars
Environmental Resources Management, Inc.
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